Analytical Modeling of the Electromagnetic Vibration and Noise for an External-Rotor Axial-Flux in-Wheel Motor

被引：52

作者：

Deng, Wenzhe ^{[1
]}

Zuo, Shuguang ^{[1
]}

机构：

[1] Tongji Univ, Clean Energy Automot Engn Ctr, Shanghai 201804, Peoples R China

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2018年 / 65卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Analytical model; axial-flux motors; noise; vibration; SWITCHED RELUCTANCE MOTOR; PREDICTION; MACHINES; COMPUTATION; FIELD;

D O I：

10.1109/TIE.2017.2736487

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents an analytical model of the electromagnetic vibration and noise for an external-rotor axial-flux in-wheel motor (AFWM). First, the air-gap flux density is calculated and the influence of edging effect is taken into account through a radial correction function. On this basis, the electromagnetic force acting on the surface of the magnets is obtained. Then, the modal parameters and shapes are calculated and the surface displacement of the AFWM is obtained via a modal superposition method. Finally, sound radiation efficiency is explored to predict the electromagnetic noise. The analytical model is validated through simulation and experiment, respectively. It turns out that the analytical model can predict the electromagnetic vibration and noise of the AFWM quickly and effectively over a wide speed range, which is of great significance for the design of low-noise axial-flux motors.

引用

页码：1991 / 2000

页数：10

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