private void ExtractForInjector(PsaParametersSet set,
AnalyticStatisticsItem result, int injectorNumber,
DateTime sourceDataCaptureDateTime)
{
PsaParameterData forThisInjector =
set.GetCertainInjectorCorrections(injectorNumber);
if (forThisInjector == null)
{
return;
}
PsaParameterData rpmData =
set.GetParameterOfType(PsaParameterType.EngineRpm);
CorrelatedMedianExtractor extractor =
new CorrelatedMedianExtractor(
rpmData.GetDoubles(), forThisInjector.GetDoubles(),
RpmCorrelationThresholdPercentage);
double res = extractor.GetForBaseValue((int)RuleTypeToRpm.Map(type));
if (double.IsNaN(res))
{
return;
}
// becuse we need correction's absolute value, it can be negative
double abs = Math.Abs(res);
result.Values.Add(new AnalyticStatisticsValue(
abs, info.Vin, set.Id, sourceDataCaptureDateTime));
}
public AnalyticStatisticsItem Get(PsaParametersSet set,
DateTime sourceDataCaptureDateTime)
{
AnalyticStatisticsItem result = new AnalyticStatisticsItem(Type,
VehicleInfo.Engine.Family.Type, VehicleInfo.Engine.Type);
PsaParameterData rpmData = set.GetParameterOfType(PsaParameterType.EngineRpm);
PsaParameterData voltageData = GetRequiredDependentData(set);
if (rpmData == null || voltageData == null)
{
throw new Exception("set does not fit.");
}
CorrelatedMedianExtractor extractor = new CorrelatedMedianExtractor(
rpmData.GetDoubles(), voltageData.GetDoubles(),
RpmCorrelationThresholdPercentage);
double doubleValue = extractor.GetForBaseValue(Convert.ToDouble(TargetRpm));
if (!double.IsNaN(doubleValue))
{
AnalyticStatisticsValue value =
new AnalyticStatisticsValue(doubleValue, info.Vin, set.Id,
sourceDataCaptureDateTime);
result.Values.Add(value);
}
return(result);
}
private void PickDataFromSet(PsaParametersSet set, DateTime date)
{
PsaParameterData rpmData =
set.GetParameterOfType(PsaParameterType.EngineRpm);
PsaParameterData pressureData =
set.GetParameterOfType(PsaParameterType.FuelSystemPressure);
IList <int> idleIndexes = IdleRpmValueExtractor.
ExtractIdleIndexes(rpmData.GetDoubles());
if (idleIndexes.Count < idleRpmValuesCountLowerThreshold)
{
return;
}
IList <double> idlePressureValues =
ExtractIdlePressureValues(idleIndexes, pressureData.GetDoubles());
result.Values.Add(
new KeyValuePair <DateTime, double>(
date, idlePressureValues.Average()));
// Let's get OcrToIdleRpmRatio
PsaParameterData ocrData =
set.GetParameterOfType(PsaParameterType.
DieselPressureRegulatorRatio);
if (ocrData != null)
{
IList <double> ocrValues =
ocrData.ExtractByIndexes(idleIndexes).ToList();
IList <double> rpmValues =
rpmData.ExtractByIndexes(idleIndexes).ToList();
if (ocrValues.Count != rpmValues.Count)
{
throw new Exception("Counts should be equal!");
}
IList <double> ratioValues = new List <double>();
for (int i = 0; i < rpmValues.Count; i++)
{
double ratio = ocrValues[i] / rpmValues[i];
if (double.IsInfinity(ratio))
{
continue;
}
ratioValues.Add(RatioMultiplier * ocrValues[i] / rpmValues[i]);
}
result.OcrToRpmRatio[date] = ratioValues.Average();
}
}
private IList <double> ExtractStartupVoltageValues(PsaParameterData rpm,
PsaParameterData voltage)
{
IList <double> result = new List <double>();
EngineStartupDetector detector =
new EngineStartupDetector(rpm.GetDoubles());
if (detector.EngineStartupDetected())
{
IList <int> startupIndexes =
detector.GetEngineStartupPointIndexes();
IList <double> voltageValues = voltage.GetDoubles();
foreach (int index in startupIndexes)
{
result.Add(voltageValues[index]);
}
}
return(result);
}
protected override void PickFromPsaParametersSet(
DateTime date, PsaParametersSet set)
{
// 1. get our target rpm from settings
PsaParameterData rpmParameter =
set.GetParameterOfType(PsaParameterType.EngineRpm);
// 2. find data in the dataset
PsaParameterData oxygenSensorVoltageParameter =
set.GetParameterOfType(GetOxygenSensorParameter());
// 3. get base line (rpm)
IList <double> baseLine = rpmParameter.GetDoubles();
// 4. get dependant line (probe voltage)
IList <double> dependantLine = oxygenSensorVoltageParameter.GetDoubles();
// 5. extract correlated median for base RPM value
CorrelatedMedianExtractor extractor =
new CorrelatedMedianExtractor(baseLine, dependantLine,
BaseValuesDifferencePercentageThreshold);
CheckpointRpm rpm = GetTargetRpm();
double corellatedMedian = extractor.GetForBaseValue(Convert.ToDouble(rpm));
if (double.IsNaN(corellatedMedian))
{
return;
}
// 6. apply atom settings
SettingsAtomApplier applier = new SettingsAtomApplier(
Settings.SettingsMolecule.GetPriorityAtom());
double mark =
Math.Round(applier.GetMarkForValue(corellatedMedian), 1);
// 7. save to marks history
MarksHistory[date] = mark;
}
