An Experimental Research on Indoor Pass-by Noise Measurement of Vehicles Based on the Replacement of Tyre/Road Noise

被引：0
|
作者：
Liu C. [1 ,2 ]
Chen J. [1 ,2 ]
Zhang Y. [1 ,2 ]
Li J. [1 ,2 ]
机构：
[1] School of Mechanical Engineering, Hefei University of Technology, Hefei
[2] Automotive NVH Engineering and Technology Research Center Anhui Province, Hefei
来源：
Qiche Gongcheng/Automotive Engineering | 2019年 / 41卷 / 11期
关键词：
Coast-by; Indoor measurement; Pass-by noise; Replacement; Tyre/road noise;
D O I：
10.19562/j.chinasae.qcgc.2019.011.016
中图分类号：
学科分类号：
摘要：
The outdoor pass-by noise tests of vehicles are subject to environmental factors, driving skill and test sites, and the international standard ISO 362-1: 2007 has more stringent requirements on outdoor pass-by noise tests, which makes the success rate of pass-by noise test is significantly reduced. In order to establish an efficient platform for pass-by noise tests, the indoor measurement methods for pass-by noise tests have become an urgent need. In view of the key problem of vehicle pass-by noise indoor measurement methods that there are differences between indoor and outdoor tyre/road noise in the pass-by noise tests, the experimental research on indoor and outdoor pass-by noise tests for a certain vehicle is carried out. Based on indoor coast-by method, the indoor tyre/road noise coefficients are obtained and the indoor tyre/road noise is extracted, which is then replaced by outdoor tyre/road noise based on the energy superposition principle of sound pressure. The absolute error between the indoor pass-by noise measurement result and outdoor measurement result is within ±1 dB(A), which verifies the effectiveness of the method. © 2019, Society of Automotive Engineers of China. All right reserved.
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页码：1335 / 1340and1346
相关论文
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