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flex cranking math (#3791) 

* flex cranking math

* simplify

* s

* simplify
This commit is contained in:
Matthew Kennedy 2022-02-01 17:53:14 -08:00 committed by GitHub
parent 751355a04b
commit c2eab94534
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 25 additions and 12 deletions
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24
firmware/controllers/algo/fuel_math.cpp
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@ -61,21 +61,23 @@ float getCrankingFuel3(
* Cranking fuel is different depending on engine coolant temperature
* If the sensor is failed, use 20 deg C
*/
auto clt = Sensor::get(SensorType::Clt);
engine->engineState.cranking.coolantTemperatureCoefficient =
interpolate2d(clt.value_or(20), config->crankingFuelBins, config->crankingFuelCoef);
auto clt = Sensor::get(SensorType::Clt).value_or(20);
auto e0Mult = interpolate2d(clt, config->crankingFuelBins, config->crankingFuelCoef);
if (Sensor::hasSensor(SensorType::FuelEthanolPercent)) {
auto e100 = interpolate2d(clt, config->crankingFuelBins, config->crankingFuelCoefE100);
auto flex = Sensor::get(SensorType::FuelEthanolPercent);
engine->engineState.cranking.coolantTemperatureCoefficient = priv::linterp(e0Mult, e100, flex.value_or(50));
} else {
engine->engineState.cranking.coolantTemperatureCoefficient = e0Mult;
}
auto tps = Sensor::get(SensorType::DriverThrottleIntent);
engine->engineState.cranking.tpsCoefficient = tps.Valid ? 1 : interpolate2d(tps.Value, engineConfiguration->crankingTpsBins,
engineConfiguration->crankingTpsCoef);
/*
engine->engineState.cranking.tpsCoefficient =
tps.Valid
tps.Valid
? interpolate2d(tps.Value, engineConfiguration->crankingTpsBins, engineConfiguration->crankingTpsCoef)
: 1; // in case of failed TPS, don't correct.*/
: 1; // in case of failed TPS, don't correct.
floatms_t crankingFuel = baseCrankingFuel
* engine->engineState.cranking.durationCoefficient

4
firmware/integration/rusefi_config.txt
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@ -1558,7 +1558,7 @@ float[CLT_CURVE_SIZE] cltFuelCorr;;"ratio", 1, 0, 0, 5, 2
float[IAT_CURVE_SIZE] iatFuelCorrBins;;"C", 1, 0, -100, 250, 2
float[IAT_CURVE_SIZE] iatFuelCorr;;"ratio", 1, 0, 0, 5, 2
float[CRANKING_CURVE_SIZE] crankingFuelCoef;;"ratio", 1, 0, 0.1, 50, 2
float[CRANKING_CURVE_SIZE] crankingFuelCoef;;"ratio", 1, 0, 0, 50, 2
float[CRANKING_CURVE_SIZE] crankingFuelBins;;"C", 1, 0, -80, 170, 2
float[CRANKING_CURVE_SIZE] crankingCycleCoef;;"ratio", 1, 0, 0, 5, 2
@ -1651,6 +1651,8 @@ cyl_trim_s[12 iterate] ignTrims
uint16_t[TRIM_SIZE] fuelTrimLoadBins;;"", 1, 0, 0, 400, 0
uint16_t[TRIM_SIZE] fuelTrimRpmBins;;"rpm", 1, 0, 0, 20000, 0
cyl_trim_s[12 iterate] fuelTrims
uint16_t[CRANKING_CURVE_SIZE] crankingFuelCoefE100;;"ratio", 0.01, 0, 0, 50, 2
end_struct
#define MOCK_MAP_COMMAND "mock_map_voltage"

9
firmware/tunerstudio/rusefi.input
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@ -496,6 +496,14 @@ enable2ndByteCanID = false
yAxis = 0, 3, 10
xBins = crankingFuelBins, coolant
yBins = crankingFuelCoef
gauge = CLTGauge
curve = crankingCltCurveE100, "Cranking Coolant Temperature Multiplier (Flex Fuel E100)"
columnLabel = "Coolant", "Multiplier"
xAxis = -40, 120, 9
yAxis = 0, 3, 10
xBins = crankingFuelBins, coolant
yBins = crankingFuelCoefE100
gauge = CLTGauge
curve = etbTpsBiasCurve, "Electronic TB Bias Curve"
@ -1427,6 +1435,7 @@ menuDialog = main
subMenu = std_separator
subMenu = crankingCltCurve, "Fuel CLT multiplier"
subMenu = crankingCltCurveE100, "Fuel CLT multiplier (Flex Fuel E100)", 0, { flexSensorPin != @@ADC_CHANNEL_NONE@@ }
subMenu = crankingDurationCurve, "Fuel duration multiplier"
subMenu = crankingTpsCurve, "Fuel TPS multiplier"
subMenu = std_separator