TransferFunction.Plot.timeResponse(tf); or TransferFunction.Plot.timeResponse( tf, dt, tSpan, response, x0, defaultDiagram=Modelica_LinearSystems2.Internal.DefaultDiagramTimeResponse(), device=Modelica_LinearSystems2.Utilities.Plot.Records.Device())
This function plots the time response of a transfer function. The character of the time response if defined by the input response, i.e. Impulse, Step, Ramp, or Initial.
TransferFunction s = Modelica_LinearSystems2.TransferFunction.s(); Modelica_LinearSystems2.TransferFunction tf =(s + 1)/(s^2 + 5*s + 12); Types.TimeResponse response = Modelica_LinearSystems2.Utilities.Types.TimeResponse.Step; algorithm Modelica_LinearSystems2.TransferFunction.Plot.timeResponse(tf, dt=0.02, tSpan=3, response=response) // gives:
impulse, step, ramp, initialResponse
encapsulated function timeResponse import Modelica; import Modelica_LinearSystems2; import Modelica_LinearSystems2.TransferFunction; import Modelica_LinearSystems2.Utilities.Types.TimeResponse; import Modelica_LinearSystems2.Utilities.Plot; input Modelica_LinearSystems2.TransferFunction tf; input Real dt = 0 "Sample time [s]"; input Real tSpan = 0 "Simulation time span [s]"; input Modelica_LinearSystems2.Utilities.Types.TimeResponse response = Modelica_LinearSystems2.Utilities.Types.TimeResponse.Step "type of time response"; input Real x0[TransferFunction.Analysis.denominatorDegree(tf)] = zeros(TransferFunction.Analysis.denominatorDegree(tf)) "Initial state vector"; extends Modelica_LinearSystems2.Internal.PartialPlotFunction(defaultDiagram = Modelica_LinearSystems2.Internal.DefaultDiagramTimeResponse(heading = "Time response of tf = " + String(tf))); end timeResponse;