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Transactions: INTERNATIONAL JOURNAL of MATHEMATICS AND COMPUTERS IN SIMULATION
Transactions ID Number: 19-402
Full Name: Sarawut Sujitjorn
Position: Professor
Age: ON
Sex: Male
Address: School of Electrical Engineering, Suranaree University of Technology, 111 University Avenue, Nakhon Ratchasima
Country: THAILAND
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E-mail address: sarawut@sut.ac.th
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Title of the Paper: GA-Based PIDA Control Design Optimization with an Application to AC Motor Speed Control
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Number of paper pages: 14
Abstract: PIDA controller has been proposed since 1996 as an extension to the conventional PID controller. The additional term "A" stands for acceleration. With this new term, a closed-loop system can respond faster with less overshoot. Originally, the design utilizes the dominant pole concept proceeded in the s-plane. As shown by simulation, this design approach is not suitable for high-order plants having delays and complex oscillatory modes. The article proposes an algebraic design approach which also utilizes the genetic algorithm (GA) to achieve design optimality. Comparison studies among the previous method, the gradient-search based method and the proposed approach are elaborated. Such studies were conducted against some benchmark plants defined by Astrom and Hagglund. As a result, the GA method with heuristically defined solution boundaries provides superior results. The proposed approach has been successfully applied to the speed control of an AC motor.
Keywords: Genetic algorithm, gradient search, optimization, PIDA controller, pole placement, speed control of ac motor.
EXTENSION of the file: .pdf
Special (Invited) Session: GA-Based Optimal PIDA Controller Design
Organizer of the Session: 647-325
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