Z-N PID Controller Tuning
Updated Sun, 09 Jan 2011 17:17:45 +0000
Method 1 . Using Step Response and Delay Time and Time Constant Parameters.
Method 2 . Using proportional controller action only. you should find critical gain and corresponding critical period.
all results come in 2 different output shape.
1- Controller with (Kp - Ti - Td)
2- Controller with (Kp - Ki - Kd)
These methods aimed at obtaining 25% maximum overshoot in step response.
>>> So the Z-N method just makes an initial PID Controller coefficients.
for a better controller you have to optimize the coefficient using many existing methods.
Reza Ahmadzadeh (2023). Z-N PID Controller Tuning (https://www.mathworks.com/matlabcentral/fileexchange/29983-z-n-pid-controller-tuning), MATLAB Central File Exchange. Retrieved .
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