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[ pdf ] Determination of the PID Controller Parameters by Modified Genetic

Determination of the PID Controller Parameters by Modified Genetic Download
Topic under  Control Mode
Source: www.iis.sinica.edu.tw 
File size: 352.64 KB
File type: pdf
Last download on: Fri May 11, 2018 01:19:07 AM
Short Desciption:
In the design of a PID controller, these controller parameters must be optimally selected in such a way that the closed loop system has to give desired response.

This paper presents an efficient and fast tuning method based on a modified genetic algorithm (MGA) structure to find the optimal parameters of the proportional-integral- derivative (PID) controller so that the desired system specifications are satisfied. To achieve more effective search, the optimization algorithm is based on the integration of classical genetic algorithm structure and a systematic neighbourhood structure. To demonstrate the effectiveness of presented method, the step responses of closed loop system were compared with that of the existing methods in the literature. Simulation results indicate that the performance of the PID controlled system can be significantly improved by the MGA-based method.
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