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Research on torque characteristics of a modular arc-linear flux switching permanent-magnet motor

Li, Bin, Zhao, Jing, Mou, Quansong, Liu, Xiangdong, Haddad, A. ORCID: https://orcid.org/0000-0003-4153-6146 and Liang, Jun ORCID: https://orcid.org/0000-0001-7511-449X 2019. Research on torque characteristics of a modular arc-linear flux switching permanent-magnet motor. IEEE Access 7 , 57312. 10.1109/ACCESS.2019.2913952

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Abstract

The modular arc-linear flux switching permanent-magnet motor (MAL-FSPM) used for scanning system is researched in this paper by the finite element method (FEM). The MAL-FSPM combines characteristics of the flux switching permanent-magnet motor and linear motor and can realize the direct driving and limited angular movement. Due to the double salient effect, the cogging torque including slot torque and end torque is very high. In order to reduce the cogging torque, a method of magnetizing the permanent magnet in reverse direction combined with rotor segmentation is proposed. By means of the proposed method, peak-peak cogging torque and load torque ripple are reduced effectively. Besides, the smooth operation range and an average load torque of the motor are also optimized. The effectiveness of the method is verified by both 2D and 3D FE models.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
ISSN: 2169-3536
Date of First Compliant Deposit: 10 June 2019
Date of Acceptance: 24 April 2019
Last Modified: 09 Nov 2022 04:10
URI: https://orca.cardiff.ac.uk/id/eprint/123122

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