public void calc()
{
int len = Barray.Length;
// table phid-fz
Vector <double> Fz_vector = mybuilder.Dense(len, i => Harray[i] * lz);
Vector <double> phid_Fz_vector = mybuilder.Dense(len, i => Barray[i] * Sz + Fz_vector[i] * Pslot);
// table phid-fy
Vector <double> Fy_vector = mybuilder.Dense(len, i => Harray[i] * ly);
Vector <double> phid_Fy_vector = mybuilder.Dense(len, i => Barray[i] * Sy);
// reshape phid-fy, using interpolation to create new vector corresponding with phid_fy = phid_fz
Vector <double> phid_vector = mybuilder.DenseOfVector(phid_Fz_vector);//same phid table for all
LinearSpline ls = LinearSpline.Interpolate(phid_Fy_vector.ToArray(), Fy_vector.ToArray());
Vector <double> eqvFy_vector = mybuilder.Dense(len, i => ls.Interpolate(phid_vector[i]));
// table f_phid
Vector <double> f_phid = mybuilder.Dense(len, i => phid_vector[i] / Pd + Fz_vector[i] + eqvFy_vector[i] - (phiR - phiHFe - phid_vector[i]) / (PM + PFe + Pb));
// calc phiD
ls = LinearSpline.Interpolate(f_phid.ToArray(), phid_vector.ToArray());
phiD = ls.Interpolate(0);
FM = (phiR - phiHFe - phiD) / (PM + PFe + Pb);
phib = FM * Pb;
phiFe = phiHFe + FM * PFe;
phiM = phiD + phib + phiFe;
ls = LinearSpline.Interpolate(phid_vector.ToArray(), Fz_vector.ToArray());
Fz = ls.Interpolate(phiD);
ls = LinearSpline.Interpolate(phid_vector.ToArray(), eqvFy_vector.ToArray());
Fy = ls.Interpolate(phiD);
}
/// <summary>
/// Correction #1 - The Previous Object
/// Estimate how second-last object placement affects the difficulty of hitting current object.
/// </summary>
private static double calculatePreviousObjectPlacementCorrection(MovementExtractionParameters p)
{
if (p.SecondLastObject == null || p.LastToCurrent.RelativeLength == 0)
{
return(0);
}
Debug.Assert(p.SecondLastToLast != null);
double movementLengthRatio = p.LastToCurrent.TimeDelta / p.SecondLastToLast.Value.TimeDelta;
double movementAngleCosine = cosineOfAngleBetweenPairs(p.SecondLastToLast.Value, p.LastToCurrent);
if (movementLengthRatio > movement_length_ratio_threshold)
{
if (p.SecondLastToLast.Value.RelativeLength == 0)
{
return(0);
}
double angleCorrection = correction_moving_spline.Interpolate(movementAngleCosine);
double movingness = SpecialFunctions.Logistic(p.SecondLastToLast.Value.RelativeLength * 6 - 5) - SpecialFunctions.Logistic(-5);
return(movingness * angleCorrection * 1.5);
}
if (movementLengthRatio < 1 / movement_length_ratio_threshold)
{
if (p.SecondLastToLast.Value.RelativeLength == 0)
{
return(0);
}
return((1 - movementAngleCosine) * SpecialFunctions.Logistic((p.SecondLastToLast.Value.RelativeLength * movementLengthRatio - 1.5) * 4) * 0.3);
}
p.LastObjectTemporallyCenteredBetweenNeighbours = true;
// rescale SecondLastToLast so that it's comparable timescale-wise to LastToCurrent
var timeNormalisedSecondLastToLast = -p.SecondLastToLast.Value.RelativeVector / p.SecondLastToLast.Value.TimeDelta * p.LastToCurrent.TimeDelta;
// transform secondLastObject to coordinates anchored in lastObject
double secondLastTransformedX = timeNormalisedSecondLastToLast.DotProduct(p.LastToCurrent.RelativeVector) / p.LastToCurrent.RelativeLength;
double secondLastTransformedY = (timeNormalisedSecondLastToLast - secondLastTransformedX * p.LastToCurrent.RelativeVector / p.LastToCurrent.RelativeLength).L2Norm();
double correctionSecondLastFlow = AngleCorrection.FLOW_SECONDLAST.Evaluate(p.LastToCurrent.RelativeLength, secondLastTransformedX, secondLastTransformedY);
