Add PID_FAN_SCALING option (#15585)
This commit is contained in:
haschtl
Scott Lahteine
parent
8ccfdaca02
commit
ff6518c0a8
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -38,6 +38,10 @@
|
||||
*
|
||||
* C[float] Kc term
|
||||
* L[int] LPQ length
|
||||
*
|
||||
* With PID_FAN_SCALING:
|
||||
*
|
||||
* F[float] Kf term
|
||||
*/
|
||||
void GcodeSuite::M301() {
|
||||
|
||||
@ -56,6 +60,10 @@ void GcodeSuite::M301() {
|
||||
NOLESS(thermalManager.lpq_len, 0);
|
||||
#endif
|
||||
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
if (parser.seen('F')) PID_PARAM(Kf, e) = parser.value_float();
|
||||
#endif
|
||||
|
||||
thermalManager.updatePID();
|
||||
SERIAL_ECHO_START();
|
||||
#if ENABLED(PID_PARAMS_PER_HOTEND)
|
||||
@ -65,9 +73,12 @@ void GcodeSuite::M301() {
|
||||
" i:", unscalePID_i(PID_PARAM(Ki, e)),
|
||||
" d:", unscalePID_d(PID_PARAM(Kd, e)));
|
||||
#if ENABLED(PID_EXTRUSION_SCALING)
|
||||
//Kc does not have scaling applied above, or in resetting defaults
|
||||
SERIAL_ECHOPAIR(" c:", PID_PARAM(Kc, e));
|
||||
#endif
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
SERIAL_ECHOPAIR(" f:", PID_PARAM(Kf, e));
|
||||
#endif
|
||||
|
||||
SERIAL_EOL();
|
||||
}
|
||||
else
|
||||
|
||||
@ -229,6 +229,8 @@
|
||||
#error "LCD_PIN_RESET is now LCD_RESET_PIN. Please update your pins definitions."
|
||||
#elif defined(EXTRUDER_0_AUTO_FAN_PIN) || defined(EXTRUDER_1_AUTO_FAN_PIN) || defined(EXTRUDER_2_AUTO_FAN_PIN) || defined(EXTRUDER_3_AUTO_FAN_PIN)
|
||||
#error "EXTRUDER_[0123]_AUTO_FAN_PIN is now E[0123]_AUTO_FAN_PIN. Please update your Configuration_adv.h."
|
||||
#elif defined(PID_FAN_SCALING) && FAN_COUNT <= 0
|
||||
#error "PID_FAN_SCALING needs at least one fan enabled."
|
||||
#elif defined(min_software_endstops) || defined(max_software_endstops)
|
||||
#error "(min|max)_software_endstops are now (MIN|MAX)_SOFTWARE_ENDSTOPS. Please update your configuration."
|
||||
#elif ENABLED(Z_PROBE_SLED) && defined(SLED_PIN)
|
||||
|
||||
@ -289,7 +289,7 @@ void menu_cancelobject();
|
||||
//
|
||||
|
||||
#if ENABLED(PID_EDIT_MENU)
|
||||
#define _PID_BASE_MENU_ITEMS(N) \
|
||||
#define __PID_BASE_MENU_ITEMS(N) \
|
||||
raw_Ki = unscalePID_i(PID_PARAM(Ki, N)); \
|
||||
raw_Kd = unscalePID_d(PID_PARAM(Kd, N)); \
|
||||
EDIT_ITEM_N(float52sign, N, MSG_PID_P_E, &PID_PARAM(Kp, N), 1, 9990); \
|
||||
@ -297,9 +297,17 @@ void menu_cancelobject();
|
||||
EDIT_ITEM_N(float52sign, N, MSG_PID_D_E, &raw_Kd, 1, 9990, []{ copy_and_scalePID_d(N); })
|
||||
|
||||
#if ENABLED(PID_EXTRUSION_SCALING)
|
||||
#define _PID_BASE_MENU_ITEMS(N) \
|
||||
__PID_BASE_MENU_ITEMS(N); \
|
||||
EDIT_ITEM_N(float3, N, MSG_PID_C_E, &PID_PARAM(Kc, N), 1, 9990)
|
||||
#else
|
||||
#define _PID_BASE_MENU_ITEMS(N) __PID_BASE_MENU_ITEMS(N)
|
||||
#endif
|
||||
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
#define _PID_EDIT_MENU_ITEMS(N) \
|
||||
_PID_BASE_MENU_ITEMS(N); \
|
||||
EDIT_ITEM_N(float3, N, MSG_PID_C_E, &PID_PARAM(Kc, N), 1, 9990)
|
||||
EDIT_ITEM(float3, PID_LABEL(MSG_PID_F,N), &PID_PARAM(Kf, N), 1, 9990)
|
||||
#else
|
||||
#define _PID_EDIT_MENU_ITEMS(N) _PID_BASE_MENU_ITEMS(N)
|
||||
#endif
|
||||
|
||||
@ -37,7 +37,7 @@
|
||||
*/
|
||||
|
||||
// Change EEPROM version if the structure changes
|
||||
#define EEPROM_VERSION "V72"
|
||||
#define EEPROM_VERSION "V73"
|
||||
#define EEPROM_OFFSET 100
|
||||
|
||||
// Check the integrity of data offsets.
