High-Speed Control of IPMSM Drives Using Improved Fuzzy Logic Algorithms
M. Nasir Uddin
M. Azizur Rahman
Dept. of Electr. Eng., Lakehead Univ., Thunder Bay, Ont.;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Feb. 2007
Volume: 54,
Issue: 1
On page(s): 190-199
ISSN: 0278-0046
INSPEC Accession Number: 9299042
Digital Object Identifier: 10.1109/TIE.2006.888781
Current Version Published: 2007-02-05
Abstract
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
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