double correctionSecondLastSnap = AngleCorrection.SNAP_SECONDLAST.Evaluate(p.LastToCurrent.RelativeLength, secondLastTransformedX, secondLastTransformedY);
double correctionSecondLastStop = SpecialFunctions.Logistic(10 * Math.Sqrt(secondLastTransformedX * secondLastTransformedX + secondLastTransformedY * secondLastTransformedY + 1) - 12);
p.SecondLastToCurrentFlowiness = SpecialFunctions.Logistic((correctionSecondLastSnap - correctionSecondLastFlow - 0.05) * 20);
return(PowerMean.Of(new[] { correctionSecondLastFlow, correctionSecondLastSnap, correctionSecondLastStop }, -10) * 1.3);
}
public InjectWithdrawRange GetInjectWithdrawRange(double inventory)
{
double maxInjectWithdrawRate = _maxInjectWithdrawLinear.Interpolate(inventory);
double minInjectWithdrawRate = _minInjectWithdrawLinear.Interpolate(inventory);
return(new InjectWithdrawRange(minInjectWithdrawRate, maxInjectWithdrawRate));
}
public double GetDF(Date date)
{
double rate = spline.Interpolate(date);
double df = Math.Exp(-rate * (date - anchorDate.value) / 365.0);
return(underlyingCurve.GetDF(date) * df);
}
protected void UpdateInterpolation()
{
int count = _keyFrames.Count;
var xs = new double[count];
var ys = new double[count];
for (int i = 0; i < count; ++i)
{
xs[i] = (double)_keyFrames[i].time;
ys[i] = (double)_keyFrames[i].value;
}
if (count <= 1)
{
_interpolation = StepInterpolation.Interpolate(xs, ys);
}
else if (count <= 2)
{
_interpolation = LinearSpline.Interpolate(xs, ys);
}
else if (count <= 3)
{
_interpolation = MathNet.Numerics.Interpolate.Polynomial(xs, ys);
}
else if (count <= 4)
{
_interpolation = CubicSpline.InterpolateNatural(xs, ys);
}
else
{
_interpolation = CubicSpline.InterpolateAkima(xs, ys);
}
}
public static IInterpolation GetLinearInterpolationMethod(Peak peak)
{
peak.GetXAndYValuesAsLists(out var xValues, out var yValues);
IInterpolation interpolation = LinearSpline.Interpolate(xValues, yValues);
return(interpolation);
}
private void checkAndCreateSpline()
{
if (id_spline == null)
{
id_spline = LinearSpline.Interpolate(max_torques, idqs.Select(f => f.d));
iq_spline = LinearSpline.Interpolate(max_torques, idqs.Select(f => f.q));
maxTorque_spline = LinearSpline.Interpolate(idqs.Select(f => f.Magnitude), max_torques);
}
}
/// <summary>
/// Get max speed possible for given torque. Condition: Umax, Imax and max-torque-per-ample
/// </summary>
/// <param name="t"></param>
/// <returns></returns>
public double GetMaxSpeedForTorque(double t)
{
if (speed_spline == null)
{
speed_spline = LinearSpline.Interpolate(torques, speeds);
}
return(speed_spline.Interpolate(t));
}
public void FitsAtSamplePoints()
{
IInterpolation ip = LinearSpline.Interpolate(_t, _y);
for (int i = 0; i < _y.Length; i++)
{
Assert.AreEqual(_y[i], ip.Interpolate(_t[i]), "A Exact Point " + i);
}
}
private void InterpolateCvY(double value)
{
var interpColumnName = CvYColumnConverter.NameFromValue(value);
var interpTable = new TableProcessing.Table("Interpolate " + interpColumnName);
interpTable.AddColumn(tables.OrdinKtgr.Column("PY"));
var floorValue = double.NegativeInfinity;
var ceilValue = double.PositiveInfinity;
for (var i = 0; i < tables.OrdinKtgr.DataTable.Columns.Count; i++)
{
var column = tables.OrdinKtgr.DataTable.Columns[i];
if (column.ColumnName.IndexOf("CvY_", StringComparison.Ordinal) != 0)
{
continue;
}
var CV_value = CvYColumnConverter.ValueFromName(column.ColumnName);
if (CV_value < value)
{
floorValue = CV_value;
}
