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动力总成引起的轿车乘员室结构噪声传递路径分析与控制
引用本文:韩旭,郭永进,管西强,朱平,林忠钦.动力总成引起的轿车乘员室结构噪声传递路径分析与控制[J].机械强度,2009,31(4).
作者姓名:韩旭  郭永进  管西强  朱平  林忠钦
作者单位:1. 上海交通大学,机械与动力工程学院,上海,200240
2. 上海交通大学,机械系统与振动国家重点实验室,上海,200240
基金项目:国家高技术研究发展计划(863)资助项目 
摘    要:动力总成振动引起的轿车乘员室结构噪声往往经过多维路径进行传递,对结构噪声传递路径的辨识和控制是减少结构噪声的有效措施之一.文中以尚处于设计中的某轿车车身结构为研究对象,采用实验数据与有限元模型相结合的方法,将动力总成及其悬置装置的动态特性引入到车身结构的设计过程中,依据各传递路径对乘员室结构噪声的贡献度,辨识结构噪声的主要传递路径及关键影响因素,进而指导车身结构的设计,达到控制结构噪声向轿车乘员室传递的目的.

关 键 词:轿车乘员室  结构噪声  传递路径分析  噪声控制

TRANSFER PATH ANALYSIS AND CONTROL OF AUTOMOTIVE INTERIOR STRUCTURE-BORNE NOISE GENERATED BY A POWERPLANT
HAN Xu,GUO YongJin,GUAN XiQiang,ZHU Ping,LIN ZhongQin.TRANSFER PATH ANALYSIS AND CONTROL OF AUTOMOTIVE INTERIOR STRUCTURE-BORNE NOISE GENERATED BY A POWERPLANT[J].Journal of Mechanical Strength,2009,31(4).
Authors:HAN Xu  GUO YongJin  GUAN XiQiang  ZHU Ping  LIN ZhongQin
Affiliation:1. School of Mechanical Engineering;Shanghai Jiaotong University;Shanghai 200240;China ;2. The State Key Laboratory of Mechanical System and Vibration;China
Abstract:Automotive interior structure-borne noise generated by the powerplant vibration is usually transmitted by multiple/multi-dimensional transfer paths. Therefore,identification and control of structure-borne noise transfer paths is one of the effective measures on interior structure-borne noise reduction. A designing auto-body is as a research object. The dynamic performances of the powerplant and mounts are introduced into the process of auto-body design with a method of integrating experimental results into ...
Keywords:Automotive compartment  Structure-borne noise  Transfer path analysis  Noise control  
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