void Thermocycler::SetPlateControlStrategy() {
if (InControlledRamp())
return;
if (absf(iTargetPlateTemp - GetPlateTemp()) >= PLATE_BANGBANG_THRESHOLD && !InControlledRamp()) {
iPlateControlMode = EBangBang;
iPlatePid.SetMode(MANUAL);
}
else {
iPlateControlMode = EPIDPlate;
iPlatePid.SetMode(AUTOMATIC);
}
if (iRamping) {
if (iTargetPlateTemp >= GetPlateTemp()) {
iDecreasing = false;
if (iTargetPlateTemp < PLATE_PID_INC_LOW_THRESHOLD)
iPlatePid.SetTunings(PLATE_PID_INC_LOW_P, PLATE_PID_INC_LOW_I, PLATE_PID_INC_LOW_D);
else
iPlatePid.SetTunings(PLATE_PID_INC_NORM_P, PLATE_PID_INC_NORM_I, PLATE_PID_INC_NORM_D);
}
else {
iDecreasing = true;
if (iTargetPlateTemp > PLATE_PID_DEC_HIGH_THRESHOLD)
iPlatePid.SetTunings(PLATE_PID_DEC_HIGH_P, PLATE_PID_DEC_HIGH_I, PLATE_PID_DEC_HIGH_D);
else if (iTargetPlateTemp < PLATE_PID_DEC_LOW_THRESHOLD)
iPlatePid.SetTunings(PLATE_PID_DEC_LOW_P, PLATE_PID_DEC_LOW_I, PLATE_PID_DEC_LOW_D);
else
iPlatePid.SetTunings(PLATE_PID_DEC_NORM_P, PLATE_PID_DEC_NORM_I, PLATE_PID_DEC_NORM_D);
}
}
}
void Thermocycler::SetPlateControlStrategy() {
if (InControlledRamp())
return;
if (fabs(m_target_plate_temp - GetPlateTemp()) >= PLATE_BANGBANG_THRESHOLD && !InControlledRamp()) {
m_plate_control_mode = EBangBang;
m_plate_pid->SetMode(MANUAL);
} else {
m_plate_control_mode = EPIDPlate;
m_plate_pid->SetMode(AUTOMATIC);
}
if (m_is_ramping) {
if (m_target_plate_temp >= GetPlateTemp()) {
m_is_decreasing = false;
if (m_target_plate_temp < PLATE_PID_INC_LOW_THRESHOLD)
m_plate_pid->SetTunings(PLATE_PID_INC_LOW_P, PLATE_PID_INC_LOW_I, PLATE_PID_INC_LOW_D);
else
m_plate_pid->SetTunings(PLATE_PID_INC_NORM_P, PLATE_PID_INC_NORM_I, PLATE_PID_INC_NORM_D);
} else {
m_is_decreasing = true;
if (m_target_plate_temp > PLATE_PID_DEC_HIGH_THRESHOLD)
m_plate_pid->SetTunings(PLATE_PID_DEC_HIGH_P, PLATE_PID_DEC_HIGH_I, PLATE_PID_DEC_HIGH_D);
else if (m_target_plate_temp < PLATE_PID_DEC_LOW_THRESHOLD)
m_plate_pid->SetTunings(PLATE_PID_DEC_LOW_P, PLATE_PID_DEC_LOW_I, PLATE_PID_DEC_LOW_D);
else
m_plate_pid->SetTunings(PLATE_PID_DEC_NORM_P, PLATE_PID_DEC_NORM_I, PLATE_PID_DEC_NORM_D);
}
}
}
void Thermocycler::CalcPlateTarget() {
if (m_current_step == NULL)
return;
if (InControlledRamp()) {
//controlled ramp
double tempDelta = m_current_step->GetTemp() - m_previous_step->GetTemp();
double rampPoint = (double)GetRampElapsedTimeMs() / (m_current_step->GetRampDurationS() * 1000);
m_target_plate_temp = m_previous_step->GetTemp() + tempDelta * rampPoint;
} else {
//fast ramp
m_target_plate_temp = m_current_step->GetTemp();
}
}
void Thermocycler::CalcPlateTarget() {
if (ipCurrentStep == NULL)
return;
if (InControlledRamp()) {
//controlled ramp
double tempDelta = ipCurrentStep->GetTemp() - ipPreviousStep->GetTemp();
double rampPoint = (double)GetRampElapsedTimeMs() / (ipCurrentStep->GetRampDurationS() * 1000);
iTargetPlateTemp = ipPreviousStep->GetTemp() + tempDelta * rampPoint;
} else {
//fast ramp
iTargetPlateTemp = ipCurrentStep->GetTemp();
}
}
