I have found this video describing different results from XCOS vs. Simulink (
https://www.youtube.com/watch?v=uSWcjfjZU-Q
<https://www.youtube.com/watch?v=uSWcjfjZU-Q> )I was successful in the
replication of this error.Here is xcos block diagram (PID block coef. -
P=10, I=0, D=6):
<http://mailinglists.scilab.org/file/t497972/xcos_diagram.png> Here is the
result: <http://mailinglists.scilab.org/file/t497972/xcos_plots.png> close
loop transfer function is:
<http://mailinglists.scilab.org/file/t497972/TF_maple.png> the correct step
response from Maple is:
<http://mailinglists.scilab.org/file/t497972/maple_plot.png> Only the middle
block connection (green plot) is providing the correct result.I think that
this is a bug. Am I right?
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