Investigation into Vehicle-Road Noise via Statistical Energy Analysis

Journal of South China University of Technology (Natural Science Edition) ›› 2007, Vol. 35 ›› Issue (11): 46-49.

• Traffic & Transportation Engineering • Previous Articles Next Articles

Investigation into Vehicle-Road Noise via Statistical Energy Analysis

Yu Xue-hua

School of Automotive Engineering, South China Univ. of Tech. , Guangzhou 510640 , Guangdong , China

Received:2007-05-27 Online:2007-11-25 Published:2007-11-25
Contact: 于学华(1964-) ，男，博士，副教授，主要从事车辆系统动力学与汽车NVH 技术研究. E-mail:yxhtongzhi@163. com
About author:于学华(1964-) ，男，博士，副教授，主要从事车辆系统动力学与汽车NVH 技术研究.
Supported by:
国家"863" 计划项目(2003AA501000) ;上海交通大学机械系统与振动国家重点实验室开放研究基金资助项目(VSN-2006-01 )

Abstract

Abstract:

Statistical energy analysis (SEA) is an effective method to analyze the reduction of vibration noise in high-frequency domain. In this paper, the SEA method is adopted to analyze the real vehicle model , and an approach to the elimination of automotive interior noise is presented. By using the SEA method , the analytical accuracy of high-frequency (over 400 Hz) noises on the vehicle road can be controlled in the range from - 3 to + 3 dB. A comparison between the experimental results and the predicted ones of a vehicle also verify the accuracy of the proposed method

Key words: statistical energy analysis, road, noise, vibration, modeling, simulation

Yu Xue-hua. Investigation into Vehicle-Road Noise via Statistical Energy Analysis[J]. Journal of South China University of Technology (Natural Science Edition), 2007, 35(11): 46-49.

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Investigation into Vehicle-Road Noise via Statistical Energy Analysis

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