Research on Torque Characteristics of a Modular Arc-Linear Flux Switching Permanent-Magnet Motor

Bin Li; Jing Zhao; Quansong Mou; Xiangdong Liu; A. Haddad; Jun Liang

doi:10.1109/ACCESS.2019.2913952

Research on Torque Characteristics of a Modular Arc-Linear Flux Switching Permanent-Magnet Motor

Bin Li, Jing Zhao^*, Quansong Mou, Xiangdong Liu, A. Haddad, Jun Liang

^*Corresponding author for this work

School of Automation

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

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.

Original language	English
Article number	8703091
Pages (from-to)	57312-57320
Number of pages	9
Journal	IEEE Access
Volume	7
DOIs	https://doi.org/10.1109/ACCESS.2019.2913952
Publication status	Published - 2019

Keywords

Modular arc-linear flux switching permanent-magnet motor
cogging torque
finite element
magnetization direction of permanent magnet
segment rotor

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10.1109/ACCESS.2019.2913952

Cite this

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title = "Research on Torque Characteristics of a Modular Arc-Linear Flux Switching Permanent-Magnet Motor",

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.",

keywords = "Modular arc-linear flux switching permanent-magnet motor, cogging torque, finite element, magnetization direction of permanent magnet, segment rotor",

author = "Bin Li and Jing Zhao and Quansong Mou and Xiangdong Liu and A. Haddad and Jun Liang",

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year = "2019",

doi = "10.1109/ACCESS.2019.2913952",

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T1 - Research on Torque Characteristics of a Modular Arc-Linear Flux Switching Permanent-Magnet Motor

AU - Li, Bin

AU - Zhao, Jing

AU - Mou, Quansong

AU - Liu, Xiangdong

AU - Haddad, A.

AU - Liang, Jun

PY - 2019

Y1 - 2019

N2 - 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.

AB - 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.

KW - Modular arc-linear flux switching permanent-magnet motor

KW - cogging torque

KW - finite element

KW - magnetization direction of permanent magnet

KW - segment rotor

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M1 - 8703091

ER -

Research on Torque Characteristics of a Modular Arc-Linear Flux Switching Permanent-Magnet Motor

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Keywords

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