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How to make a Simulink block constant, execute only once?
Latest activity Answered by TAB
on 17 Aug 2018
- 10 questions asked
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I have a model in Simulink (2018a) which has more models inside. So I have:
parent.slx --> child.slx
I want child.slx to execute only once in the whole simulation, so basically its output will be constant at all times.
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1 Answer
- 10 questions asked
- 445 answers
- 249 accepted answers
- reputation: 1,556
Accepted Answer
Put your child model in Enabled Subsystem in parent model.
[parent.slx [Enabled Subsystem [Enchild.slx]]]
Enable the subsystem only once using "Stateflow" or using "Constant block + Unit delay Block arrangement".
Using "Constant block + Unit delay Block arrangement" you can do as below
[Constant(Value=0)]-->[Unit delay (Initial condition=1)]--> to enable port
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