无源Halbach永磁电机六自由度磁悬浮平面电机的三维电磁解析模型

IF 2.1 3区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Magnetics Pub Date : 2025-03-12 DOI:10.1109/TMAG.2025.3550556

Yixing Wang;Jianhu Yan;Long Zhang;Liming Yuan

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引用次数: 0

摘要

磁荷法（MCM）通常用于分析磁悬浮平面电机（MPM）的无源永磁（PM）驱动器。然而，由于该方法无法模拟该移动体纵向末端的磁场，因此无法表征该移动体类型的三维磁场。本文提出了一种基于等效表面电流法（SCM）的通用三维电磁解析模型，该模型可以准确表征该类电机的三维磁场，为今后的优化提供依据。首先，利用等效单片机建立了单组Halbach永磁阵列的单自由度三维解析模型，并提出了一种基于三维空间变换和磁矢量映射的解析算法，将单自由度模型扩展为六自由度模型。然后，利用磁场叠加原理，建立了永磁机械被动哈尔巴赫永磁动器的六自由度三维电磁解析模型。此外，为了验证该模型的准确性，对Halbach永磁阵列和MPM的动臂进行了三维有限元分析，并与该分析方法进行了比较。此外，为了验证改进分析模型的通用性，还对另一种带三角形阵列的被动哈尔巴赫永磁电机进行了分析比较。最后，搭建了实验平台，对磁点法电机的磁场进行了测量，并将实验结果与单片机法和有限元法进行了比较。结果表明，改进后的解析模型可以准确表征哈尔巴赫永磁阵列及其电机的三维磁场，为研究永磁阵列的末端效应和电机结构的优化设计提供了依据。最重要的是，本文所提出的三维磁场分析模型对于MPM中运动者的位姿检测起着至关重要的作用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Three-Dimensional Electromagnetic Analytical Model of 6-DOF Maglev Planar Motor With Passive Halbach PM Mover

The magnetic charge method (MCM) is usually used for analyzing the passive permanent magnet (PM) mover of maglev planar motor (MPM). However, this method cannot characterize the 3-D magnetic field of this mover type due to its lack of ability to model the magnetic field at the longitudinal end of the mover. In this article, a general 3-D electromagnetic analytical model based on the equivalent surface current method (SCM) is proposed, which can accurately characterize the 3-D magnetic field of this type of mover for future optimization. First, a single-degree-of-freedom (DOF) 3-D analytical model of a single-set Halbach PM array is established by the equivalent SCM, and an analytical algorithm based on 3-D spatial transformation and magnetic vector mapping is proposed to extend the single-DOF to 6-DOF model. Then, the 6-DOF 3-D electromagnetic analytical model of the passive Halbach PM mover of the MPM is obtained by using the principle of magnetic field superposition. Furthermore, in order to verify the accuracy of this model, a 3-D finite element analysis (FEAs) of the Halbach PM array and the mover of MPM are implemented and compared with the analytical method. Besides, in order to verify the generality of this improved analytical model, another passive Halbach PM mover type with triangular array was also analyzed and compared. Finally, a test platform is built to measure the magnetic field of the mover of MPM and experimental results were compared with the SCM and finite element method (FEM). The results indicate that this improved analytical model can be used to characterize the 3-D magnetic field of the Halbach PMs and the movers of MPM accurately, which can provide a basis for the study of the end effect of PM array and the design optimization of the mover structure. Most importantly, the 3-D magnetic field analytical model presented in this article plays a crucial role in the detection of the mover’s pose in MPM.

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来源期刊

IEEE Transactions on Magnetics 工程技术-工程：电子与电气

CiteScore

4.00

自引率

14.30%

发文量

565

审稿时长

4.1 months

期刊介绍： Science and technology related to the basic physics and engineering of magnetism, magnetic materials, applied magnetics, magnetic devices, and magnetic data storage. The IEEE Transactions on Magnetics publishes scholarly articles of archival value as well as tutorial expositions and critical reviews of classical subjects and topics of current interest.