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Analysis of permanent magnet linear synchronous motor for servo system using 3-D equivalent magnetic circuit network method

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3 Author(s)
In-Soung Jung ; Dept. of Electr. Eng., Hanyang Univ., Seoul, South Korea ; Jin Hur ; Dong-Seok Hyun

The problem in improving the positioning precision of a permanent magnet linear synchronous motor (PMLSM) is the detent force caused by the interaction of the magnets with the teeth of the stator. This paper presents 3-dimensional equivalent magnetic circuit network method (3-D EMCN) for the analysis of PMLSM. 3-D EMCN is a numerical analysis method which supplements the magnetic equivalent circuit by using a numerical technique. We analyzed the fields and forces of PMLSM in the case of a skewed magnet and axially segmented magnet construction which are 3-D problems. The results are compared with the experimental ones and show a reasonable agreement

Published in:

Electric Machines and Drives, 1999. International Conference IEMD '99

Date of Conference:

May 1999