3-D Magnetic Field Analysis of a Permanent Magnet Spherical Actuator Using Spherical Harmonics

被引：0

作者：

Li, Xuerong ^{[1
,2
]}

Liu, Jingmeng ^{[1
]}

Chen, Weihai ^{[1
]}

机构：

[1] Beihang Univ, Sch Automat Sci & Elect Engn, Beijing 100191, Peoples R China

[2] Aalborg Univ, Dept Mat & Prod, DK-9220 Aalborg, Denmark

来源：

2018 IEEE INTERNATIONAL MAGNETIC CONFERENCE (INTERMAG) | 2018年

关键词：

Spherical actuator; permanent magnet array; spherical harmonics; magnetic field distribution; DESIGN;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper proposes a rotor permanent magnet array applied in the three degree-of-freedom (3-DOF) permanent magnet spherical actuator. To investigate the performance of the permanent magnet array, this paper presents an analytical model for calculating the magnetic field generated by the spherical rotor array using spherical harmonics. Compared with the numerical method 3-D finite element analysis, the spherical harmonics can obtain a closed-form function with the advantages of reasonable accuracy and rapid computational effort. Finally three structural parameters of rotor array are discussed by the analytical model.

引用

页数：5

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