MATLAB: How to create a level triggered subsystem in simulink

level triggeredsimulinksimulink subsystemtriggered subsystem

I need an output from a triggered subsystem as long as a variable,say 'flag' remains high and the input to the subsystem keeps on changing while 'flag' is high.How to do this?

Best Answer

Use an "Enabled Subsystem" block or even the "Enabled and Triggered Subsystem" block.

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MATLAB: Event triggered subsystems in Simulink

Joseph,

You could use conditional subsystems, which include Enabled and Triggered subsystems.

Enabled subsystems have their own sample time, so they will continuously execute as long as the condition (your threshold, for instance) is true.

Triggered subsystems will execute once every time there is an "edge" or transition in the value of the condition -- for example, on the rising edge when the condition goes from false to true.

- Sebastian

MATLAB: How to detect Enable/Trigger/Function call subsystem

It should be:

en_ports = find_system(system_name, 'BlockType', 'EnablePort');
trig_ports = find_system(system_name, 'BlockType', 'TriggerPort');

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MATLAB: Event triggered subsystems in Simulink

MATLAB: How to detect Enable/Trigger/Function call subsystem

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