コード例 #1
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        /// <summary>
        /// Consturctor of FuelTripCalculator.
        /// </summary>
        /// <param name="option">Calculation option.</param>
        /// <param name="calculationMethod">Calclation method</param>
        public FuelTripCalculator(FuelTripCalculatorOption option, FuelCalculationMethod calculationMethod)
        {
            this.calculatorOption  = option;
            this.calculationMethod = calculationMethod;

            totalTripFuel = new TripFuelContent();

            sectElapsed           = 0;
            sectStoreMax          = 60;
            sectSpan              = 60 * 1000;
            sectTripFuelTemporary = new TripFuelContent();
            sectTripFuelQueue     = new Queue <TripFuelContent>();
            sectTripFuelLatest    = new TripFuelContent();

            saveElapsedTime = 0;

            //Set data folder and file path.
            folderPath = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
            filePath   = Path.Combine(folderPath, "." + "FUELTRIP_Logger");

            loadTripFuel();

            stopWatch = new Stopwatch();
            stopWatch.Reset();
        }
コード例 #2
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 /// <summary>
 /// Calculate fuel consumption by mass air flow.
 /// </summary>
 /// <param name="elapsedMillisecond">Elapsed time</param>
 /// <param name="massAirFlow">Mass air flow</param>
 /// <param name="calculatorOption">Calculator option<</param>
 /// <returns></returns>
 public static double FuelCalcByMassAir(double elapsedMillisecond, double massAirFlow, FuelTripCalculatorOption calculatorOption)
 {
     return(FuelCalcByAFAndMassAir(elapsedMillisecond, massAirFlow, DefaultAFRatio, calculatorOption));
 }
コード例 #3
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        /// <summary>
        /// Calulate fuel consumption by mass air flow and AF ratio.
        /// </summary>
        /// <param name="elapsedMillisecond">Elapsed time</param>
        /// <param name="massAirFlow">Mass air flow (g/s)</param>
        /// <param name="AFRatio">AF ratio(lambda, Set 1 on stoichiometric mixture(Gas(gram):Air(gram)=14.7:1))</param>
        /// <param name="calculatorOption">Calculator option</param>
        /// <returns></returns>
        public static double FuelCalcByAFAndMassAir(double elapsedMillisecond, double massAirFlow, double AFRatio, FuelTripCalculatorOption calculatorOption)
        {
            double GasConsumptionCoefficient = calculatorOption.FuelCorrectionFactor;
            double momentaryFuelConsumption  = massAirFlow / (AFRatio * 14.7) / DensityOfFuel / 1000;

            return(momentaryFuelConsumption * GasConsumptionCoefficient * elapsedMillisecond / 1000);
        }
コード例 #4
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        /// <summary>
        /// Calculate and return momentary fuel consumption by rev and injection pulse width method.
        /// </summary>
        /// <param name="elaspedMillisecond">Elapsed time in millisecond.</param>
        /// <param name="engineRev">Engine rpm.</param>
        /// <param name="injetctioPulseWidth">Injection pulse width</param>
        /// <param name="calculatorOption">Calculator option</param>
        /// <returns></returns>
        public static double FuelCalcByRevInjPW(double elaspedMillisecond, double engineRev, double injectionPulseWidth, FuelTripCalculatorOption calculatorOption)
        {
            double GasConsumptionCoefficient = calculatorOption.FuelCorrectionFactor;
            int    NumCylinder      = calculatorOption.NumCylinder;
            double InjectorCapacity = calculatorOption.InjectorCapacity;
            double InjectionLatency = calculatorOption.InjectionLatency;

            double momentaryFuelConsumption;

            if (engineRev > 500) //Calculate fuel consumption only if the rev is over idling rev.
            {
                momentaryFuelConsumption = GasConsumptionCoefficient * (double)NumCylinder * (double)engineRev * InjectorCapacity * (injectionPulseWidth - InjectionLatency) / (7.2E9) * elaspedMillisecond / 1000;
            }
            else
            {
                momentaryFuelConsumption = 0;
            }

            //If the calculated momentary fuel consumption is negative, override by zero.
            if (momentaryFuelConsumption < 0)
            {
                momentaryFuelConsumption = 0;
            }

            return(momentaryFuelConsumption);
        }
コード例 #5
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        private double getMomentaryTrip(long elasped_millisecond, double currentVehicleSpeed, FuelTripCalculatorOption calculatorOption)
        {
            double TripCoefficient = calculatorOption.TripCorrectionFactor;
            double monentary_trip  = TripCoefficient * (currentVehicleSpeed) / 3600 / 1000 * elasped_millisecond;

            return(monentary_trip);
        }