else if (CV_value > value)
{
ceilValue = CV_value;
break;
}
}
var floorStr = CvYColumnConverter.NameFromValue(floorValue);
var ceilStr = CvYColumnConverter.NameFromValue(ceilValue);
interpTable.AddColumn(tables.OrdinKtgr.Column(floorStr));
var column_res = interpTable.Column(interpColumnName);
interpTable.AddColumn(tables.OrdinKtgr.Column(ceilStr));
interpTable.IterateRows(row =>
{
double[] x = { floorValue, ceilValue };
double[] y =
{
row[floorStr].DoubleValue,
row[ceilStr].DoubleValue
};
var res = LinearSpline.Interpolate(x, y).Interpolate(value);
row.Set(column_res.Name, res);
}, column_res.Name);
tables.OrdinKtgr.AddColumn(interpTable.Column(interpColumnName));
}
public override void Calculate()
{
Times = Generate.LinearSpaced(base.Samples, base.Start, base.Start + base.Duration);
LinearSpline interpolator = (UserTimes.Length < 2)
? LinearSpline.InterpolateSorted(new double[] { UserTimes[0] + 1, UserTimes[0] }, new double[] { UserValues[0], UserValues[0] })
: LinearSpline.InterpolateSorted(UserTimes, UserValues);
values = Times.Select(t => interpolator.Interpolate(t)).ToArray();
}
public void SupportsLinearCase(int samples)
{
double[] x, y, xtest, ytest;
LinearInterpolationCase.Build(out x, out y, out xtest, out ytest, samples);
IInterpolation ip = LinearSpline.Interpolate(x, y);
for (int i = 0; i < xtest.Length; i++)
{
Assert.AreEqual(ytest[i], ip.Interpolate(xtest[i]), 1e-15, "Linear with {0} samples, sample {1}", samples, i);
}
}
public Func <double, double> MakeInterpolator(IEnumerable <double> x, IEnumerable <double> y)
{
SplineBoundaryCondition bc;
int xlength = x.Count();
int mode = InterpolationModeComboBox.SelectedIndex;
if (mode == 0 || mode == 1)
{
int order;
order = mode * 2 + 1; // linear => 1; cubic => 3
int npoints;
if (!int.TryParse(extrapolationPointsTextBox.Text, out npoints))
{
throw new Exception("Cannot parse number of points");
}
if (npoints > xlength)
{
throw new Exception("Too many points required");
}
if (npoints < order)
{
throw new Exception("More points must be used");
}
var leftInterp = Fit.PolynomialFunc(x.Take(npoints).ToArray(), y.Take(npoints).ToArray(),
order);
var rightInterp = Fit.PolynomialFunc(x.Reverse().Take(npoints).Reverse().ToArray(),
y.Reverse().Take(npoints).Reverse().ToArray(),
order);
double middlex = x.Skip((int)(xlength / 2)).First();
return(x2 => (x2 < middlex)?leftInterp(x2) : rightInterp(x2));
}
else if (mode == 5)
{
IInterpolation I = LinearSpline.Interpolate(x, y);
return(x2 => I.Interpolate(x2));
}
else
{
if (InterpolationModeComboBox.SelectedIndex == 1)
{
bc = SplineBoundaryCondition.ParabolicallyTerminated;
}
else
{
bc = SplineBoundaryCondition.Natural;
}
IInterpolation I = CubicSpline.InterpolateBoundaries(
x, y,
bc, 0, bc, 0); // Values are unused for natural and parabolic termination
return(x2 => I.Interpolate(x2));
}
}
public Fdq GetCurrentForTorque(double torque)
{
checkAndCreateSpline();
double id = id_spline.Interpolate(torque);
double iq = iq_spline.Interpolate(torque);
return(new Fdq()
{
d = id, q = iq
});
}
// This evaluates the SQUARED intergral of (S*Etan)
public static double TFInt(
Vector <Double> ETan_Z,
Vector <Complex> ETan_RMS,
Vector <Double> TF_Z,
Vector <Complex> TF_Sr
)
{
int num_points = 5000;
double zmin = Math.Max(TF_Z.Minimum(), ETan_Z.Minimum());
double zmax = Math.Min(TF_Z.Maximum(), ETan_Z.Maximum());
LinearSpline etansinterpR = LinearSpline.Interpolate(
ETan_Z, ETan_RMS.Real());
LinearSpline etansinterpI = LinearSpline.Interpolate(
