The simulink simulation slows down when I use a switch, it does not give any error but it stays at .5 second indifinitely!

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GD
GD 2015-2-10
编辑： Jesse 2025-11-27，17:09
I am trying to select one output from two blocks depending on certain conditions, and then forward that signal as input to another block, but the simulation almost comes to a standstill and I also get no error. What could be the problem?

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回答（2 个）

A Jenkins
A Jenkins 2015-2-10
编辑：A Jenkins 2015-2-10
You have not chosen the correct solver for your application.
You will need to use Simulation->Model Configuration Parameters->Solver to adjust your solver types, tolerances, and/or step sizes to account for the stiffness of the switch.
Jesse
Jesse 2025-11-27，17:09
编辑：Jesse 2025-11-27，17:09
The solution of changing the solver parameters didn't work for me, but I found a workaround :
instead of using the manual switch block, I use the signal compare switch connected to a constant controlled by a push button.
I think the manual switch block is simply broken so I will avoid it in the future.

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