|
||||
@ -242,7 +242,7 @@ typedef struct SettingsDataStruct {
|
||||
//
|
||||
// PIDTEMP
|
||||
//
|
||||
PIDC_t hotendPID[HOTENDS]; // M301 En PIDC / M303 En U
|
||||
PIDCF_t hotendPID[HOTENDS]; // M301 En PIDCF / M303 En U
|
||||
int16_t lpq_len; // M301 L
|
||||
|
||||
//
|
||||
@ -785,13 +785,14 @@ void MarlinSettings::postprocess() {
|
||||
{
|
||||
_FIELD_TEST(hotendPID);
|
||||
HOTEND_LOOP() {
|
||||
PIDC_t pidc = {
|
||||
PIDCF_t pidcf = {
|
||||
PID_PARAM(Kp, e),
|
||||
unscalePID_i(PID_PARAM(Ki, e)),
|
||||
unscalePID_d(PID_PARAM(Kd, e)),
|
||||
PID_PARAM(Kc, e)
|
||||
PID_PARAM(Kc, e),
|
||||
PID_PARAM(Kf, e)
|
||||
};
|
||||
EEPROM_WRITE(pidc);
|
||||
EEPROM_WRITE(pidcf);
|
||||
}
|
||||
|
||||
_FIELD_TEST(lpq_len);
|
||||
@ -1586,16 +1587,19 @@ void MarlinSettings::postprocess() {
|
||||
//
|
||||
{
|
||||
HOTEND_LOOP() {
|
||||
PIDC_t pidc;
|
||||
EEPROM_READ(pidc);
|
||||
PIDCF_t pidcf;
|
||||
EEPROM_READ(pidcf);
|
||||
#if ENABLED(PIDTEMP)
|
||||
if (!validating && pidc.Kp != DUMMY_PID_VALUE) {
|
||||
if (!validating && pidcf.Kp != DUMMY_PID_VALUE) {
|
||||
// Scale PID values since EEPROM values are unscaled
|
||||
PID_PARAM(Kp, e) = pidc.Kp;
|
||||
PID_PARAM(Ki, e) = scalePID_i(pidc.Ki);
|
||||
PID_PARAM(Kd, e) = scalePID_d(pidc.Kd);
|
||||
PID_PARAM(Kp, e) = pidcf.Kp;
|
||||
PID_PARAM(Ki, e) = scalePID_i(pidcf.Ki);
|
||||
PID_PARAM(Kd, e) = scalePID_d(pidcf.Kd);
|
||||
#if ENABLED(PID_EXTRUSION_SCALING)
|
||||
PID_PARAM(Kc, e) = pidc.Kc;
|
||||
PID_PARAM(Kc, e) = pidcf.Kc;
|
||||
#endif
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
PID_PARAM(Kf, e) = pidcf.Kf;
|
||||
#endif
|
||||
}
|
||||
#endif
|
||||
@ -2446,6 +2450,10 @@ void MarlinSettings::reset() {
|
||||
#if ENABLED(PID_EXTRUSION_SCALING)
|
||||
PID_PARAM(Kc, e) = DEFAULT_Kc;
|
||||
#endif
|
||||
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
PID_PARAM(Kf, e) = DEFAULT_Kf;
|
||||
#endif
|
||||
}
|
||||
#endif
|
||||
|
||||
@ -3003,6 +3011,9 @@ void MarlinSettings::reset() {
|
||||
SERIAL_ECHOPAIR(" C", PID_PARAM(Kc, e));
|
||||
if (e == 0) SERIAL_ECHOPAIR(" L", thermalManager.lpq_len);
|
||||
#endif
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
SERIAL_ECHOPAIR(" F", PID_PARAM(Kf, e));
|
||||
#endif
|
||||
SERIAL_EOL();
|
||||
}
|
||||
#endif // PIDTEMP
|
||||
|
||||
@ -872,6 +872,15 @@ void Temperature::min_temp_error(const heater_ind_t heater) {
|
||||
}
|
||||
#endif // PID_EXTRUSION_SCALING
|
||||
