SoC Calculator #754
@ -158,7 +158,26 @@ void PowerController::calculateStateOfCharge() {
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}
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return;
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}
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calculateCoulombCounterCharge();
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result = calculateCoulombCounterCharge();
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// store time for next run
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oldTime = now;
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if (result != returnvalue::OK) {
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// notifying events have already been triggered
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{
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PoolReadGuard pg(&pwrCtrlCoreHk);
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if (pg.getReadResult() == returnvalue::OK) {
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pwrCtrlCoreHk.totalBatteryCurrent.value = iBat;
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pwrCtrlCoreHk.totalBatteryCurrent.setValid(true);
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pwrCtrlCoreHk.openCircuitVoltageCharge.value =
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charge2stateOfCharge(openCircuitVoltageCharge);
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pwrCtrlCoreHk.openCircuitVoltageCharge.setValid(true);
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pwrCtrlCoreHk.coulombCounterCharge.value = INVALID_SOC;
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pwrCtrlCoreHk.coulombCounterCharge.setValid(false);
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}
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}
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return;
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}
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// commit to dataset
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{
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@ -170,9 +189,6 @@ void PowerController::calculateStateOfCharge() {
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pwrCtrlCoreHk.setValidity(true, true);
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}
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}
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// store time for next run
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oldTime = now;
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}
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ReturnValue_t PowerController::calculateOpenCircuitVoltageCharge() {
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@ -189,21 +205,20 @@ ReturnValue_t PowerController::calculateOpenCircuitVoltageCharge() {
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}
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ReturnValue_t PowerController::calculateCoulombCounterCharge() {
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if ((pwrCtrlCoreHk.coulombCounterCharge.value == 0) or
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double timeDiff = timevalOperations::toDouble(now - oldTime);
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if (timeDiff > maxAllowedTimeDiff) {
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triggerEvent(power::TIMEDELTA_OUT_OF_BOUNDS);
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sif::error << "Power Controller::Time delta too large for Coulomb Counter" << std::endl;
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return returnvalue::FAILED;
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}
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if ((not pwrCtrlCoreHk.coulombCounterCharge.isValid()) or
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(p60CoreHk.batteryVoltage.value > coulombCounterVoltageUpperThreshold and
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pwrCtrlCoreHk.coulombCounterCharge.value >= coulombCounterChargeUpperThreshold)) {
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coulombCounterCharge = openCircuitVoltageCharge;
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return returnvalue::OK;
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} else {
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coulombCounterCharge = pwrCtrlCoreHk.coulombCounterCharge.value + iBat * timeDiff;
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}
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else {
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double timeDiff = timevalOperations::toDouble(now - oldTime);
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if (timeDiff < maxAllowedTimeDiff) {
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coulombCounterCharge = pwrCtrlCoreHk.coulombCounterCharge.value + iBat * timeDiff;
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return returnvalue::OK;
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}
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}
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return returnvalue::FAILED;
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return returnvalue::OK;
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}
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ReturnValue_t PowerController::updateEpsData() {
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@ -259,3 +274,17 @@ ReturnValue_t PowerController::lookUpTableOcvIdxFinder(float voltage, uint8_t &i
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}
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return returnvalue::OK;
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}
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ReturnValue_t PowerController::calculateCoulombCounterChargeUpperThreshold() {
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uint8_t lookUpTableIdx = 99;
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ReturnValue_t result =
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lookUpTableOcvIdxFinder(coulombCounterVoltageUpperThreshold, lookUpTableIdx);
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if (result != returnvalue::OK) {
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return result;
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}
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coulombCounterChargeUpperThreshold =
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linearInterpolation(coulombCounterVoltageUpperThreshold, lookUpTableOcv[1][lookUpTableIdx],
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lookUpTableOcv[1][lookUpTableIdx + 1], lookUpTableOcv[0][lookUpTableIdx],
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lookUpTableOcv[0][lookUpTableIdx + 1]);
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return returnvalue::OK;
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}
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@ -49,6 +49,7 @@ class PowerController : public ExtendedControllerBase, public ReceivesParameterM
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float charge2stateOfCharge(float capacity);
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ReturnValue_t lookUpTableOcvIdxFinder(float voltage, uint8_t& idx);
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float linearInterpolation(float x, float x0, float x1, float y0, float y1);
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ReturnValue_t calculateCoulombCounterChargeUpperThreshold();
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// Parameters
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float batteryInternalResistance = 70.0 / 2.0 / 1000.0; // [Ohm]
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@ -53,6 +53,9 @@ static constexpr Event DATASET_READ_FAILED = event::makeEvent(SUBSYSTEM_ID, 4, s
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//! be.
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//! P1: 1 too high, 0 too low
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static constexpr Event VOLTAGE_OUT_OF_BOUNDS = event::makeEvent(SUBSYSTEM_ID, 5, severity::HIGH);
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//! [EXPORT] : [COMMENT] Time difference for Coulomb Counter was too large.
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static constexpr Event TIMEDELTA_OUT_OF_BOUNDS =
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event::makeEvent(SUBSYSTEM_ID, 6, severity::MEDIUM);
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enum class States { IDLE, SWITCHING_POWER, CHECKING_POWER, MODE_COMMANDING };
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enum class OpCodes { NONE, TO_OFF_DONE, TO_NOT_OFF_DONE, TIMEOUT_OCCURED };
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