Design and Analysis of Permanent Magnet Arc-Linear Motor Having Different Stator-Permanent Magnet Arrangements

IF 1.3 4区物理与天体物理 Q3 PHYSICS, FLUIDS & PLASMAS

IEEE Transactions on Plasma Science Pub Date : 2025-02-25 DOI:10.1109/TPS.2025.3534983

Zhenbao Pan;Jiwen Zhao;Kaiwei Wei;Yiming Shen

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引用次数: 0

Abstract

Permanent magnet (PM) linear motor is widely used in the electromagnetic launch system due to the merits of high thrust and rapid response. Inheriting the advantages of linear motor, the PM arc-linear motor (PMAM) has been recognized as an eminent competitor for driving servo turntables and large telescope. This article designs a dual-PM excited PMAM (DPM-PMAM) having different PM arrangements and three-unit distributed complementary structure. Benefiting from the special stator-PM layouts, the DPM-PMAM exhibits the essential flux concentration effect, which contributes to enhance the torque capability. The motor topology and working principle of the studied DPM-PMAM are introduced. The feasible stator slot/rotor pole combinations and the major design parameters are optimized for improving electromagnetic performances. Then, the DPM-PMAM is quantitatively compared with the slot-PM excited PMAM (SPM-PMAM) and the yoke-PM excited PMAM (YPM-PMAM) based on the optimal designs. By comparison, it is found that the DPM-PMAM shows the improved average torque and good overload capability. Finally, the 2-D finite-element (FE) predicted results are validated by 3-D FE results.

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定子-永磁体不同排列方式的永磁弧直线电机设计与分析

永磁直线电机具有推力大、响应快等优点，在电磁发射系统中得到了广泛的应用。永磁直线弧线电机（PMAM）继承了直线电机的优点，已被公认为驱动伺服转台和大型望远镜的有力竞争者。本文设计了一种具有不同PM排列方式和三单元分布互补结构的双PM激励PMAM （DPM-PMAM）。由于特殊的定子- pm布局，DPM-PMAM具有重要的磁链集中效应，有助于提高转矩能力。介绍了所研究的DPM-PMAM的电机拓扑结构和工作原理。对可行的定子槽/转子极组合和主要设计参数进行了优化，以提高电磁性能。然后，在优化设计的基础上，将DPM-PMAM与槽- pm激励PMAM （SPM-PMAM）和yoke-PM激励PMAM （YPM-PMAM）进行了定量比较。通过比较，发现DPM-PMAM具有提高的平均转矩和良好的过载能力。最后，用三维有限元结果验证了二维有限元预测结果。

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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来源期刊

IEEE Transactions on Plasma Science 物理-物理：流体与等离子体

CiteScore

3.00

自引率

20.00%

发文量

538

审稿时长

3.8 months

期刊介绍： The scope covers all aspects of the theory and application of plasma science. It includes the following areas: magnetohydrodynamics; thermionics and plasma diodes; basic plasma phenomena; gaseous electronics; microwave/plasma interaction; electron, ion, and plasma sources; space plasmas; intense electron and ion beams; laser-plasma interactions; plasma diagnostics; plasma chemistry and processing; solid-state plasmas; plasma heating; plasma for controlled fusion research; high energy density plasmas; industrial/commercial applications of plasma physics; plasma waves and instabilities; and high power microwave and submillimeter wave generation.