Problems with model behaviour, hanging-up in a loop.

Question

Joel 2015-2-21

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https://ww2.mathworks.cn/matlabcentral/answers/179549-problems-with-model-behaviour-hanging-up-in-a-loop

评论： Joel 2015-2-25

Hello everyone,

I am trying to model a rainwater harvesting system using Simscape. Currently I struggle to control my treatment unit. In case the water volume of the treatment's subsequent tank reaches a certain level, I want to pause the treatment. I am doing this by sending a signal to the pressure source advancing the treatment. If the treatment is meant to pause I simply set the implied pressure difference to zero. Now, whenever I hit my threshold and the system is meant to pause, it hangs-up.

I tried to do the sharp change manually. It worked fine. However, I want my system to run automatically.

I tried a lot of different things but to be honest, I don't really know or find the problem. I reckon it is associated with the signal to control the implied pressure, but how?

Any help and/or note is appreciated.

Thank you

Joel