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wideband
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battery stabilization time with a timer

This commit is contained in:
Matthew Kennedy 2023-11-15 20:54:57 -08:00
parent 5902009536
commit 35c84cf13b
3 changed files with 9 additions and 7 deletions
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10
firmware/heater_control.cpp
View File

@ -19,6 +19,7 @@ void HeaterControllerBase::Configure(float targetTempC, float targetEsr)
m_preheatTimer.reset();
m_warmupTimer.reset();
m_batteryStableTimer.reset();
}
bool HeaterControllerBase::IsRunningClosedLoop() const
@ -46,15 +47,14 @@ HeaterState HeaterControllerBase::GetNextState(HeaterState currentState, HeaterA
// measured voltage too low to auto-start heating
if (batteryVoltage < HEATER_BATTETY_OFF_VOLTAGE)
{
batteryStabTime = batteryStabTimeCounter;
m_batteryStableTimer.reset();
return HeaterState::NoHeaterSupply;
}
// measured voltage is high enougth to auto-start heating, wait some time to stabilize
if ((batteryVoltage > HEATER_BATTERY_ON_VOLTAGE) && (batteryStabTime > 0))
else if (batteryVoltage > HEATER_BATTERY_ON_VOLTAGE)
{
batteryStabTime--;
// measured voltage is high enougth to auto-start heating, wait some time to stabilize
heaterAllowed = m_batteryStableTimer.hasElapsedSec(HEATER_BATTERY_STAB_TIME);
}
heaterAllowed = batteryStabTime == 0;
}
if (!heaterAllowed)

4
firmware/heater_control.h
View File

@ -40,6 +40,8 @@ public:
virtual void SetDuty(float duty) const = 0;
bool GetIsHeatingEnabled(HeaterAllow heaterAllowState, float batteryVoltage);
HeaterState GetNextState(HeaterState currentState, HeaterAllow haeterAllowState, float batteryVoltage, float sensorTemp);
float GetVoltageForState(HeaterState state, float sensorEsr);
@ -53,7 +55,6 @@ private:
HEATER_CONTROL_PERIOD
};
int batteryStabTime = batteryStabTimeCounter;
float rampVoltage = 0;
float heaterVoltage = 0;
HeaterState heaterState = HeaterState::Preheat;
@ -69,6 +70,7 @@ private:
const int m_preheatTimeSec;
const int m_warmupTimeSec;
Timer m_batteryStableTimer;
Timer m_preheatTimer;
Timer m_warmupTimer;

2
firmware/wideband_config.h
View File

@ -43,7 +43,7 @@
#define HEATER_PREHEAT_TIME 5
#define HEATER_WARMUP_TIMEOUT 60
#define HEATER_BATTERY_STAB_TIME 500
#define HEATER_BATTERY_STAB_TIME 0.5f
// minimal battery voltage to start heating without CAN command
#define HEATER_BATTERY_ON_VOLTAGE 9.5
// mininal battery voltage to continue heating