Comparative Study of Torque Analysis for Synchronous Permanent Magnet Coupling With Parallel and Halbach Magnetized Magnets Based on Analytical Field Calculations

被引：19

作者：

Kang, Han-Bit ^{[1
]}

Choi, Jang-Young ^{[1
]}

Cho, Han-Wook ^{[2
]}

Kim, Jae-Hyuck ^{[3
]}

机构：

[1] Chungnam Natl Univ, Dept Elect Engn, Taejon 305764, South Korea

[2] Chungnam Natl Univ, Dept Elect Elect & Commun Engn, Taejon 305764, South Korea

[3] Wonkwang Univ, Dept Elect Engn, Iksan 570749, South Korea

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2014年 / 50卷 / 11期

基金：

新加坡国家研究基金会;

关键词：

Analytical method; Halbach array; synchronous permanent magnet couplings (SPMCs); LINEAR-ACTUATOR; MACHINES; DESIGN; FRAMEWORK; MODEL;

D O I：

10.1109/TMAG.2014.2329010

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 presents a comparative study of torque analysis for synchronous permanent magnet couplings (SPMCs) with parallel- and Halbach-magnetized magnets, using analytical field calculations. On the basis of the magnetic vector potential, we derived analytical solutions for the magnetic field produced by the interaction between the inner and outer PMs for the parallel-and Halbach-magnetized cases. Then, we calculated the magnetic torque using the derived solutions and Maxwell stress tensor. Our analytical results are verified using both 2-D and 3-D finite element analysis and experimental results. We found that SPMC with Halbach-magnetized magnets exhibit dominant pull-out torque than SPMC with parallel magnetized magnets.

引用

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