How to make a Simulink block constant, execute only once?
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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.
TAB on 17 Aug 2018
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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