Analysis of rotor fatigue characteristics of permanent magnet synchronous motor spindle in eccentric state

IF 1.1 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

International Journal of Applied Electromagnetics and Mechanics Pub Date : 2023-06-26 DOI:10.3233/jae-220236

Haining Zhao, Shenbo Yu

引用次数: 0

Abstract

In this paper, the distribution of the air gap magnetic field in the motorized spindle is obtained through theoretical derivation, which is verified by comparing with the finite element simulation results. Based on the original calculation of air gap magnetic field, the rotor eccentricity theory is added, and the distribution of air gap magnetic field after rotor eccentricity is obtained. The correctness of the calculation theory of eccentric air gap magnetic field is verified by the finite element simulation results. Through the electromagnetic force calculation and finite element simulation of asymmetric magnetic field in eccentric state, the influence law of unbalanced electromagnetic force on the fatigue life of motorized spindle rotor is summarized.

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永磁同步电机主轴偏心状态下转子疲劳特性分析

本文通过理论推导得到了电主轴内气隙磁场的分布，并与有限元仿真结果进行了对比验证。在原有气隙磁场计算的基础上，加入了转子偏心理论，得到了转子偏心后气隙磁场的分布。有限元仿真结果验证了偏心气隙磁场计算理论的正确性。通过电磁力计算和偏心状态下不对称磁场的有限元仿真，总结了不平衡电磁力对电主轴转子疲劳寿命的影响规律。

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

International Journal of Applied Electromagnetics and Mechanics 物理-工程：电子与电气

CiteScore

1.70

自引率

0.00%

发文量

100

审稿时长

4.6 months

期刊介绍： The aim of the International Journal of Applied Electromagnetics and Mechanics is to contribute to intersciences coupling applied electromagnetics, mechanics and materials. The journal also intends to stimulate the further development of current technology in industry. The main subjects covered by the journal are: Physics and mechanics of electromagnetic materials and devices Computational electromagnetics in materials and devices Applications of electromagnetic fields and materials The three interrelated key subjects – electromagnetics, mechanics and materials - include the following aspects: electromagnetic NDE, electromagnetic machines and devices, electromagnetic materials and structures, electromagnetic fluids, magnetoelastic effects and magnetosolid mechanics, magnetic levitations, electromagnetic propulsion, bioelectromagnetics, and inverse problems in electromagnetics. The editorial policy is to combine information and experience from both the latest high technology fields and as well as the well-established technologies within applied electromagnetics.