MATLAB: Is it possible to tune PID controller using “gamultiobj”

genetic algorithmpid

I want to obtain values for Kp, Ki, Kd using genetic algorithm.

Is it possible to do this using "gamultiobj".

Best Answer

Yes it is possible. <http://www.maxwellsci.com/print/rjaset/v7-1116-1122.pdf Optimization of PID Controller for Brushless DC Motor by using Bio-inspired Algorithms > See the link

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MATLAB: How to see the PID parameters when implementing Optimization app

I'm not sure that I understand you. The PID parameters are your control variables, right? I mean, they are in the vector x that ga uses as the fitness function fun(x). So what do you want to see, the values changing as ga progresses? You can use 'gaplotbestindiv' as the PlotFcn option.

But maybe you mean something else. If so, please ask again.

Alan Weiss

MATLAB mathematical toolbox documentation

MATLAB: Find a PID Controller

Hp=tf (1, [1 0 1] );
[kpid,info] = pidtune(Hp,'pid')

Then simulate your system using tune (in PID block) to find the desired values of kp ki and kd

you will find approximately

kp=83 
ki=19
kd=32

Best Answer

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MATLAB: How to see the PID parameters when implementing Optimization app

MATLAB: Find a PID Controller

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