摘要
随着汽车工业的不断发展,噪声控制已成为各汽车生产商竞争的焦点。变速箱作为汽车的重要组成部分,对其噪声控制也越来越重要。利用日本Onosokki公司的DS2000数据采集系统对某变速箱分别在定转速和加速时测得声压信号,并对其进行功率谱分析和阶次跟踪分析,找出变速箱噪声的特征频率及噪声源。该方法对变速箱的噪声源有一定的识别能力,具有很广阔的应用前景。
With the development of automobile industry, noise control has already become a competitive focus of automobile product companies. Gearbox is an important part of automobile. So noise control of gearbox is becoming more important. In this paper, DS2000 data collection system of Onosokki Co. was used to collect a gearbox＇s sound pressure signal at constant revolution speed and varying revolution speed. Through the power spectrum analysis and order tracking analysis, the noise frequency and noise source of the gearbox could be found. This method has the capacity to identify gearbox＇ s noise source, and has broad prospects for application.
出处
《噪声与振动控制》
CSCD
北大核心
2009年第1期77-81,共5页
Noise and Vibration Control
关键词
声学
阶次跟踪
变速箱
噪声源
acoustics
order tracking
gearbox
noise source
