Hold a value indefinitely once a condition becomes true

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I have a simulink block diagram which gives true or false based on a condition (relational operator). My problem is that once I get true for the first time, I want to stop checking the condition and just output true for the rest of simulation time. How can I do that in SIMULINK?

Accepted Answer

Jim Riggs
Jim Riggs on 13 Oct 2022

More Answers (1)

Les Beckham
Les Beckham on 13 Oct 2022
One way would be to route the output of the relational operator to two places: (1) a summing junction or an OR block, and (2) a memory block or unit delay block if your signals are discrete time. Then connect the output of the memory block to the other input of the OR block. I don't have Simulink right now or I'd create an example.

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