ETan_Z, ETan_RMS.Imaginary());
LinearSpline TF_SrInterpR = LinearSpline.Interpolate(
TF_Z, TF_Sr.Real());
LinearSpline TF_SrInterpI = LinearSpline.Interpolate(
TF_Z, TF_Sr.Imaginary());
/*var ETanGridded = CreateVector.DenseOfEnumerable(
* zvals.Select(z => new Complex(
* etansinterpR.Interpolate(z), etansinterpI.Interpolate(z)))
* );
* var SrGridded = CreateVector.DenseOfEnumerable(
* zvals.Select(z => new Complex(
* TF_SrInterpR.Interpolate(z), TF_SrInterpI.Interpolate(z)))
* );*/
//var Z = SrGridded.PointwiseMultiply(ETanGridded);
// This is the integrand, SR*Etan
Func <double, Complex> SrEtan = (z) =>
{
var s = new Complex(
TF_SrInterpR.Interpolate(z), TF_SrInterpI.Interpolate(z));
var e = new Complex(
etansinterpR.Interpolate(z), etansinterpI.Interpolate(z));
return(s * e);
};
// And to integrate it, the real and imaginary components must be
// separately computed.
Complex sum =
new Complex(
NewtonCotesTrapeziumRule.IntegrateComposite(
(z => SrEtan(z).Real), zmin, zmax, num_points),
NewtonCotesTrapeziumRule.IntegrateComposite(
(z => SrEtan(z).Imaginary), zmin, zmax, num_points)
);
// Usually we need the magnitude squared (for the temperature calculations)
// But, the caller may find the square root, if needed, for example for voltages
double dT = sum.MagnitudeSquared();
return(dT);
}
/// <summary>
/// Interpolation of the interface points onto the equidistant Fourier points
/// </summary>
protected void InterpolateOntoFourierPoints(MultidimensionalArray interP, double[] samplP)
{
int numP = interP.Lengths[0];
// set interpolation data
double[] independentVal = new double[numP + 2];
double[] dependentVal = new double[numP + 2];
for (int sp = 1; sp <= numP; sp++)
{
independentVal[sp] = interP[sp - 1, 0];
dependentVal[sp] = interP[sp - 1, 1];
}
// extend the interpolation data for sample points at the boundary of the domain
independentVal[0] = interP[numP - 1, 0] - DomainSize;
dependentVal[0] = interP[numP - 1, 1];
independentVal[numP + 1] = interP[0, 0] + DomainSize;
dependentVal[numP + 1] = interP[0, 1];
switch (this.InterpolationType)
{
case Interpolationtype.LinearSplineInterpolation:
//LinearSplineInterpolation LinSpline = new LinearSplineInterpolation();
//LinSpline.Initialize(independentVal, dependentVal);
var LinSpline = LinearSpline.Interpolate(independentVal, dependentVal);
for (int sp = 0; sp < numFp; sp++)
{
samplP[sp] = LinSpline.Interpolate(FourierP[sp]);
//invDFT_coeff[sp] = (Complex)samplP[sp];
}
break;
case Interpolationtype.CubicSplineInterpolation:
//CubicSplineInterpolation CubSpline = new CubicSplineInterpolation();
//CubSpline.Initialize(independentVal, dependentVal);
var CubSpline = CubicSpline.InterpolateNatural(independentVal, dependentVal);
for (int sp = 0; sp < numFp; sp++)
{
samplP[sp] = CubSpline.Interpolate(FourierP[sp]);
//invDFT_coeff[sp] = (Complex)samplP[sp];
}
break;
default:
throw new NotImplementedException();
}
}
public double Interpolate(double x)
{
//double value = interpolation.Interpolate(x);
if (_xRange.Length < 3 || _yRange.Length < 3)
{
//return LinearSpline.InterpolateSorted(_xRange, _yRange).Interpolate(x);
return(LinearSpline.Interpolate(_xRange, _yRange).Interpolate(x));
}
else
{
return(CubicSpline.InterpolateNatural(_xRange, _yRange).Interpolate(x));
}
}
/// <summary>
/// Test using transient simulation
/// The netlist should contain a transient simulation. The first exporter is tested to the reference
/// </summary>
