Does this example from 2015 work on 2023b Simscape?

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Roman
Roman 2024-1-29
回答： ag 2024-2-9
Hello, I hope you can help me with this problem.
I am doing my master thesis about mechanical DC circuit breakers and am studying the related arc physics. I found a very good Simulink example:
https://se.mathworks.com/matlabcentral/fileexchange/56887-simulation-of-an-electric-arc-in-circuit
Should this example work in 2023b?
I implemented it into my library and it is still not working and I start thinking it is because this is a 2015 version. To be honest I am not sure if I implemented it correctly. I can see the block with appropiate appereance but I am not sure if the data behind is correctly.
Thank you in advance
Regards
Roman

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回答（1 个）

ag
ag 2024-2-9
Hi Roman,
The problem that you are facing is because the simscape code was done with MATLAB 2015, and to use it in the newer versions of MATLAB(2023B), you can modify the below blocks in the simscape file as shown(path - "Matlab Electric Arc Model/Simulink Simscape/+ArcLib/IdealArc.ssc"),
function setup
%Initial conditions
v={ 0.0, 'V' };
i={ 0.0, 'A' };
it={ 0.0, 'A' };
end
equations
v == p.v-n.v;
it == i + TauI*i.der;
v + TauV*v.der == a*Rc*(it)/(Rc*(it)*atan(b*(it)*{1,'1/A'})+a);
end
This fix has been provided in the Discussions tab of the File exchange page.
Hope this helps!

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