#1890 further improved (Complex matrix vector multiplication added in…

… MSL trunk) As suggested, introduced function MatrixVectorProduct and used it. This works in Dymola. git-svn-id: https://svn.modelica.org/projects/Modelica/trunk@9051 7ce873d0-865f-4ce7-a662-4bb36ea78beb
modelica · Feb 18, 2016 · 563e24c · 563e24c
1 parent 7d7f4ee
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Showing 3 changed files with 29 additions and 10 deletions.
diff --git a/Modelica/ComplexMath.mo b/Modelica/ComplexMath.mo
@@ -316,6 +316,15 @@ to the original vector are given, such that sorted_v = v[indices].
 </html>"));
 end sort;
 
+  function matrixVectorProduct "Returns M*v of a Complex matrix M and a Complex vector v"
+    extends Modelica.Icons.Function;
+    input Complex M[:,:] "Complex matrix";
+    input Complex v[size(M,2)] "Complex vector";
+    output Complex result[size(M,1)] "Complex result vector M*v";
+  algorithm
+    result:={Modelica.ComplexMath.'sum'({M[j,k]*v[k] for k in 1:size(M,2)}) for j in 1:size(M,1)};
+    annotation(Inline=true);
+  end matrixVectorProduct;
   annotation(Documentation(info="<html>
 <p>
 This library provides functions operating on vectors

diff --git a/Modelica/Electrical/QuasiStationary/MultiPhase.mo b/Modelica/Electrical/QuasiStationary/MultiPhase.mo
@@ -2018,17 +2018,21 @@ This block determines the continuous quasi <a href=\"Modelica://Modelica.Blocks.
 
     block SymmetricalComponents
       "Creates symmetrical components from signals representing quasi static phasors"
+      import Modelica.ComplexMath.Vectors.matrixVectorProduct;
       extends Modelica.ComplexBlocks.Interfaces.ComplexMIMO(final nin=m,final nout=m);
       parameter Integer m=3 "Number of phases";
     protected
       final parameter Complex sTM[m, m]=
         Modelica.Electrical.MultiPhase.Functions.symmetricTransformationMatrix(m);
     equation
       // Symmetrical components (preferred): y = sTM*u;
-      for j in 1:m loop
-        y[j] = Complex(sum({sTM[j,k].re*u[k].re - sTM[j,k].im*u[k].im for k in 1:m}),
-                       sum({sTM[j,k].re*u[k].im + sTM[j,k].im*u[k].re for k in 1:m}));
-      end for;
+      /*
+  for j in 1:m loop
+    y[j] = Complex(sum({sTM[j,k].re*u[k].re - sTM[j,k].im*u[k].im for k in 1:m}),
+                   sum({sTM[j,k].re*u[k].im + sTM[j,k].im*u[k].re for k in 1:m}));
+  end for;
+  */
+      y = matrixVectorProduct(sTM,u);
       annotation ( Icon(coordinateSystem(
               preserveAspectRatio=false, extent={{-100,-100},{100,100}}),
             graphics={

diff --git a/Modelica/Magnetic/QuasiStatic/FundamentalWave.mo b/Modelica/Magnetic/QuasiStatic/FundamentalWave.mo
@@ -3103,6 +3103,7 @@ relationship of the voltage and current space phasor.
     model MultiPhaseElectroMagneticConverter
       "Multi phase electro magnetic converter"
       import Modelica.Constants.pi;
+      import Modelica.ComplexMath.Vectors.matrixVectorProduct;
       constant Complex j=Complex(0, 1);
       Modelica.Electrical.QuasiStationary.MultiPhase.Interfaces.PositivePlug
         plug_p(final m=m) "Positive plug" annotation (Placement(transformation(
@@ -3185,12 +3186,17 @@ relationship of the voltage and current space phasor.
         "Indices of all positive sequence components";
     equation
       // Symmetrical components (preferred): vSymmetricalComponent = sTM*v; iSymmetricalComponent = sTM*i;
-      for j in 1:m loop
-        vSymmetricalComponent[j] = Complex(sum({sTM[j,k].re*v[k].re - sTM[j,k].im*v[k].im for k in 1:m}),
-                                           sum({sTM[j,k].re*v[k].im + sTM[j,k].im*v[k].re for k in 1:m}));
-        iSymmetricalComponent[j] = Complex(sum({sTM[j,k].re*i[k].re - sTM[j,k].im*i[k].im for k in 1:m}),
-                                           sum({sTM[j,k].re*i[k].im + sTM[j,k].im*i[k].re for k in 1:m}));
-      end for;
+      /*
+  for j in 1:m loop
+    vSymmetricalComponent[j] = Complex(sum({sTM[j,k].re*v[k].re - sTM[j,k].im*v[k].im for k in 1:m}),
+                                       sum({sTM[j,k].re*v[k].im + sTM[j,k].im*v[k].re for k in 1:m}));
+    iSymmetricalComponent[j] = Complex(sum({sTM[j,k].re*i[k].re - sTM[j,k].im*i[k].im for k in 1:m}),
+                                       sum({sTM[j,k].re*i[k].im + sTM[j,k].im*i[k].re for k in 1:m}));
+  end for;
+ */
+     vSymmetricalComponent = matrixVectorProduct(sTM,v);
+     iSymmetricalComponent = matrixVectorProduct(sTM,i);
+
       // Magnetic flux and flux balance of the magnetic ports
       port_p.Phi = Phi;
       port_p.Phi + port_n.Phi = Complex(0, 0);