functionbode

Plot transfer function as bode plot

Extends from Modelica_LinearSystems2.Internal.PartialPlotFunction (Interface of a plot function).

Information

Syntax

TransferFunction.Plot.bode(tf)
   or
TransferFunction.Plot.bode(
  tf,
  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

  TransferFunction s = Modelica_LinearSystems2.TransferFunction.s();
  Modelica_LinearSystems2.TransferFunction tf =(s^2 + 5*s + 7)/(s^2 + 5*s + 6);

algorithm
  Modelica_LinearSystems2.TransferFunction.Plot.plotBode(tf)
//  gives:

Inputs

Type	Name	Default	Description
TransferFunction	tf		Transfer function to be plotted
Integer	nPoints	200	Number of points
Boolean	autoRange	true	True, if abszissa range is automatically determined
SI.Frequency	f_min	0.1	Minimum frequency value, if autoRange = false
SI.Frequency	f_max	10	Maximum frequency value, if autoRange = false
Boolean	magnitude	true	= true, to plot magnitude
Boolean	phase	true	= true, to plot phase
Plot.Records.Diagram	defaultDiagram (from PartialPlotFunction)		Default diagram layout
Plot.Records.Device	device (from PartialPlotFunction)	Modelica_LinearSystems2.Utilities.Plot.Records.Device()	Properties of device where figure is shown
Boolean	Hz	true	= true, to plot abszissa in [Hz], otherwise in [rad/s] (= 2piHz)
Boolean	dB	false	= true, to plot magnitude in [], otherwise in [dB] (=20*log10(value))