基于振动控制的后视镜球铰摩擦能耗机理研究

中国机械工程 ›› 2021, Vol. 32 ›› Issue (06): 674-680.

基于振动控制的后视镜球铰摩擦能耗机理研究

宋海生1,2;王磊1;田学武1;陈志勇2

1. 陕西重型汽车有限公司汽车工程研究院，西安,710200
2. 吉林大学汽车仿真与控制国家重点实验室,长春,130022

出版日期:2021-03-25 发布日期:2021-04-01
通讯作者: 陈志勇（通信作者），男，1981 年生，副教授、博士研究生导师。研究方向为整车振动噪声控制及系统动力学。发表论文30余篇。E-mail: chen_zy@jlu.edu.cn。
作者简介:宋海生，男，1983 年生，博士、高级工程师。研究方向为整车振动噪声控制及 NVH 主动控制。发表论文10余篇。E-mail: songhs09@sina.com。
基金资助:
国家重点研发计划（2018YFB0106203）

Research on Friction Energy Dissipation Mechanism of Rear-view Mirror Spherical Joints Based on Vibration Control

SONG Haisheng1,2;WANG Lei1;TIAN Xuewu1;CHEN Zhiyong2

1. Institude of Automotive Engineering R&D, Shaanxi Heavy Duty Automobile Co.,Ltd.,Xian, 710200
2. State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun, 130022

Online:2021-03-25 Published:2021-04-01

摘要/Abstract

摘要： 建立了一种基于微动滑移摩擦理论的后视镜球铰能量耗散模型，利用刚性壁面与弹性体之间的微动滑移接触来模拟真实情况，采用指数定律给出了压力分布，推导出了球铰微动滑移干摩擦产生的能量耗散方程，并获得了正压力和滑移面积对能量耗散的影响关系曲线。最后将该模型应用于某商用车后视镜怠速振动的控制，并进行了试验与仿真计算，结果表明，所建立的模型能够对后视镜球铰机构的摩擦能量耗散机理进行准确的描述，可为工程普适性应用提供一定的参考。

关键词: 微动滑移, 振动与噪声, 后视镜振动, 能量耗散

Abstract: An energy dissipation model was established for rear-view mirror spherical joints based on micro-slip friction theory. The micro-slip contact between a rigid ground and an elastic beam was used to simulate the real situation of the joints. The pressure distribution was presented by exponential law and the energy dissipation equation led by micro-slip friction was used to calculate the curves describing the influences of the pressure and the slip areas on energy dissipation. Finally, the model was used to control the idle vibration of the rear-view mirror for a heavy truck, the tests and simulation calculations were done for trouble shooting, and the results show that the established model may describe the friction energy dissipation mechanism of rear-view mirror spherical joints accurately and may provide some references for the general applications of engineering.

Key words: micro-slip, vibration and noise, rear-view mirror vibration, energy dissipation

中图分类号:

U461.1

宋海生, 王磊, 田学武, 陈志勇. 基于振动控制的后视镜球铰摩擦能耗机理研究[J]. 中国机械工程, 2021, 32(06): 674-680.

SONG Haisheng, WANG Lei, TIAN Xuewu, CHEN Zhiyong. Research on Friction Energy Dissipation Mechanism of Rear-view Mirror Spherical Joints Based on Vibration Control[J]. China Mechanical Engineering, 2021, 32(06): 674-680.

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