Volume 8 Number 2 (Feb. 2013)
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JCP 2013 Vol.8(2): 478-484 ISSN: 1796-203X
doi: 10.4304/jcp.8.2.478-484

Design and Analysis of Permanent Magnet Linear Synchronous Motor with Special Pole Shape

Xudong Wang, Kai Cao, Haichao Feng, Lili Guo, and Xiaozhuo Xu
School of Electrical Engineering & Automation, Henan Polytechnic University, Jiaozuo 454000, China

Abstract—Permanent magnet linear synchronous motors (PMLSMs), which have great advantages, such as simple structure, high positioning accuracy, good performance, high thrust force density, high dynamic response, are widely used in high precision direct drive field. As a research focus and difficulty, the force ripper and dynamic characteristic of PMLSM is important for its performance. In this paper, the present research status and characteristics of PMLSM is discussed firstly. Then a 16-pole 15-slot PMLSM is built used finite element method (FEM). Based on the finite element model, the thrust force ripple and minimization technologies, the power factor and efficiency of PMLSM with different load, were solved and analyzed, and an optimized model was got. The analysis result of thrust and magnetic flux density shows that through the new geometry of primary tooth shape, named optimized model, can improve the average thrust and reduce thrust fluctuations. The optimized model also has higher the power factor and efficiency. The back EMF of original and optimized model are also compared and discussed.

Index Terms—FEM, PMLSM, thrust ripple, magnetic flux density, back EMF constant, power factor, efficiency

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Cite: Xudong Wang, Kai Cao, Haichao Feng, Lili Guo, and Xiaozhuo Xu, " Design and Analysis of Permanent Magnet Linear Synchronous Motor with Special Pole Shape," Journal of Computers vol. 8, no. 2, pp. 478-484, 2013.

General Information

ISSN: 1796-203X
Abbreviated Title: J.Comput.
Frequency: Monthly
Editor-in-Chief: Prof. Liansheng Tan
Executive Editor: Ms. Nina Lee
Abstracting/ Indexing: DBLP, EBSCO,  ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, CNKI,etc
E-mail: jcp@iap.org
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