Systems with two different execution rates
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Samy Alkhayat
le 18 Oct 2022
Commenté : Samy Alkhayat
le 21 Oct 2022
Hello,
I want to simulate 2 models that execute at 2 different rates
System 1 output (at 20 ms) is an input to system 2 (which executes at 10 ms), and system 2 output goes back to system 1 as a feedback signal.
How can this be accomplished in Simulink environment?
Thanks in anvance!
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Walter Roberson
le 21 Oct 2022
If what you have is two blocks (or subsystems) both inside the same model, then you could use https://www.mathworks.com/help/simulink/slref/ratetransition.html rate transition block .
I am not familiar enough with Simulink to know all of the conditions under which blocks can end up running at different rates. I know that when you use a Simulink buffer block or a conversion between pixel streams and frames such as convertToFrames that the other side of the block is considered to run at a different rate.
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Paul
le 18 Oct 2022
Hi Samy,
If so, and if you have at least R2022a, I suggest you check out this blog post, the comments at the bottom, and the links to the relevant doc pages. If you don't have 2022a, I don't think it can be done (I could be wrong).
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