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Build a Hybrid Model

2-29

Build a Hybrid Model

In this section...

“Overview” on page 2-29

“Lesson 1: Run the Time-Based Model” on page 2-30

“Lesson 2: Explore the Time-Based Model” on page 2-32

“Lesson 3: Add Event-Based Behavior” on page 2-35

“Lesson 4: Run the Hybrid Model” on page 2-40

“Event-Based and Time-Based Dynamics in the Simulation” on page 2-42

Overview

This tutorial shows you how to add SimEvents blocks to an existing Simulink model to

create a hybrid model. In SimEvents, a hybrid model is one that incorporates both time-

based and event-based modeling.

The Simulink model is an anti-lock braking system (ABS). You introduce discrete-event

blocks that simulate a network delay effect between the ABS controller and the braking

system, creating a simple distributed control system. The completed model, shown in the

graphic below, will illustrate the negative effects of communication delays on the overall

braking performance.

You will:

• Use SimEvents gateway blocks to convert time-based signals to event-based signals

and vice-versa.

• Attach data from time-based dynamics to SimEvents entities whose timing is

independent of the time-based dynamics.

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MATLAB SIMEVENTS RELEASE NOTES Guia do Utilizador Página 51