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41 Proceedings of the 26 th Chinese Control Conference July 26-31, 2007, Zhangjiajie, Hunan, China PID * 300072 E-mail: [email protected] PID PID PID PID PID PID PID Fuzzy Logic Based Adaptive PID Control of Switched Reluctance Motor Drive Xiu Jie, Xia Changliang School of Electrical Engineering & Automation, Tianjin University, Tianjin 300072, P. R. China E-mail: [email protected] Abstract: The severe nonlinearity of switched reluctance motor (SRM) make it hard to get a good control performance with the conventional PID controller. Therefore, in this paper, fuzzy logic based adaptive PID control strategy is developed. Ac- cording to the error and change-in-error in the transient period, parameters of the adaptive PID controller are tuned on online according to fuzzy logic tuning rules which are summarized from the expert’s control knowledge and operator’s experience. Fuzzy logic based adaptive PID controller has the merit of both fuzzy controller and PID controller. It has the advantage of flexibility, adaptive, expert knowledge based, robustness, model free and high control precision. Experimental results demon- strate that a good control performance is achieved. The system responds quickly with little overshoot. There is no error at steady state. The system shows a strong ability to reject disturbance and a strong characteristic of robustness. Key Words: Switched reluctance motor, Fuzzy logic, Adaptive PID control 1 (Forward) 1 (SRD) 20 PID PID PID PID PID * , : 06YFJMJC01900. PID PID PID PID SRD [1]-[6] SRD PID 2 (Structure of SRM and Power Converter) 8/6 1
Transcript
Page 1: [IEEE 2007 Chinese Control Conference - Zhangjiajie, China (2007.07.26-2007.06.31)] 2007 Chinese Control Conference - Fuzzy Logic Based Adaptive PID Control of Switched Reluctance

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Proceedings of the 26th Chinese Control ConferenceJuly 26-31, 2007, Zhangjiajie, Hunan, China

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Fuzzy Logic Based Adaptive PID Control of SwitchedReluctance Motor Drive

Xiu Jie, Xia ChangliangSchool of Electrical Engineering & Automation, Tianjin University, Tianjin 300072, P. R. China

E-mail: [email protected]

Abstract: The severe nonlinearity of switched reluctance motor (SRM) make it hard to get a good control performance withthe conventional PID controller. Therefore, in this paper, fuzzy logic based adaptive PID control strategy is developed. Ac-cording to the error and change-in-error in the transient period, parameters of the adaptive PID controller are tuned on onlineaccording to fuzzy logic tuning rules which are summarized from the expert’s control knowledge and operator’s experience.Fuzzy logic based adaptive PID controller has the merit of both fuzzy controller and PID controller. It has the advantage offlexibility, adaptive, expert knowledge based, robustness, model free and high control precision. Experimental results demon-strate that a good control performance is achieved. The system responds quickly with little overshoot. There is no error atsteady state. The system shows a strong ability to reject disturbance and a strong characteristic of robustness.Key Words: Switched reluctance motor, Fuzzy logic, Adaptive PID control

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Page 2: [IEEE 2007 Chinese Control Conference - Zhangjiajie, China (2007.07.26-2007.06.31)] 2007 Chinese Control Conference - Fuzzy Logic Based Adaptive PID Control of Switched Reluctance

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Page 3: [IEEE 2007 Chinese Control Conference - Zhangjiajie, China (2007.07.26-2007.06.31)] 2007 Chinese Control Conference - Fuzzy Logic Based Adaptive PID Control of Switched Reluctance

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Page 4: [IEEE 2007 Chinese Control Conference - Zhangjiajie, China (2007.07.26-2007.06.31)] 2007 Chinese Control Conference - Fuzzy Logic Based Adaptive PID Control of Switched Reluctance

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Page 5: [IEEE 2007 Chinese Control Conference - Zhangjiajie, China (2007.07.26-2007.06.31)] 2007 Chinese Control Conference - Fuzzy Logic Based Adaptive PID Control of Switched Reluctance

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2STU(References)

[1] Huh Uk&Youl, Lee Tae&Gyoo. Fuzzy logic based switch-ing angle controller for SR motor speed control: Proceedingsof the IEEE International Symposium on Industrial Elec-tronics, 1995.

[2] Hossain S A, Husain I. Outer loop controller design of aswitched reluctance motor driven system: Conference Re-cord of the Industry Applications Conference, 2003.

[3] Mir S, Islam M S, Sebastian T, et al,. Fault-tolerant switchedreluctance motor drive using adaptive fuzzy logic controller.[J]. IEEE Transactions on Power Electronics, 2004, 19(2):289-295.

[4] Inanc N, Derdiyok A, Ozbulur V. Fuzzy logic control of aswitched reluctance motor including mutual inductances andoperating in the linear region:Proceedings of the 1997.IEEEInternational Symposium on Intelligent Control,1997.

[5] Huh Sung&Jae, Kim KyuDong, Huh UkYoul, et al. Fuzzylogic based control of high current SRM, Proceedings of the41st SICE Annual Conference, 2002.

[6] ,-V�C.D�EWF.������/@A12"

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