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VbattBins on injector deadtime should be 8 not 2

This commit is contained in:
FDSoftware 2025-02-26 17:03:34 -03:00 committed by rusefillc
parent 13c528de8c
commit 6b1733ccf5
6 changed files with 21 additions and 20 deletions
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10
firmware/config/engines/mazda/mazda_miata_vvt.cpp
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@ -62,11 +62,13 @@
#if HW_HELLEN
static const float injectorLagPressureBins[VBAT_INJECTOR_CURVE_PRESSURE_SIZE] = { 300, 600 };
static const float injectorLagVbattBins[VBAT_INJECTOR_CURVE_PRESSURE_SIZE] = { 11.0, 15.0 };
static const float injectorLagVbattBins[VBAT_INJECTOR_CURVE_SIZE] = {
6.0, 8.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0
};
static const float injectorLagCorrection[VBAT_INJECTOR_CURVE_PRESSURE_SIZE][VBAT_INJECTOR_CURVE_PRESSURE_SIZE] = {
{ 1.7, 1.20 },
{ 1.7, 1.20 },
static const float injectorLagCorrection[VBAT_INJECTOR_CURVE_PRESSURE_SIZE][VBAT_INJECTOR_CURVE_SIZE] = {
{ 4.0, 3.0, 2.0, 1.7, 1.5, 1.35, 1.25, 1.20 },
{ 4.0, 3.0, 2.0, 1.7, 1.5, 1.35, 1.25, 1.20 },
};
#if VVT_TABLE_SIZE == 8

9
firmware/controllers/algo/defaults/default_fuel.cpp
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@ -7,13 +7,12 @@
static void setBosch02880155868(injector_s& cfg) {
// http://www.boschdealer.com/specsheets/0280155868cs.jpg (use web.archive.org)
static const float vBattBins[2] = { 10, 14 };
static const float vBattBins[8] = { 6.0, 8.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0 };
static const float pressureBins[2] = { 206.843, 413.685 };
// result from FNPW_OFFSET * FNPW_OFFCOMP
static const float corrBins[2][2] = {
{ 1.383 * 0.9651, 0.726 * 0.9651 },
{ 1.383 * 1.1152, 0.726 * 1.1152 }
static const float corrBins[2][8] = {
{ 3.371, 1.974, 1.383, 1.194, 1.040, 0.914, 0.767, 0.726 },
{ 3.371, 1.974, 1.383, 1.194, 1.040, 0.914, 0.767, 0.726 },
};
copyArray(cfg.battLagCorrBattBins, vBattBins);

2
firmware/controllers/algo/fuel/batt_lag_corr_curve.h
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@ -6,4 +6,4 @@
#include <array>
using BattLagCorrTable = std::array<std::array<float, VBAT_INJECTOR_CURVE_PRESSURE_SIZE>, VBAT_INJECTOR_CURVE_PRESSURE_SIZE>;
using BattLagCorrTable = std::array<std::array<float, VBAT_INJECTOR_CURVE_SIZE>, VBAT_INJECTOR_CURVE_PRESSURE_SIZE>;

4
firmware/controllers/algo/fuel/injector_model.cpp
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@ -166,8 +166,8 @@ float InjectorModelWithConfig::getInjectorFlowRatio() {
float InjectorModelWithConfig::getDeadtime() const {
return interpolate3d(
m_cfg->battLagCorrTable,
m_cfg->battLagCorrBattBins, Sensor::get(SensorType::BatteryVoltage).value_or(VBAT_FALLBACK_VALUE),
m_cfg->battLagCorrPressBins, pressureCorrectionReference
m_cfg->battLagCorrPressBins, pressureCorrectionReference,
m_cfg->battLagCorrBattBins, Sensor::get(SensorType::BatteryVoltage).value_or(VBAT_FALLBACK_VALUE)
);
}

4
firmware/integration/rusefi_config.txt
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@ -490,10 +490,10 @@ uint16_t engineSnifferRpmThreshold;Engine sniffer would be disabled above this r
struct injector_s
float flow;This is your injector flow at the fuel pressure used in the vehicle\nSee units setting below;"", 1, 0, 0, 99999, 2
int16_t[VBAT_INJECTOR_CURVE_PRESSURE_SIZE] autoscale battLagCorrBattBins;;"volts", 0.01, 0, 0, 20, 2
int16_t[VBAT_INJECTOR_CURVE_SIZE] autoscale battLagCorrBattBins;;"volts", 0.01, 0, 0, 20, 2
! 30k Kpa considering the highest value I found online for a GDI engine, for a Mustang GT PP1
uint32_t[VBAT_INJECTOR_CURVE_PRESSURE_SIZE] autoscale battLagCorrPressBins;Injector correction pressure;"kPa", 0.1, 0, 0, 30000, 2
int16_t[VBAT_INJECTOR_CURVE_PRESSURE_SIZE x VBAT_INJECTOR_CURVE_PRESSURE_SIZE] autoscale battLagCorrTable;ms delay between injector open and close dead times;"ms", 0.01, 0, 0, 50, 2
int16_t[VBAT_INJECTOR_CURVE_PRESSURE_SIZE x VBAT_INJECTOR_CURVE_SIZE] autoscale battLagCorrTable;ms delay between injector open and close dead times;"ms", 0.01, 0, 0, 50, 2
end_struct
injector_s injector

12
unit_tests/tests/ignition_injection/test_injector_model.cpp
View File

@ -134,10 +134,10 @@ TEST(InjectorModel, Deadtime) {
// Some test data in the injector correction table
static const float injectorLagPressureBins[VBAT_INJECTOR_CURVE_PRESSURE_SIZE] = { 300, 600 };
static const float injectorLagVbattBins[VBAT_INJECTOR_CURVE_PRESSURE_SIZE] = { 11.0, 15.0 };
static const float injectorLagCorrection[VBAT_INJECTOR_CURVE_PRESSURE_SIZE][VBAT_INJECTOR_CURVE_PRESSURE_SIZE] = {
{ 6, 1.20 },
{ 14, 1.20 },
static const float injectorLagVbattBins[VBAT_INJECTOR_CURVE_SIZE] = { 6.0, 8.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0 };
static const float injectorLagCorrection[VBAT_INJECTOR_CURVE_PRESSURE_SIZE][VBAT_INJECTOR_CURVE_SIZE] = {
{ 3.371, 1.974, 1.383, 1.194, 1.040, 0.914, 0.767, 0.726 },
{ 3.371, 1.974, 1.383, 1.194, 1.040, 0.914, 0.767, 0.726 },
};
copyArray(engineConfiguration->injector.battLagCorrBattBins, injectorLagVbattBins);
@ -148,10 +148,10 @@ TEST(InjectorModel, Deadtime) {
dut.pressureCorrectionReference = 300;
Sensor::setMockValue(SensorType::BatteryVoltage, 11);
EXPECT_EQ(dut.getDeadtime(), 6);
EXPECT_NEAR(dut.getDeadtime(), 1.18, EPS2D);
Sensor::setMockValue(SensorType::BatteryVoltage, 15);
EXPECT_EQ(dut.getDeadtime(), 14);
EXPECT_NEAR(dut.getDeadtime(), 0.72, EPS2D);
}
struct TesterGetFlowRate : public InjectorModelPrimary {