基于轮齿修形的电动车齿轮啸叫噪声品质研究

方 源1,2,章 桐1,2,3,冷 毅1,2,陈霏霏1,2,郭 荣1,2

振动与冲击 ›› 2016, Vol. 35 ›› Issue (9) : 123-128.

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振动与冲击 ›› 2016, Vol. 35 ›› Issue (9) : 123-128.
论文

基于轮齿修形的电动车齿轮啸叫噪声品质研究

  • 方 源1,2,章 桐1,2,3,冷 毅1,2,陈霏霏1,2,郭 荣1,2
作者信息 +

Research on sound quality of electric vehicle gear whine noise based on gear modification

  • FANG Yuan1,2  ZHANG Tong1,2,3  LENG Yi 1,2  CHEN Feifei 1,2  GUO Rong1,2
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文章历史 +

摘要

齿轮啸叫是影响电动车噪声品质的主要噪声源之一,本文以某电动车减速器为研究对象,通过振动噪声实验研究以及主观评价实验分析齿轮啸叫噪声品质频谱特性,确定影响齿轮啸叫噪声品质的激励源和频域范围。以敏感频带能量比作为评价齿轮啸叫噪声品质评价指标,对存在啸叫现象的齿轮副进行微观修形分析,优化齿轮的啸叫噪声品质。结果表明主动齿轮转频、啮合频率及其倍频对振动噪声影响较大,适当的轮齿修形可以提高齿轮啸叫的噪声品质。

Abstract

Gear whine levels have long been known to contribute to driver annoyance and perceptions in cars, especially electric vehicles. In this paper, experimental investigations were done to analyze acoustic performance of the reducer to identify the source of the gear whine noise. The characteristics of frequency spectrum of the gear whine was studied with a correlation analysis between the objective data and the subjective rating. Sensitive frequency band energy ratio was defined as an evaluation parameter. In order to improve the sound quality of gear whine, a multi-parameter optimization with multi-objective is performed based on genetic algorithm to obtain the optimal modification scheme. Then a co-simulation analysis based on finite element modeling (FEM) and boundary element method (BEM) for the acoustic radiation analysis of the reducer was presented to predict noise improvement after gear modification. Based on the frequency spectrum characteristics analyzed before, the sound quality of gear whine is improved effectively by tooth modification.

关键词

齿轮啸叫 / 敏感频带能量比 / 噪声品质 / 轮齿修形

Key words

gear whine / sensitive frequency band energy ratio / sound quality / gear modification

引用本文

导出引用
方 源1,2,章 桐1,2,3,冷 毅1,2,陈霏霏1,2,郭 荣1,2. 基于轮齿修形的电动车齿轮啸叫噪声品质研究[J]. 振动与冲击, 2016, 35(9): 123-128
FANG Yuan1,2 ZHANG Tong1,2,3 LENG Yi 1,2 CHEN Feifei 1,2 GUO Rong1,2. Research on sound quality of electric vehicle gear whine noise based on gear modification[J]. Journal of Vibration and Shock, 2016, 35(9): 123-128

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