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Varying Parameter Automatically

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Alice Chin
Alice Chin 2011-10-16
How to auto input the values of controller gain Kc, integral time τI, Derivative time τD of PID controller parameter when values of process gain Kp, time constant τ and time delay Ѳ are varying.
For example, I want to vary the parameter Kp, τ and Ѳ of the transfer function from 1-10 for each parameter automatically by using Cohen Coon tuning rule.

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Ashikur
Ashikur 2011-10-17
%% Are you using simulink model? you can sweep using a loop.
%% For example 'kp' is your model parameter and named as 'kp'
open_system('your_system')
kpSweep = 1:diff:10;
for i = 1:length(kpSweep)
kp = kpSweep(i);
[out params] = sim('your_system');
end

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