.Modelica_LinearSystems2.ZerosAndPoles.Plot.bode

Information

Syntax

ZerosAndPoles.Plot.bode(zp)
   or
ZerosAndPoles.Plot.bode(
  zp,
  nPoints,
  autoRange,
  f_min,
  f_max,
  magnitude=true,
  phase=true,
  defaultDiagram=Modelica_LinearSystems2.Internal.DefaultDiagramBodePlot(),
  device=Modelica_LinearSystems2.Utilities.Plot.Records.Device() )

Description

This function plots the bode-diagram of a transfer function.

Example

  ZerosAndPoles p = Modelica_LinearSystems2.ZerosAndPoles.p();
  Modelica_LinearSystems2.ZerosAndPoles zp =(p^2 + 5*p + 7)/(p + 2)/(p + 3);

algorithm
  Modelica_LinearSystems2.ZerosAndPoles.Plot.bode(zp)
//  gives:

Interface

encapsulated function bode
  import Modelica;
  import Modelica_LinearSystems2;
  import Modelica_LinearSystems2.ZerosAndPoles;
  import Modelica_LinearSystems2.Math.Complex;
  import Modelica_LinearSystems2.Internal;
  import Modelica.Units.SI;
  import Modelica_LinearSystems2.Utilities.Plot;
  input ZerosAndPoles zp "ZerosAndPoles transfer function to be plotted";
  input Integer nPoints(min = 2) = 200 "Number of points";
  input Boolean autoRange = true "True, if abszissa range is automatically determined";
  input SI.Frequency f_min(min = 0) = 0.1 "Minimum frequency value, if autoRange = false" annotation(
    Dialog(enable = not autoRange));
  input SI.Frequency f_max(min = 0) = 10 "Maximum frequency value, if autoRange = false" annotation(
    Dialog(enable = not autoRange));
  input Boolean magnitude = true "= true, to plot magnitude" annotation(
    choices(checkBox = true));
  input Boolean phase = true "= true, to plot phase" annotation(
    choices(checkBox = true));
  extends Modelica_LinearSystems2.Internal.PartialPlotFunction(defaultDiagram = Modelica_LinearSystems2.Internal.DefaultDiagramBodePlot(heading = "Bode plot: " + String(zp)));
  input Boolean Hz = true "= true, to plot abszissa in [Hz], otherwise in [rad/s] (= 2*pi*Hz)" annotation(
    choices(checkBox = true));
  input Boolean dB = false "= true, to plot magnitude in [], otherwise in [dB] (=20*log10(value))" annotation(
    choices(checkBox = true),
    Dialog(enable = magnitude));
  input Boolean onFile = false "= true, if frequency response is stored on file as matrix [f,A,phi]" annotation(
    choices(checkBox = true));
  input String fileName = "frequencyResponse.mat" "If onFile=true, file on which the frequency response will be stored" annotation(
    Dialog(enable = onFile));
  input String matrixName = if Hz and not dB then "fHz_A_phiDeg" elseif Hz and dB then "fHz_AdB_phiDeg"
   elseif not Hz and dB then "f_AdB_phiDeg" else "f_A_phiDeg" "If onFile=true, Name of matrix on file" annotation(
    Dialog(enable = onFile));
end bode;