/// <param name="netlist">Netlist</param>
/// <param name="reft">Reference time values</param>
/// <param name="refv">Reference values</param>
protected void TestTransient(Netlist netlist, double[] reft, double[] refv)
{
var interpolation = LinearSpline.Interpolate(reft, refv);
netlist.OnExportSimulationData += (object sender, SimulationData data) =>
{
double time = data.GetTime();
double actual = netlist.Exports[0].Extract(data);
double expected = interpolation.Interpolate(time);
double tol = Math.Max(Math.Abs(actual), Math.Abs(expected)) * 1e-3 + 1e-12;
Assert.AreEqual(expected, actual, tol);
};
netlist.Simulate();
}
public void FirstDerivative()
{
IInterpolation ip = LinearSpline.Interpolate(_t, _y);
Assert.That(ip.Differentiate(-3.0), Is.EqualTo(1.0));
Assert.That(ip.Differentiate(-2.0), Is.EqualTo(1.0));
Assert.That(ip.Differentiate(-1.5), Is.EqualTo(1.0));
Assert.That(ip.Differentiate(-1.0), Is.EqualTo(-3.0));
Assert.That(ip.Differentiate(-0.5), Is.EqualTo(-3.0));
Assert.That(ip.Differentiate(0.0), Is.EqualTo(1.0));
Assert.That(ip.Differentiate(0.5), Is.EqualTo(1.0));
Assert.That(ip.Differentiate(1.0), Is.EqualTo(1.0));
Assert.That(ip.Differentiate(2.0), Is.EqualTo(1.0));
Assert.That(ip.Differentiate(3.0), Is.EqualTo(1.0));
}
/// <summary>
/// Interpolate the curve.
/// </summary>
/// <param name="date">The date at which the rate is required.</param>
/// <returns></returns>
public double InterpAtDate(Date date)
{
if (spline == null)
{
spline = LinearSpline.InterpolateSorted(this.dates, this.rates);
}
if (date.value < anchorDateValue)
{
throw new ArgumentException("Interpolation date (" + date.ToString() + ") is before the anchor date of the curve.(" + (new Date(anchorDateValue)).ToString() + ")");
}
if (date.value > dates.Last())
{
throw new ArgumentException("Interpolation date (" + date.ToString() + ") is after the last date on the curve.(" + (new Date(dates.Last())).ToString() + ")");
}
return(spline.Interpolate(date));
}
public static object[,] InterpLinear([ExcelArgument(Description = "A vector of x values. Must be in increasing order")] double[] knownX,
[ExcelArgument(Description = "A vector of y values. Must be the same length as knownX")] Double[] knownY,
[ExcelArgument(Description = "x values at which interpolation is required.")] Double[,] requiredX)
{
LinearSpline spline = LinearSpline.InterpolateSorted(knownX, knownY);
object[,] result = new object[requiredX.GetLength(0), requiredX.GetLength(1)];
for (int x = 0; x < requiredX.GetLength(0); x += 1)
{
for (int y = 0; y < requiredX.GetLength(1); y += 1)
{
result[x, y] = spline.Interpolate(requiredX[x, y]);
}
}
return(result);
}
private static double calcCorrection0Or3(double d, double x, double y,
LinearSpline kInterp, LinearSpline scaleInterp, LinearSpline[,] coeffsInterps)
{
double correction_raw = kInterp.Interpolate(d);
for (int i = 0; i < coeffsInterps.GetLength(0); i++)
{
double[] cs = new double[numCoeffs];
for (int j = 0; j < numCoeffs; j++)
{
cs[j] = coeffsInterps[i, j].Interpolate(d);
}
correction_raw += cs[3] * Math.Sqrt(Math.Pow((x - cs[0]), 2) +
Math.Pow((y - cs[1]), 2) +
cs[2]);
}
return(SpecialFunctions.Logistic(correction_raw) * scaleInterp.Interpolate(d));
}
public void DefiniteIntegral()
{
IInterpolation ip = LinearSpline.Interpolate(_t, _y);
Assert.That(ip.Integrate(-4.0, -3.0), Is.EqualTo(-0.5));
Assert.That(ip.Integrate(-3.0, -2.0), Is.EqualTo(0.5));
Assert.That(ip.Integrate(-2.0, -1.0), Is.EqualTo(1.5));
