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A popular method for tuning P, PI, and PID controllers is the Ziegler–Nichol’s method is used in this design to find the performance of PID controller of Proportional Gain (Kp), Integral Gain (Ki) and Derivative Gain (Kd). This method starts by zeroing the integral and differential gains and then raising the proportional gain until the system is unstable. The value of KP at the point of instability is called KMAX; the frequency of oscillation is f0. The method then backs off the proportional gain a predetermined amount and sets the integral and differential gains as a function of f0. The PID controller transfer function that is given as:
C(s)=Kp+Ki/s+Kds
Where Kp ,Ki, Kd are respectively the proportional, integral, derivative gains/parameters of the PID controllers that are going to be tuned. Using Matlab 2020a version the performance of the design is tested.
REFERENCES
Reference Paper-1: Ziegler Nichols Method-An overview
Author Name: George Ellis
Source: Science Direct
Year: 2012
Reference Paper-2: Tuning of PID Controller Using Particle Swarm Optimization (PSO)
Author’s Name: Mahmud Iwan Solihin, Lee Fook Tack and Moey Leap Kean
Source: IJASEIT
Year: 2011
DOWNLOAD the Matlab code from the below URL, and specify the Website URL or Title of the design.
https://drive.google.com/file/d/1RyKvQ7D-84meTl6uQv8aynVeIcKHBN-3/view?usp=sharing
SIMULATION VIDEO DEMO
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