I am getting the error message while Running my code .

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PRITAM KUMAR NIRALA
编辑： Walter Roberson 2023-5-1
Nonlinear iteration is not converging with step size reduced to hmin (3.22191e-17) at time 0.00906886. Try reducing
the minimum step size and/or relax the relative error tolerance
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PRITAM KUMAR NIRALA
PRITAM KUMAR NIRALA 2023-5-1
I am trying to optimize the Kp&Ki value 8 PI controller i.e i have 8Kp and 8Ki to be optimize by PSO and i am getting this responce please help me.
Walter Roberson
Walter Roberson 2023-5-1
编辑：Walter Roberson 2023-5-1
https://www.mathworks.com/matlabcentral/answers/756869-how-to-solve-this-error-error-nonlinear-iteration-is-not-converging-with-step-size-reduced-to-hmin#answer_636039
As far as I can see that is a Simulink message, However, the particle swarm algorithms use randomness and so are probably not compatible with using any of the variable step ode algorithms such as ode15s

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