i want to tune a PI controller in matlab. but Plant cannot be linearized and No warnings or incompatibilities were identified in the linearization and each block was able to linearize itself exactly.
how can i solve this problem?
Alaaeldien Mostafa
you can use a higher version of matlab for example 2017 or above the PID controller has a self-tuning button
https://uk.mathworks.com/help/slcontrol/ug/how-pid-autotuning-works.html
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Baris Can Yalcin
You dont have to linearize the plant for combining it with a classical PID controller, but i guess you have been trying to do that with ready-to-use PID box.
All you have to do is design your own PID structure by using simple boxes in mat operations library, and then calibrate the gains with ziegler-nicholes method.
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