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Simplified Evaluation Method of Drive Characteristics for Computer-Aided Design of Claw-Pole Type PM Stepping Motors

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4 Author(s)
Yoshiaki Kano ; Nagoya Industrial Science Research Institute, Nagoya, Japan ; Hiroshi Wakayama ; Nobuyuki Matsui ; Akira Mishima

This paper proposes a simplified and fast evaluation method of the drive characteristics of claw-pole type PM stepping motors whose dimensions are given. The proposed method consists of a geometric flux-tube-based non-linear magnetic analysis and a dynamic simulator based on an analytical expression of the magnetizing curves obtained from the non-linear magnetic analysis. The proposed method allows us to easily take into account nonlinearities of the core, and to calculate static and dynamic characteristics, with a dramatic reduction in the computation time compared to 3D-FEA while keeping reasonable analytical accuracy. The validity of the proposed method is verified by experiments and finite element package using test motor

Published in:

Power Electronics and Motion Control Conference, 2006. EPE-PEMC 2006. 12th International

Date of Conference:

Aug. 30 2006-Sept. 1 2006