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SoC Calculator #754

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muellerr merged 74 commits from soc-calculator into main 2023-10-11 10:50:48 +02:00
Conversation 1 Commits 74 Files Changed 52 +10 -8
2 changed files with 10 additions and 8 deletions
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5
mission/controller/PowerController.cpp
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@ -212,7 +212,7 @@ void PowerController::watchStateOfCharge() {
ReturnValue_t PowerController::calculateOpenCircuitVoltageCharge() { ReturnValue_t PowerController::calculateOpenCircuitVoltageCharge() {
float vBatCorrected = float vBatCorrected =
(bpxBatteryHk.battVoltage.value - iBat * batteryInternalResistance) * MILLIVOLT2VOLT; (bpxBatteryHk.battVoltage.value - iBat * batteryInternalResistance) * CONVERT_FROM_MILLI;
uint8_t lookUpTableIdx = LOOK_UP_TABLE_MAX_IDX; uint8_t lookUpTableIdx = LOOK_UP_TABLE_MAX_IDX;
ReturnValue_t result = lookUpTableOcvIdxFinder(vBatCorrected, lookUpTableIdx); ReturnValue_t result = lookUpTableOcvIdxFinder(vBatCorrected, lookUpTableIdx);
if (result != returnvalue::OK) { if (result != returnvalue::OK) {
@ -236,7 +236,8 @@ ReturnValue_t PowerController::calculateCoulombCounterCharge() {
pwrCtrlCoreHk.coulombCounterCharge.value >= coulombCounterChargeUpperThreshold)) { pwrCtrlCoreHk.coulombCounterCharge.value >= coulombCounterChargeUpperThreshold)) {
coulombCounterCharge = openCircuitVoltageCharge; coulombCounterCharge = openCircuitVoltageCharge;
} else { } else {
coulombCounterCharge = pwrCtrlCoreHk.coulombCounterCharge.value + iBat * timeDiff; coulombCounterCharge =
coulombCounterCharge + iBat * CONVERT_FROM_MILLI * timeDiff * SECONDS_TO_HOURS;
} }
return returnvalue::OK; return returnvalue::OK;
} }

13
mission/controller/PowerController.h
View File

@ -58,7 +58,7 @@ class PowerController : public ExtendedControllerBase, public ReceivesParameterM
float coulombCounterVoltageUpperThreshold = 16.2e3; // [mV] float coulombCounterVoltageUpperThreshold = 16.2e3; // [mV]
double maxAllowedTimeDiff = 0.5; // [s] double maxAllowedTimeDiff = 0.5; // [s]
// OCV Look-up-Table // OCV Look-up-Table {[Ah],[V]}
static constexpr uint8_t LOOK_UP_TABLE_MAX_IDX = 99; static constexpr uint8_t LOOK_UP_TABLE_MAX_IDX = 99;
float lookUpTableOcv[2][100] = { float lookUpTableOcv[2][100] = {
{0.00000000e+00, 3.16227766e-04, 4.52809661e-04, 6.48382625e-04, 9.28425483e-04, {0.00000000e+00, 3.16227766e-04, 4.52809661e-04, 6.48382625e-04, 9.28425483e-04,
@ -100,12 +100,13 @@ class PowerController : public ExtendedControllerBase, public ReceivesParameterM
// Variables // Variables
timeval now; timeval now;
timeval oldTime; timeval oldTime;
int16_t iBat = 0.0; // [mA] int16_t iBat = 0; // [mA]
float openCircuitVoltageCharge = 0.0; // [mC] float openCircuitVoltageCharge = 0.0; // [Ah]
float coulombCounterCharge = 0; // [mC] float coulombCounterCharge = 0.0; // [Ah]
float coulombCounterChargeUpperThreshold = 0.0; // [mC] float coulombCounterChargeUpperThreshold = 0.0; // [Ah]
static constexpr float MILLIVOLT2VOLT = 1e-3; static constexpr float CONVERT_FROM_MILLI = 1e-3;
static constexpr float SECONDS_TO_HOURS = 1. / (60. * 60.);
static constexpr int16_t INVALID_TOTAL_BATTERY_CURRENT = 0; static constexpr int16_t INVALID_TOTAL_BATTERY_CURRENT = 0;
static constexpr float INVALID_SOC = -1; static constexpr float INVALID_SOC = -1;