Simulink FastRestart doesnt change output

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Marcus Heßeling
Marcus Heßeling 2021-2-16
评论： Ahmed Fahmy 2022-2-21
Hey Guys,
i have a simulink model in a for loop. Every Iteration i change parameters in my system. If i run the system without Fast Restart, it changes it outcome as it should. But when i activate FastRestart in my model the output is always the same.
My Code is:
for k=1:3
alpha = [50-k,100+k,125-k,85+k];
s = [3-0.01*k,4+0.01*k,4-0.01*k];
t = [3+0.01*k,4-0.01*k,4+0.01*k];
geometrics = getGeometrics(alpha,s,t); %returns a strucArray. The Geometrics are used as length and angle Parameters in the Simulation
%start simulation
simOut = sim('Model.slx','CaptureErrors','on','SrcWorkspace','current');
%Solution
pos1 = simOut.xx.data;
disp(['Position: ' num2str(pos1), 'cm')]);
end
% The Display in normal like 1cm, 2cm, 3cm and in FastRestart 1cm, 1cm, 1cm
I have no idea why my output doesnt change in FastRestart. In
https://de.mathworks.com/help/simulink/ug/fast-restart-workflow.html
it is written that all my blocks must support ModelOperatingPoint but i dont know how to check that either.
  1 个评论
Ahmed Fahmy
Ahmed Fahmy 2022-2-21
I have a similar issue reported here https://www.mathworks.com/matlabcentral/answers/1653390-simscape-resistance-randomization-does-not-occur-when-running-simulation-with-fast-restart but it is more with random tolerance of simscape components
But I tried something similar to what you did with fast restart and it worked fine with me. So I am curious to know how are you passing the swept parameters to your model? are you using from_work_space block or just using them as mask parameters of some blocks?

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