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
if (thermalManager.fan_speed[active_extruder] > PID_FAN_SCALING_MIN_SPEED) {
|
||||
work_pid[ee].Kf = PID_PARAM(Kf, ee) + (PID_FAN_SCALING_LIN_FACTOR) * thermalManager.fan_speed[active_extruder];
|
||||
pid_output += work_pid[ee].Kf;
|
||||
}
|
||||
//pid_output -= work_pid[ee].Ki;
|
||||
//pid_output += work_pid[ee].Ki * work_pid[ee].Kf
|
||||
#endif // PID_FAN_SCALING
|
||||
|
||||
LIMIT(pid_output, 0, PID_MAX);
|
||||
}
|
||||
temp_dState[ee] = temp_hotend[ee].celsius;
|
||||
|
||||
@ -55,15 +55,23 @@ typedef enum : int8_t {
|
||||
// PID storage
|
||||
typedef struct { float Kp, Ki, Kd; } PID_t;
|
||||
typedef struct { float Kp, Ki, Kd, Kc; } PIDC_t;
|
||||
#if ENABLED(PID_EXTRUSION_SCALING)
|
||||
typedef PIDC_t hotend_pid_t;
|
||||
#if LPQ_MAX_LEN > 255
|
||||
typedef uint16_t lpq_ptr_t;
|
||||
typedef struct { float Kp, Ki, Kd, Kf; } PIDF_t;
|
||||
typedef struct { float Kp, Ki, Kd, Kc, Kf; } PIDCF_t;
|
||||
|
||||
typedef
|
||||
#if BOTH(PID_EXTRUSION_SCALING, PID_FAN_SCALING)
|
||||
PIDCF_t
|
||||
#elif ENABLED(PID_EXTRUSION_SCALING)
|
||||
PIDC_t
|
||||
#elif ENABLED(PID_FAN_SCALING)
|
||||
PIDF_t
|
||||
#else
|
||||
typedef uint8_t lpq_ptr_t;
|
||||
PID_t
|
||||
#endif
|
||||
#else
|
||||
typedef PID_t hotend_pid_t;
|
||||
hotend_pid_t;
|
||||
|
||||
#if ENABLED(PID_EXTRUSION_SCALING)
|
||||
typedef IF<(LPQ_MAX_LEN > 255), uint16_t, uint8_t>::type lpq_ptr_t;
|
||||
#endif
|
||||
|
||||
#define DUMMY_PID_VALUE 3000.0f
|
||||
@ -77,6 +85,12 @@ typedef struct { float Kp, Ki, Kd, Kc; } PIDC_t;
|
||||
#else
|
||||
#define _PID_Kc(H) 1
|
||||
#endif
|
||||
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
#define _PID_Kf(H) Temperature::temp_hotend[H].pid.Kf
|
||||
#else
|
||||
#define _PID_Kf(H) 0
|
||||
#endif
|
||||
#else
|
||||
#define _PID_Kp(H) DUMMY_PID_VALUE
|
||||
#define _PID_Ki(H) DUMMY_PID_VALUE
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -201,6 +201,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -202,6 +202,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -202,6 +202,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -210,6 +210,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
@ -197,6 +197,56 @@
|
||||
#define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
|
||||
#define LPQ_MAX_LEN 50
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Add an experimental additional term to the heater power, proportional to the fan speed.
