SIMULINK Time Optimization

Question

Jacob 2011-12-20

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https://ww2.mathworks.cn/matlabcentral/answers/24447-simulink-time-optimization

Hello,

I want to optimize my SIMULINK model (run from an .m script) so that based on initial parameters I can quickly hone in on a final value by adjusting the simulation time. But I want the simulation to also be very accurate (down to about 10^-5), but in order to do so it takes a whole lot of time, and can run into a never-ending loop based on how I am running it.

Is there an easy way to do this?

Thanks, Jake

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Answer 1

Fangjun Jiang 2011-12-21

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https://ww2.mathworks.cn/matlabcentral/answers/24447-simulink-time-optimization#answer_32114

In the "Sinks" library, there is a block called "Stop Simulation". You can construct a logic (e.g. compare your output against 10e-5). If the logic is true, it will stop the simulation.

You can set your simulation's stop time as inf (infinite) and rely on the logic to stop the simulation. If you log the simulation time "tout", you can find out what exact time it stopped.