Assert.That(ip.Integrate(-1.0, 0.0), Is.EqualTo(0.5));
Assert.That(ip.Integrate(0.0, 1.0), Is.EqualTo(-0.5));
Assert.That(ip.Integrate(1.0, 2.0), Is.EqualTo(0.5));
Assert.That(ip.Integrate(2.0, 3.0), Is.EqualTo(1.5));
Assert.That(ip.Integrate(3.0, 4.0), Is.EqualTo(2.5));
Assert.That(ip.Integrate(0.0, 4.0), Is.EqualTo(4.0));
Assert.That(ip.Integrate(-3.0, -1.0), Is.EqualTo(2.0));
Assert.That(ip.Integrate(-3.0, 4.0), Is.EqualTo(6.5));
Assert.That(ip.Integrate(0.5, 1.5), Is.EqualTo(0.0));
Assert.That(ip.Integrate(-2.5, -1.0), Is.EqualTo(1.875));
}
/// <summary>
/// Setup the interpolated waveform
/// </summary>
/// <param name="ckt"></param>
public override void Setup(Circuit ckt)
{
if (Time == null || Time.Length < 2 || Value == null || Value.Length < 2)
{
throw new CircuitException("No timepoints");
}
// Sort the time points
Array.Sort(Time, Value);
// Create the linear interpolation
interpolation = LinearSpline.Interpolate(Time, Value);
per = Time[Time.Length - 1];
pw = double.PositiveInfinity;
for (int i = 1; i < Time.Length; i++)
{
pw = Math.Min(pw, Time[i] - Time[i - 1]);
}
cindex = 0;
}
private Fdq getCurrentForZone2(double torque, double speed, double Imax, double Umax)
{
VoltageLimitEllipse vle = null;
string key = string.Format("{0},{1},{2}", Imax, Umax, speed);
if (dict_vle.ContainsKey(key))
{
vle = dict_vle[key];
}
else
{
vle = buildVoltageLimitEllipse(speed, 100, Imax, Umax);
dict_vle[key] = vle;
}
var range = Enumerable.Range(0, vle.maxtorque_point);
// find point on Voltage limit ellipse that bring given torque
LinearSpline spline = LinearSpline.Interpolate(range.Select(i => vle.torques[i]), range.Select(i => vle.curve[i].d));
double id = spline.Interpolate(torque);
// get iq from this id
var maxiq_point = vle.curve[vle.maxtorque_point];
var minid_point = vle.curve[vle.minid_point];
if (id < maxiq_point.d || minid_point.d < id)
{
return(default(Fdq));
}
LinearSpline spline2 = LinearSpline.Interpolate(vle.curve.Select(f => f.d), vle.curve.Select(f => f.q));
double iq = spline2.Interpolate(id);
return(new Fdq
{
d = id,
q = iq,
});
}
private void Button_Click(object sender, RoutedEventArgs e)
{
show.addData(sample0.ToArray(), sample1.ToArray(), 0);
Stopwatch sw = new Stopwatch();
sw.Start();
var x = new double[Wnum];
var y = new double[Wnum];
IInterpolation spline = null;
switch (cbM.SelectedIndex)
{
case 1:
spline = CubicSpline.InterpolateAkimaSorted(sample0, sample1);
break;
default:
spline = LinearSpline.Interpolate(sample0, sample1);
break;
}
var Wdelta = (Wstop - Wstart) / Wnum;
for (int i = 0; i < Wnum; i++)
{
y[i] = Wstart + i * Wdelta;
x[i] = spline.Interpolate(y[i]);
}
sw.Stop();
var tm = sw.ElapsedMilliseconds;
show.addData(y, x, 1);
var sb = new StringBuilder();
sb.AppendLine("Time [ms] " + tm);
Results = sb.ToString();
}
public Func <double, double> CreateInterpolator([NotNull] IEnumerable <double> xCoords, [NotNull] IEnumerable <double> yCoords)
{
if (xCoords == null)
{
throw new ArgumentNullException(nameof(xCoords));
}
if (yCoords == null)
{
throw new ArgumentNullException(nameof(yCoords));
}
if (xCoords.Count() != yCoords.Count())
{
throw new ArgumentException("xCoords and yCoords must have the same number of elements.");
}
if (xCoords.Count() == 1) // Trivial case of a single point
{
double singleY = yCoords.Single();
return(x => singleY);
}
LinearSpline linearSpline = LinearSpline.Interpolate(xCoords, yCoords); // TODO use InterpolateSorted method?