|
||||
* A well-chosen Kf value should add just enough power to compensate for power-loss from the cooling fan.
|
||||
* You can either just add a constant compensation with the DEFAULT_Kf value
|
||||
* or follow the instruction below to get speed-dependent compensation.
|
||||
*
|
||||
* Constant compensation (use only with fanspeeds of 0% and 100%)
|
||||
* ---------------------------------------------------------------------
|
||||
* A good starting point for the Kf-value comes from the calculation:
|
||||
* kf = (power_fan * eff_fan) / power_heater * 255
|
||||
* where eff_fan is between 0.0 and 1.0, based on fan-efficiency and airflow to the nozzle / heater.
|
||||
*
|
||||
* Example:
|
||||
* Heater: 40W, Fan: 0.1A * 24V = 2.4W, eff_fan = 0.8
|
||||
* Kf = (2.4W * 0.8) / 40W * 255 = 12.24
|
||||
*
|
||||
* Fan-speed dependent compensation
|
||||
* --------------------------------
|
||||
* 1. To find a good Kf value, set the hotend temperature, wait for it to settle, and enable the fan (100%).
|
||||
* Make sure PID_FAN_SCALING_LIN_FACTOR is 0 and PID_FAN_SCALING_ALTERNATIVE_DEFINITION is not enabled.
|
||||
* If you see the temperature drop repeat the test, increasing the Kf value slowly, until the temperature
|
||||
* drop goes away. If the temperature overshoots after enabling the fan, the Kf value is too big.
|
||||
* 2. Note the Kf-value for fan-speed at 100%
|
||||
* 3. Determine a good value for PID_FAN_SCALING_MIN_SPEED, which is around the speed, where the fan starts moving.
|
||||
* 4. Repeat step 1. and 2. for this fan speed.
|
||||
* 5. Enable PID_FAN_SCALING_ALTERNATIVE_DEFINITION and enter the two identified Kf-values in
|
||||
* PID_FAN_SCALING_AT_FULL_SPEED and PID_FAN_SCALING_AT_MIN_SPEED. Enter the minimum speed in PID_FAN_SCALING_MIN_SPEED
|
||||
*/
|
||||
//#define PID_FAN_SCALING
|
||||
#if ENABLED(PID_FAN_SCALING)
|
||||
//#define PID_FAN_SCALING_ALTERNATIVE_DEFINITION
|
||||
#if ENABLED(PID_FAN_SCALING_ALTERNATIVE_DEFINITION)
|
||||
// The alternative definition is used for an easier configuration.
|
||||
// Just figure out Kf at fullspeed (255) and PID_FAN_SCALING_MIN_SPEED.
|
||||
// DEFAULT_Kf and PID_FAN_SCALING_LIN_FACTOR are calculated accordingly.
|
||||
|
||||
#define PID_FAN_SCALING_AT_FULL_SPEED 13.0 //=PID_FAN_SCALING_LIN_FACTOR*255+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_AT_MIN_SPEED 6.0 //=PID_FAN_SCALING_LIN_FACTOR*PID_FAN_SCALING_MIN_SPEED+DEFAULT_Kf
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10.0 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
|
||||
#define DEFAULT_Kf (255.0*PID_FAN_SCALING_AT_MIN_SPEED-PID_FAN_SCALING_AT_FULL_SPEED*PID_FAN_SCALING_MIN_SPEED)/(255.0-PID_FAN_SCALING_MIN_SPEED)
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (PID_FAN_SCALING_AT_FULL_SPEED-DEFAULT_Kf)/255.0
|
||||
|
||||
#else
|
||||
#define PID_FAN_SCALING_LIN_FACTOR (0) // Power loss due to cooling = Kf * (fan_speed)
|
||||
#define DEFAULT_Kf 10 // A constant value added to the PID-tuner
|
||||
#define PID_FAN_SCALING_MIN_SPEED 10 // Minimum fan speed at which to enable PID_FAN_SCALING
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
||||
Some files were not shown because too many files have changed in this diff Show More
Loading…
Reference in New Issue
Block a user