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Title: A position stepping method for predicting performances of switched reluctance motor drives
Authors: Xue, X
Cheng, KWE 
Ho, SL 
Keywords: Modeling
Nonlinear magnetics
Switched reluctance motors (SRMs)
Issue Date: Dec-2007
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on energy conversion, Dec. 2007, v. 22, no. 4, p. 839-847 How to cite?
Journal: IEEE transactions on energy conversion 
Abstract: This paper presents a novel numerical method, which will be referred as the position stepping method (PSM), to predict the performances of switched reluctance motor (SRM) drives. The 2-D bicubic spline is employed to generate the finite rectangular elements. The 2-D bilinear spline is used to model the nonlinear magnetic characteristics in SRMs. Consequently, the conventional nonlinear first-order differential voltage equation for describing the performances of SRM drives can be simplified into an analytical expression in terms of the current with respect to the rotor position. Furthermore, the position stepping algorithm is developed according to the boundary and continuity conditions, to accurately and rapidly compute the current from the proposed current expression. Simulated and measured current waveforms are reported to validate the developed PSM. The CPU execution time required by the PSM compares very favorably with that of the analytical method. Overall, this paper provides an accurate and speedy approach to predict the currents and torques of SRM drives.
ISSN: 0885-8969
EISSN: 1558-0059
DOI: 10.1109/TEC.2007.895859
Rights: © 2007 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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