fuzzy controller in simulink

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Beenish Mazhar
Beenish Mazhar on 1 Apr 2013
I have implemented fuzzy controller in simulink in ode45 with variable step size. It was not converging to reference but when I used solver-ode14x with fixed step size; it converged to reference value. why? any help

Answers (1)

Mohammad Hossein Zardary
Mohammad Hossein Zardary on 8 Jul 2019
Dear Beenish
First of all tell us the learning algorithm.
As you know all of the algorithms are sample based and when you use a fixed step size solver, your training algorithm works well, when you use variable step the sampling time willbe chosen by matlab considering the rest of your parameters and training algorithm can't adapt the parameters.


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