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首页> 外文会议>International Symposium on Linear Drives for Industry Applications >Core Loss and Deformation Computation in Permanent Magnet Linear Motors Considering the Effect of Stress on Magnetic and Magnetostrictive Properties
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Core Loss and Deformation Computation in Permanent Magnet Linear Motors Considering the Effect of Stress on Magnetic and Magnetostrictive Properties

机译：考虑应力对磁性和磁致伸缩性能的影响永磁线性电动机中的核心损耗和变形计算

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摘要

Due to the stress-sensitive characteristics of loss and magnetostrictive strain in the silicon steel sheets, it is significant to take the effect of mechanical stress on loss and noise of laminated iron cores in the permanent magnet linear motors (PMLMs). In this paper, the coupled behavior of magnetic and mechanical stress in an electrical steel sheet are measured and the rate-dependency between them is demonstrated. The stress dependency of loss is evaluated by the Steinmetz formula with variable coefficients, and the magnetostricive strain generated by both magnetic field and applied stress is presented. Based on these models, a 2-D numerical simulation of magnetic field and displacement field in a PMLMs is implemented and the comparison of iron loss and deformation with and without taking the mechanical stress into account is investigated.
机译：由于硅钢板中的损耗和磁致伸缩菌株的应力敏感特性，因此在永磁线性电动机（PMLMS）中的叠层铁芯的损耗和噪声产生了显着的影响。 在本文中，测量了电钢板中的磁性和机械应力的耦合行为，并证明了它们之间的速率依赖性。 损失的应力依赖性由施泰倾埃斯配方与可变系数的配方评估，并且呈现由磁场产生的磁致伸缩菌株和施加应力。 基于这些模型，研究了PMLMS中的磁场和位移场的二维数值模拟，并研究了对磁场和变形的比较，并且不考虑机械应力。

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