I wanna trigger a subsystem when it sees rising edge for the first time and disable the subsystem permanently when it sees the falling edge for the first time. How can we achieve this using Enable & triggered subsystems block?

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Sudha 2013-2-27

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I wanna trigger a subsystem when it sees rising edge for the first time and disable the subsystem permanently when it sees the falling edge for the first time. How can we achieve this using Enable & triggered subsystems block? Is there any other method or block to achieve the same?

Thanks

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TAB 2013-2-27

Are you open to use stateflow? Implementing complex logical requirements are much simpler with Stateflow.

Kaustubha Govind 2013-2-27

If you'd like to continue using Triggered Subsystem, you will need to construct a pulse signal for the trigger signal, which only rises once. If it never has a rising edge again, the subsystem will never run again.

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Answer 1

Ryan G 2013-2-27

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编辑：Ryan G 2013-2-27

This actually isn't to tough to implement with an extra enabled subsystem. Long term, if you have a lot of logic controlling the system, stateflow is the proper choice.