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receiving error when try to Linearize a single Simscape block (e.g. Engine) from a Simscape Model.

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Sajad  A.Anbaran
Sajad A.Anbaran on 23 Dec 2018
Commented: Sajad A.Anbaran on 23 Oct 2019
I would like to model a Simscape model. The model is an Engine-based powertrain with ICE+Torque converter+ CVT+Vehicle Body.
Initially tried to find steady-state operating points of the system, then use it to linearize it, and ultimately tune PI for Engine spped control. I could not perform this task successfully.
Now, I intend to linearize each block using "Linear Analysis Tool". But I receive this error. The screenshot of the error is attached to this message.
Would you please explain this error? Thank you.
engine error.png

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Sajad  A.Anbaran
Sajad A.Anbaran on 23 Oct 2019
Do not try this. it's not gonna work if you are dealing with simscape model. use linearization at snapshot, instead.
I did it and tunes PI. It works fine.

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