基于ATV、MATV技术的车内噪声分析  

Analysis of Interior Noise of Vechicles Based on ATV & MATV Techniques

作　　者：汪小朋[1] 李强[1] 汪东斌[1] 马少卓 

机构地区：[1]安徽江淮汽车股份有限公司技术中心,安徽省合肥市230022

出　　处：《农业装备与车辆工程》2014年第10期51-54,共4页Agricultural Equipment & Vehicle Engineering

摘　　要：车内结构噪声是汽车NVH特性得以改善的重要内容,判断噪声的主要来源和降低车内噪声水平对于控制车内噪声有着重要意义。通过mule车道路试验,采集3挡全油门加速行驶工况下悬置点的加速度信号,运用声传递向量(ATV)和模态声传递向量(MATV)技术,对车内噪声进行预测仿真,进行钣金贡献量分析和模态贡献量分析,提出了降低车内噪声的理论参考意见。Interior noise is important contents for improving the NVH quality of vehicles. Prediction and reduction of the major sources of interior noise have important significance for noise control. Through the mule vehicle road test, idle and 3WOT mount acceleration signal were gained. The interior noise was predicted by using the methods of ATV＆MATV, the contributions of panel and modal were analyzed. A theoretical reference for reduction of interior noise of vehicles was provided.

关 键 词：声学 车内噪声 贡献量分析 ATV MATV 

分 类 号：U239.5[交通运输工程—道路与铁道工程]