return(linearSpline.Interpolate);
}
public override void RunAnalysis()
{
int len = Barray.Length;
// table phid-fz
Vector <double> Fz_vector = mybuilder.Dense(len, i => Harray[i] * lz);
Vector <double> phid_Fz_vector = mybuilder.Dense(len, i => Barray[i] * Sz + Fz_vector[i] * Pslot);
// table phid-fy
Vector <double> Fy_vector = mybuilder.Dense(len, i => Harray[i] * ly);
Vector <double> phid_Fy_vector = mybuilder.Dense(len, i => Barray[i] * Sy);
// reshape phid-fy, using interpolation to create new vector corresponding with phid_fy = phid_fz
Vector <double> phid_vector = mybuilder.DenseOfVector(phid_Fz_vector);//same phid table for all
LinearSpline ls = LinearSpline.Interpolate(phid_Fy_vector.ToArray(), Fy_vector.ToArray());
Vector <double> eqvFy_vector = mybuilder.Dense(len, i => ls.Interpolate(phid_vector[i]));
// table f_phid
Vector <double> f_phid = mybuilder.Dense(len, i => phid_vector[i] / Pd + Fz_vector[i] + eqvFy_vector[i] - (phiR - phiHFe - phid_vector[i]) / (PM + PFe + Pb));
var Results = new PMAnalyticalResults();
Results.Analyser = this;
this.Results = Results;
// calc phiD
ls = LinearSpline.Interpolate(f_phid.ToArray(), phid_vector.ToArray());
double phiD = ls.Interpolate(0);
double FM = (phiR - phiHFe - phiD) / (PM + PFe + Pb);
double phib = FM * Pb;
double phiFe = phiHFe + FM * PFe;
double phiM = phiD + phib + phiFe;
ls = LinearSpline.Interpolate(phid_vector.ToArray(), Fz_vector.ToArray());
double Fz = ls.Interpolate(phiD);
ls = LinearSpline.Interpolate(phid_vector.ToArray(), eqvFy_vector.ToArray());
double Fy = ls.Interpolate(phiD);
double Bdelta = phiD / (L * wd * 1e-6);
double BM = phiM / (L * wm * 1e-6);
double HM = FM / (lm * 1e-3);
double pc = phiM / (PM * FM);
double Bz = phiD / Sz;
double By = phiD / Sy;
double Vz = Sz * lz;
double Vy = Sy * ly;
double ro_ = 7800;//kg/m^3 - specific weight
double kPMz = 1.3 * Bz * Bz * ro_ * Vz;
double kPMy = 1.3 * By * By * ro_ * Vy;
Results.kPMz = kPMz;
Results.kPMy = kPMy;
// assign results
Results.phiD = phiD;
Results.Bdelta = Bdelta;
Results.phiM = phiM;
Results.BM = BM;
Results.FM = FM;
Results.HM = HM;
Results.pc = pc;
Results.phib = phib;
Results.phiFe = phiFe;
Results.Fz = Fz;
Results.Fy = Fy;
Results.Bz = Bz;
Results.By = By;
Results.wd = wd;
Results.gammaM = gammaM;
int q = Q / 3 / p / 2;
double kp = Math.Sin(Math.PI / (2 * 3)) / (q * Math.Sin(Math.PI / (2 * 3 * q)));
//Results.psiM = phiD * Nstrand * p * q * kp /*4 / Math.PI * Math.Sin(gammaM / 2 * Math.PI / 180)*/;
// Ld, Lq
//double In = 3;//Ampe whatever
//double Fmm = q * kp * Nstrand * In;
//double phidelta = (Fmm) / (1 / PMd + Fz / phiD + Fy / phiD) / 2;//2time,PMd=PM+Pdelta
//double psi = phidelta * q * kp * Nstrand;
//double LL = p * psi / In;
//Results.LL = LL;
//Results.Ld = 1.5 * LL;//M=-1/2L
//phidelta = (Fmm) / (1 / PMq + Fz / phiD + Fy / phiD) / 2;//
//psi = phidelta * q * kp * Nstrand;
//LL = p * psi / In;
//Results.Lq = 1.5 * LL;
// Resistant
Stator3Phase stator = Motor.Stator as Stator3Phase;
