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首页> 外文期刊>Magnetics, IEEE Transactions on >Design, Prototyping, and Analysis of a Novel Tubular Permanent-Magnet Linear Machine
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Design, Prototyping, and Analysis of a Novel Tubular Permanent-Magnet Linear Machine

机译：新型管状永磁直线电机的设计，原型制作和分析

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摘要

In this paper, we present a new tubular permanent-magnet linear machine with square-shaped cross section and derive its corresponding analytical model by solving Maxwell equations and applying the superposition theorem. The analytical field solution is necessary for obtaining an analytic form of the machine parameters and variables such as the self- and mutual inductances of the windings, the thrust force, and the windings electromotive force (EMF). These provide a valuable tool for tubular machine analysis, design, and optimization. In order to achieve maximum force density, we optimized the design parameters of the proposed machine using the analytical model. We used finite-element analysis and experimental results to demonstrate the validity of the developed analytical model. Again using the Fourier series of the cogging force and its harmonic analysis, in this paper, we introduce two techniques for cogging force reduction in the new tubular linear permanent-magnet machine. The first technique reduces the cogging force due to interaction between the permanent magnets and the stator teeth, and the other reduces the cogging force due to finite length of the armature. These techniques are straightforward, and their implementations in the tubular linear permanent magnet machine with square cross section are easy. We investigated the effectiveness of the proposed techniques in cogging force reduction by 3-D finite-element analysis and experimental measurements.
机译：在本文中，我们提出了一种新的具有正方形横截面的管状永磁直线电机，并通过求解麦克斯韦方程组并应用叠加定理来推导其相应的解析模型。为了获得电机参数和变量（例如，绕组的自感和互感，推力和绕组电动势（EMF））的解析形式，必须使用分析场解决方案。这些为管状机器分析，设计和优化提供了有价值的工具。为了获得最大的力密度，我们使用解析模型优化了所提出机器的设计参数。我们使用有限元分析和实验结果来证明开发的分析模型的有效性。再次使用齿槽力的傅里叶级数及其谐波分析，在本文中，我们介绍了两种在新型管状线性永磁电机中降低齿槽力的技术。第一种技术由于永磁体和定子齿之间的相互作用而减小了齿槽效应力，另一种技术由于电枢的有限长度而减小了齿槽效应力。这些技术是直接的，并且它们在具有正方形横截面的管状线性永磁电机中的实施是容易的。我们通过3-D有限元分析和实验测量研究了提出的技术在降低齿槽力方面的有效性。

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