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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2007, Vol. 8 Issue (12): 1889-1893    DOI: 10.1631/jzus.2007.A1889
Electrical & Electronic Engineering     
Optimal state feedback control of brushless direct-current motor drive systems based on Lyapunov stability criterion
WANG Wei, JIN Ruo-jun, JIANG Jing-ping
College of Mechatronics Engineering, China Jiliang University, Hangzhou 310018, China; School of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
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Abstract  This paper develops a unified methodology for a real-time speed control of brushless direct-current motor drive systems in the presence of measurement noise and load torque disturbance. First, the mathematical model and hardware structure of system is established. Next, an optimal state feed back controller using the Kalman filter state estimation technique is derived. This is followed by an adaptive control algorithm to compensate for the effects of noise and disturbance. Those two algorithms working together can provide a very-high-speed regulation and dynamic response over a wide range of operating conditions. Simulated responses are presented to highlight the effectiveness of the proposed control strategy.

Key words： Brushless DC motor      Adaptive control      Optimal state feedback     
Received: 07 May 2007     
CLC:  TM921  
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WANG Wei
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WANG Wei, JIN Ruo-jun, JIANG Jing-ping. Optimal state feedback control of brushless direct-current motor drive systems based on Lyapunov stability criterion. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2007, 8(12): 1889-1893.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2007.A1889     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2007/V8/I12/1889

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