// -------------------------------------------------------------------------------------
// !!! PRIVATE METHODS !!!
// -------------------------------------------------------------------------------------
/// <summary>
/// Calculates sum of setpoint control errors
/// </summary>
/// <param name="mySensors">sensors object with all measurements</param>
/// <param name="myPlant">plant object</param>
/// <param name="myFitnessParams">fitness params</param>
/// <param name="noisy">if true then noisy measurements are used</param>
/// <returns></returns>
private static double calc_setpoint_errors(sensors mySensors, plant myPlant,
biooptim.fitness_params myFitnessParams, bool noisy)
{
double diff_setpoints = 0; // to be returned value: control setpoint error
double[] sim_t = mySensors.getTimeStream();
double t = mySensors.getCurrentTime();
double sim_val, ref_val; // last simulated value and reference value at time t
//
if (sim_t.Length > 3)
{
foreach (biooptim.setpoint mySetpoint in myFitnessParams.mySetpoints)
{
if (mySetpoint.s_operator == "") // then compare measurement of one sensor
{
string sensor_id = mySetpoint.sensor_id + "_" + mySetpoint.location;
// get reference values always not noisy
ref_val = mySensors.getMeasurementDAt(String.Format("ref_{0}_{1}", sensor_id, mySetpoint.index),
"", t, 0, false);
sim_val = mySensors.getCurrentMeasurementDind(sensor_id, mySetpoint.index, noisy);
}
else // compare measurement of a group of sensors, energy of all chps, gas of all digesters, ...
{
string s_operator = mySetpoint.location + "_" + mySetpoint.s_operator;
// get reference values always not noisy
ref_val = mySensors.getMeasurementDAt(
String.Format("ref_{0}_{1}", mySetpoint.sensor_id, mySetpoint.index),
"", t, 0, false);
sim_val = mySensors.getCurrentMeasurementDind(myPlant, mySetpoint.sensor_id, s_operator,
mySetpoint.index, noisy);
}
diff_setpoints += mySetpoint.scalefac * Math.Pow(ref_val - sim_val, 2);
}
}
return(diff_setpoints);
}
/// <summary>
/// Calc u prime for substrate feed of all substrates saved in sensors at the
/// current time
/// </summary>
/// <param name="mySensors"></param>
/// <param name="mySubstrates"></param>
/// <returns>|| u'(t) ||_2^2, where u is the vector of substrate feeds</returns>
private double calcudot(biogas.sensors mySensors, biogas.substrates mySubstrates)
{
double t2 = mySensors.getCurrentTime();
if (t2 < 0) // no recorded value yet in no sensor
{
return(0);
}
double t1 = mySensors.getPreviousTime();
double[] Q1, Q2;
// TODO
// wenn init substrate feed nicht gegeben ist, dann ist am anfang der simulation
// Q2 = Q1
// aktuell berechne ich in MATLAb noch init_substrate feed und addiere das am ende
// zu udot hinzu, sollte erstmal ok sein
mySensors.getMeasurementsAt("Q", "Q", t1, mySubstrates, out Q1);
mySensors.getMeasurementsAt("Q", "Q", t2, mySubstrates, out Q2);
//
double udot = 0;
for (int isubstrate = 0; isubstrate < mySubstrates.getNumSubstrates(); isubstrate++)
{
double u1 = Q1[isubstrate];
double u2 = Q2[isubstrate];
double udot1 = calcudot(t1, t2, u1, u2);
udot += udot1 * udot1;
}
return(udot);
}