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Proceedings Paper

Analysis and design optimization of ironless linear permanent magnet synchronous motors with non-overlapping concentrated windings for ultra-precision positioning system
Author(s): Liyi Li; Yongbin Tang; Jiaxi Liu; Qiming Chen
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Paper Abstract

This paper presents the electromagnetic design of Ironless permanent magnet linear synchronous motor with non-overlapping concentrated windings based on the Equivalent Magnetizing Current(EMC) method. For one such motor structure we give analytical formulae for its magnetic field and thrust density and analyze to improve air-gap flux density and thrust density by varying motor design parameters. In order to minimize thrust ripple and improve thrust density, we analyze the superiority of ILPMLSM with Halbach magnet array and fractional-slot concentrated winding. The validity of the proposed technique is confirmed with 2-D Finite Element (FE) analysis.

Paper Details

Date Published: 31 January 2013
PDF: 7 pages
Proc. SPIE 8759, Eighth International Symposium on Precision Engineering Measurement and Instrumentation, 87594Z (31 January 2013); doi: 10.1117/12.2014876
Show Author Affiliations
Liyi Li, Harbin Institute of Technology (China)
Yongbin Tang, Harbin Institute of Technology (China)
Jiaxi Liu, Harbin Institute of Technology (China)
Qiming Chen, Harbin Institute of Technology (China)

Published in SPIE Proceedings Vol. 8759:
Eighth International Symposium on Precision Engineering Measurement and Instrumentation
Jie Lin, Editor(s)

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