MATLAB: Troubles with modeling step response in Simulink

modelingsimulinkstep response

Hello!
I am a SIMULINK newbie and I am having troubles with modeling step response of my system using this tool. I would really appreciate if you can look at my code and point me in a right direction!
When I try to model my system that already works just fine in regular MATLAB code in SIMULINK, I am getting really funky responses for some reason and I do not understand why. All the transfer functions and the controllers are the same, and it really is not a very complicated system overall.
I have posted both of my matlab and simulink codes here –> NA.
Thank you for your time + help in advance!
– Kat

Best Answer

Delete your Integrator block, you didn't define it in your code.
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