Component models – www.mvstudium.com RAND MODEL DESIGNER 7 Component models – www.mvstudium.com.

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Presentation transcript:

Component models – www.mvstudium.com RAND MODEL DESIGNER 7 Component models – www.mvstudium.com

Control system in Simulink style disturbance signal demand signal

Transfer function for controller Proportional (P) Integral (I) Proportional plus integral (PI) proportional plus derivative control (PD) Proportional-integral-differential (PID)

Transfer functions for plant amplifier lag element oscillating system integrating element differentiator

Oscillating system + PID

Plant

Controller

Results Plant Plant + Control

Example with discontinuous control Equations for phase portrait switching line

Component model with Simulink’s blocks

F==sign() sign()

Control system with Control and Plant components

Plant (controlled object)

Control

Arctg() Sign() hybrid continuous

Modeling time and accuracy depends on numerical method

«Physical» modelling (Modelica approach)

Results

Index-2 system

Solution of index-2

Using numerical differentiation

Hybrid system

Opened

Closed

Save model as class

Transform to hybrid system

Switching between Activates

Variable structure

B-Chart changes structure

Initial state

Step 1

Step 2

Step 3