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High-Speed Control of IPMSM Drives Using Improved Fuzzy Logic Algorithms

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2 Author(s)
M. Nasir Uddin ; Dept. of Electr. Eng., Lakehead Univ., Thunder Bay, Ont. ; M. Azizur Rahman

This paper presents an improved fuzzy logic controller (FLC) for an interior permanent magnet synchronous motor (IPMSM) for high-performance industrial drive applications. In the proposed control scheme for high-speed operations above the rated speed, the operating limits of IPMSM are expanded by incorporating the maximum torque per ampere operation in constant torque region and the flux-weakening operation in constant power region. The power ratings of the motor and the inverter are considered in developing the control algorithm. A new and simple FLC is utilized as a speed controller. The FLC is developed to have less computational burden, which makes it suitable for real-time implementation, particularly at high-speed operating conditions. The complete drive is implemented in real-time using digital signal processor (DSP) controller board DS 1102 on a laboratory 1-hp IPM motor. The efficiency of the proposed control scheme is evaluated through both experimental and computer simulation results. The proposed controller is found to be robust for high-speed applications

Published in:

IEEE Transactions on Industrial Electronics  (Volume:54 ,  Issue: 1 )