Bi-objective Optimization of Reducer Whine Noise in Electric Vehicle

被引：0

作者：

Xu Z. ^{[1
]}

Cheng Z. ^{[2
]}

Gao L. ^{[2
]}

Ni S. ^{[2
]}

Wang J. ^{[2
]}

Du W. ^{[3
]}

机构：

[1] School of Mechatronic Engineering, North University of China, Taiyuan

[2] Chery New Energy Automobile Technology Co, Ltd., Wuhu

[3] Product Development and Management Center, Chery Automobile Co, Ltd., Wuhu

来源：

Qiche Gongcheng/Automotive Engineering | 2018年 / 40卷 / 01期

关键词：

Double objective optimization; Electric vehicle; Gear tooth surface modifications; Transmission error; Whine noise;

D O I：

10.19562/j.chinasae.qcgc.2018.01.012

中图分类号：

学科分类号：

摘要：

In order to lower the whine noise of the reducer of electric vehicle, a modification scheme of gear tooth surface combining profile correction and skew angle correction is adopted, and an optimization model with double objective functions (gear transmission error and tooth surface contact stress) is proposed for optimizing tooth surface modification parameters. The results show that after tooth surface modification with optimized parameters, the maximum variation of the transmission error of high-speed and low-speed gear pairs for the two-stage reducer of electric vehicle is reduced to 0.15 and 0.48μm respectively, and the maximum contact stress of tooth surface is 700 and 980MPa respectively, attaining the expected objectives of lowering transmission error and tooth surface contact stress. In the end, a real vehicle comparative test on the sound pressure level of noise before and after optimized modification is performed with a result indicating that after optimized tooth surface modification, the sound pressure level of noise at driver's right ear lowers by 7.3 dB and the whine noise of vehicle is effectively controlled. © 2018, Society of Automotive Engineers of China. All right reserved.

引用

页码：76 / 81

页数：5

共 5 条

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