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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/36962

Title: A Dual Notched Design of Radial-Flux Permanent Magnet Motors with Low Cogging Torque and Rare Earth Material
Authors: Hsing-Cheng Yu;Bo-Syun Yu;Jen-te Yu;Cheng-Kai Lin
余興政
Contributors: NTOU:Department of Systems Engineering and Naval Architecture
國立臺灣海洋大學:系統工程暨造船學系
Keywords: Cogging torque;gear-shaped structure;permanent magnet (PM) motor;rare earth material (REM);IEEE TERMS
Date: 2014-11
Issue Date: 2015-05-20T01:32:51Z
Publisher: IEEE Transactions on Magnetics
Abstract: This paper proposes a dual notched design of radial-flux permanent magnet (PM) motors with gear-shaped structures on the PM and stator teeth aiming at lowering down cogging torque and rear earth material (REM). Due to the restriction on export quotas of REM, its cost is expected to rise drastically in the near future. The low cogging torque and REM in PM motor design, therefore, are of high significance. This paper presents a design taking a big step toward that direction. Four models with different mechanical angles and depths were designed. With the aid of 3-D finite element analysis and simulation, the one that best matched objectives was selected which resulted in percentage reduction of the cogging torque and REM up to 62.8% and 6.7%, respectively. In the transient simulation, the output torque of a dual notched PM motor compared with a normal structured one was reduced to 6.5% in average. A prototype was also fabricated to validate the design.
Relation: 50(11), 8203104
URI: http://ntour.ntou.edu.tw/handle/987654321/36962
Appears in Collections:[系統工程暨造船學系] 期刊論文

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