应用传递路径分析方法对方向盘抖动贡献量的研究

侯锁军 1; 2; 史文库 1; 毛阳 1

doi:10.7652/xjtuxb201303024

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应用传递路径分析方法对方向盘抖动贡献量的研究

更新时间：2025-07-09

- 应用传递路径分析方法对方向盘抖动贡献量的研究
- Vehicle Steering Wheel Wobbling Contribution Investigation by Transfer Path Analysis
- 西安交通大学学报 2013年47卷第3期页码：132-136
- 作者机构：
  
  1. 吉林大学汽车仿真与控制国家重点实验室,长春,130022
  2. 河南机电高等专科学校,河南,新乡,453000
- 作者简介：
- 基金信息：
  
  : 2012-07-26。作者简介: 侯锁军(1979—),男,博士生;史文库(通信作者),男,教授,博士生导师。基金项目: 国家高技术研究发展计划资助项目(2007220101002381)
- DOI：10.7652/xjtuxb201303024
  中图分类号： U461.4
- 网络首发：2013-03-10，
  
  纸质出版：2013
- 稿件说明：
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侯锁军 1, 2, 史文库 1, 等. 应用传递路径分析方法对方向盘抖动贡献量的研究[J]. 西安交通大学学报, 2013,47(3):132-136.

Vehicle Steering Wheel Wobbling Contribution Investigation by Transfer Path Analysis[J]. 2013, 47(3): 132-136.
侯锁军 1, 2, 史文库 1, 等. 应用传递路径分析方法对方向盘抖动贡献量的研究[J]. 西安交通大学学报, 2013,47(3):132-136. DOI： 10.7652/xjtuxb201303024.

Vehicle Steering Wheel Wobbling Contribution Investigation by Transfer Path Analysis[J]. 2013, 47(3): 132-136. DOI： 10.7652/xjtuxb201303024.

摘要

针对某国产样车存在的怠速时方向盘抖动的问题

采用传递路径分析方法寻找定位方向盘抖动的具体原因

将发动机4个悬置在x、y、z方向的振动作为路径输入端

以方向盘在z方向的振动作为目标点

建立了传递路径的分析模型。通过获取各条传递路径的传递函数来识别各输入端的工作载荷

计算了各条传递路径对方向盘抖动的贡献量

从而找出了发动机激励和悬置系统固有频率之间存在耦合的问题。根据弹性支撑系统的隔振要求

将发动机悬置系统固有频率设计为18 Hz

不仅解决了样车存在的怠速时方向盘抖动的问题

而且表明了用于车内振动分析的传递路径方法的正确性和有效性。

Abstract

For the steering wheel wobbling at idle speed in a vehicle

the theory and modeling process of transfer path analysis(TPA)were first introduced in details. To localize the source of the problem

a 12×1 TPA model was constructed with x

y and z direction vibration of four engine mounts as the path input

and wheel vibration in z direction as a target. After obtaining the transfer function and working loads

the contribution of every transfer path was computed

and the coupling between the engine excitation and the mounting system was identified as the root of the problem

the stiffness of engine mount was then redesigned following the vibration isolation requirement of elastically supported system. The result verifies the convenience of TPA for vehicle vibration diagnosis.

关键词

Keywords

references

庞剑, 谌刚, 何华. 汽车噪声与振动: 理论与应用 [M]. 北京: 北京理工大学出版社, 2006: 77-89.

VAN-DER AUWERAER H, MAS P, DOM S, et al. Transfer path analysis in the critical path of vehicle refinement: the role of fast, hybrid and operational path analysis [C]∥SAE 2007 Noise and Vibration Conference and Exhibition. Washington DC, USA: SAE, 2007: 1-5.

DUBBAKA K R, ZWENG F J, HAQ S U. Application of noise path target setting using the technique of transfer path analysis [C]∥SAE 2003 Noise Vibration Conference and Exhibition. Washington DC, USA: SAE, 2003: 1-15.

LINDEN P, KEPPENS P, RAFF T, et al. Determination of the noise contributions of engine surfaces [C]∥SAE 2001 Noise Vibration Conference Exposition. Washington DC, USA: SAE, 2001: 1-9.

DAVID B, ANDREAS S. Comparison of time and frequency domain source path contribution analysis for engine noise using a noise and vibration engine simulator [C]∥SAE Brasil Noise and Vibration Conference. Washington DC, USA: SAE, 2008: 1-10.

MAIA N M M, SILVA J M M, RIBEIRO A M R. The transmissibility concept in multi-degree-of-freedom systems [J]. Mechanical Systems Signal Processing, 2001, 15(1): 129-137.

FONTUL M, RIBEIRO A M R, SILVA J M M, et al. Transmissibility matrix in harmonic and random processes [J]. Journal of Shock and Vibration, 2004, 11(5/6): 563-571.

DEKLERK D, RIXEN D. Component transfer path analysis method with compensation for test bench dynamics [J]. Mechanical Systems Signal Processing, 2010, 24(6): 1693-1710.

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