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Trimming und Linearisierung

Identifizierung von stationären Punkten, Extrahierung eines linearen Modells um den Betriebspunkt

Simulink®-Software bietet nur elementare Trimming- und Linearisierungsfunktionen. Um die vollständigen Trimm- und Linearisierungsfunktionen zu erhalten, verwenden Sie die Simulink Control Design-Software.

Simulink Control Design™ ermöglicht es Ihnen, Betriebspunkte zu finden und exakte Linearisierungen von Simulink-Modellen bei verschiedenen Betriebsbedingungen zu berechnen. Außerdem bietet es Tools, mit denen Sie simulationsbasierte Frequenzgänge berechnen können, ohne Ihr Modell zu verändern.

Funktionen

alle erweitern

findopSteady-state operating point from specifications (trimming) or simulation
linearizeLinear approximation of Simulink model or subsystem
slLinearizerInterface for batch linearization of Simulink models
trimFind trim point of dynamic system
dlinmodExtract discrete-time linear state-space model around operating point
linmodExtract continuous-time linear state-space model around operating point using block by block linearization algorithm
linmod2Extract continuous-time linear state-space model around operating point using algorithm that reduces truncation error
linmodv5Extract continuous-time linear state-space model around operating point using full model perturbation algorithm

Blöcke

Timed-Based LinearizationGenerate linear models in base workspace at specific times
Trigger-Based LinearizationGenerate linear models in base workspace when triggered
Trigger-Based Operating Point SnapshotGenerate operating points at triggered events

Apps

Model LinearizerLinearize Simulink models

Tools

Control Design Onramp with SimulinkFree, self-paced, interactive Simulink Control Design course (Seit R2020b)

Themen

Simulink Control Design

  • Compute Steady-State Operating Points (Simulink Control Design)
    To obtain a steady-state operating point, you can trim your model using numerical optimization techniques or simulate your model until it reaches a steady-state condition.
  • Linearize Nonlinear Models (Simulink Control Design)
    Obtain a linear approximation of a nonlinear system that is valid in a small region around an operating point.
  • Choose Linearization Tools (Simulink Control Design)
    Simulink Control Design software lets you perform linear analysis of nonlinear models using a user interface, functions, or blocks.
  • Linearize Simulink Model at Model Operating Point (Simulink Control Design)
    Linearize a model at its operating point consisting of initial state values and input signals.
  • Linearize at Trimmed Operating Point (Simulink Control Design)
    You can linearize a Simulink model at an operating point that meets specified input, output, or state constraints.

Simulink

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