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http://dx.doi.org/10.5916/jkosme.2007.31.3.293

A DC Motor Speed Control by Selection of PID Parameter using Genetic Algorithm  

Yoo, Heui-Han (Korea Maritime University)
Lee, Yun-Hyung (Korea Maritime University, College of Maritime Sciences, Department of Mechatronics Engineering)
Publication Information
Journal of Advanced Marine Engineering and Technology / v.31, no.3, 2007 , pp. 293-300 More about this Journal
Abstract
The aim of this paper is to design a speed controller of a DC motor by selection of a PID parameters using genetic algorithm. The model of a DC motor is considered as a typical non-oscillatory, second-order system, And this paper compares three kinds of tuning methods of parameter for PID controller. One is the controller design by the genetic algorithm. second is the controller design by the model matching method third is the controller design by Ziegler and Nichols method. It was found that the proposed PID parameters adjustment by the genetic algorithm is better than the Ziegler & Nickels' method. And also found that the results of the method by the genetic algorithm is nearly same as the model matching method which is analytical method. The proposed method could be applied to the higher order system which is not easy to use the model matching method.
Keywords
DC motor; non oscillatory second order system; Model matching method; Genetic algorithm; PID controller;
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