.Modelica_LinearSystems2.Internal.frequencyResponseGain

Information

Syntax

frequencyResponseGain(A, B, C, D, Zeros, Poles)

Description

Compute the gain of a frequency response based on zeros and poles. The system must be a SISO system, i.e. size(D, 1) = size(D, 2) = 1.

Interface

encapsulated function frequencyResponseGain
  extends Modelica.Icons.Function;
  import Modelica;
  import Modelica_LinearSystems2.Internal;
  input Real A[:, size(A, 1)] "A-matrix of linear state space system";
  input Real B[size(A, 1), :] "B-matrix of linear state space system";
  input Real C[:, size(A, 1)] "C-matrix of linear state space system";
  input Real D[size(C, 1), size(B, 2)] "D-matrix of linear state space system";
  input Real Zeros[:, 2] "Zeros of state space system as Real matrix (first column: real, second column imaginary values)";
  input Real Poles[:, 2] "Poles of state space system as Real matrix (first column: real, second column imaginary values)";
  output Real gain "y(s) = gain*(s-z1)*(s-z2)*...*(s-zm)/((s-p1)*(s-p2)*...(s-pn))";
end frequencyResponseGain;