传递路径分析在NVH试验室建设中的应用  

Application of Transfer Path Analysis in NVH Test Chamber Construction

作　　者：张嵩[1] 麻海舰[1] 

机构地区：[1]上海汽车集团股份有限公司技术中心,上海201804

出　　处：《上海汽车》2014年第7期23-25,共3页Shanghai Auto

摘　　要：介绍了动力总成半消声室的规划建设情况和主要技术指标。通过试验数据分析,确定台架的主要噪声源,对整个传动系统进行结构分析。最后在薄弱的传递路径上实施相应的改进措施,并进行试验验证。The whole capability planning of the PT semi-anechoic chamber and the main technical specification are introduced. The main noise source is discovered through the testing data analysis, and then the structure of transfer path is analyzed. Finally the improving measures are implemented for the weak path, and the test is validated for the system.

关 键 词：半消声室 传递路径 噪声 汽车 

分 类 号：U467[机械工程—车辆工程]