Results.R = stator.resistancePhase;
double delta2 = delta * 1.1;
double ns = 4 / Math.PI * kp * stator.NStrands * q;
double dmin = delta2;
double alphaM = Motor.Rotor is VPMRotor ? (Motor.Rotor as VPMRotor).alphaM : 180;
//double dmax = delta2 + lm / Math.Sin(alphaM);
double dmax = delta2 + Constants.mu_0 * L * wd * 1e-3 * (1 / (PM + PFe + Pb) + Fy / phiD + Fz / phiD);//* wd / wm2 * ((VPMRotor)Motor.Rotor).mu_M;
//double dmax = L * wd * 1e-3 * Constants.mu_0 / PMd;
//double dmin2 = 1 / Math.PI * ((180 - gammaM) * dmin + gammaM * dmax) * Math.PI / 180 - 2 / Math.PI * Math.Sin(gammaM * Math.PI / 180) * (dmax - dmin);
//double dmax2 = 1 / Math.PI * ((180 - gammaM) * dmin + gammaM * dmax) * Math.PI / 180 + 2 / Math.PI * Math.Sin(gammaM * Math.PI / 180) * (dmax - dmin);
//double a1 = 0.5 * (1 / dmin2 + 1 / dmax2) * 1e3;
//double a2 = 0.5 * (1 / dmin2 - 1 / dmax2) * 1e3;
//double a1 = 0.5 * (dmin + dmax) / (dmin * dmax) * 1e3;
//double a2 = 0.5 * (dmax - dmin) / (dmin * dmax) * 1e3;
// test override
double gm = gammaM * Math.PI / 180;
double a1 = 1 / Math.PI * (gm / dmax + (Math.PI - gm) / dmin) * 1e3;
double a2 = -2 / Math.PI * Math.Sin(gm) * (1 / dmax - 1 / dmin) * 1e3;
double L1 = (ns / 2) * (ns / 2) * Math.PI * Motor.Rotor.RGap * Motor.GeneralParams.MotorLength * 1e-6 * a1 * 4 * Math.PI * 1e-7;
double L2 = 0.5 * (ns / 2) * (ns / 2) * Math.PI * Motor.Rotor.RGap * Motor.GeneralParams.MotorLength * 1e-6 * a2 * 4 * Math.PI * 1e-7;
Results.dmin = dmin;
Results.dmax = dmax;
Results.L1 = L1;
Results.L2 = L2;
Results.Ld = 1.5 * (L1 - L2);
Results.Lq = 1.5 * (L1 + L2);
double psim = 2 * Math.Sin(gammaM * Math.PI / 180 / 2) * ns * Bdelta * Motor.Rotor.RGap * Motor.GeneralParams.MotorLength * 1e-6;
Results.psiM = psim;
// current demagnetizing
//Results.Ikm = 2 * phiR / PM / (kp * Nstrand * q); //old
double hck = Motor.Rotor is VPMRotor ? (Motor.Rotor as VPMRotor).Hck : 0;
Results.Ikm = Math.PI * (hck - HM) * lm * 1e-3 / (2 * q * Nstrand * kp);
dataValid = (Results.Ld > 0 && Results.Lq > 0 && Results.psiM >= 0 && gm > 0);
}
/// <summary>
/// Create a piecewise linear interpolation based on arbitrary points.
/// </summary>
/// <param name="points">The sample points t.</param>
/// <param name="values">The sample point values x(t).</param>
/// <returns>
/// An interpolation scheme optimized for the given sample points and values,
/// which can then be used to compute interpolations and extrapolations
/// on arbitrary points.
/// </returns>
/// <remarks>
/// if your data is already sorted in arrays, consider to use
/// MathNet.Numerics.Interpolation.LinearSpline.InterpolateSorted
/// instead, which is more efficient.
/// </remarks>
public static IInterpolation Linear(IEnumerable <double> points, IEnumerable <double> values)
{
return(LinearSpline.Interpolate(points, values));
}
public virtual double Interpolate_Linear(double[] x, double[] y, double xValue)
{
return(LinearSpline.Interpolate(x, y).Interpolate(xValue));
}