Dynamics Analysis of the Transmission System of Front-engine Rear- drive Automobile

Tang Zi; Dong Dawei; Yan Bing; Wang Yuanwen; Fan Dali

doi:10.16578/j.issn.1004.2539.2016.02.025

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Dynamics Analysis of the Transmission System of Front-engine Rear- drive Automobile

更新时间：2022-10-20

- Dynamics Analysis of the Transmission System of Front-engine Rear- drive Automobile
- Vol. 40, Issue 2, Pages: 108-111(2016)
- 作者机构：
  
  1. 西南交通大学机械工程学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2016.02.025
  CLC：
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[1]唐子,董大伟,闫兵,王媛文,范大力.前置后驱汽车传动系的动力学分析[J].机械传动,2016,40(02):108-111+128.

Tang Zi, Dong Dawei, Yan Bing, et al. Dynamics Analysis of the Transmission System of Front-engine Rear- drive Automobile. [J]. 40(2):108-111(2016)
[1]唐子,董大伟,闫兵,王媛文,范大力.前置后驱汽车传动系的动力学分析[J].机械传动,2016,40(02):108-111+128. DOI： 10.16578/j.issn.1004.2539.2016.02.025.

Tang Zi, Dong Dawei, Yan Bing, et al. Dynamics Analysis of the Transmission System of Front-engine Rear- drive Automobile. [J]. 40(2):108-111(2016) DOI： 10.16578/j.issn.1004.2539.2016.02.025.

摘要

前置后驱汽车动力传动系是汽车振动的主要激振源,传动系的振动会严重影响整车NVH性能。以某型MPV汽车动力传动系为研究对象,针对其高挡低速工况下产生的严重车内轰鸣声问题,通过试验测试分析方法确定轰鸣声激振源,并研究主减速器准双曲面齿轮在传动系中的仿真方法,建立包含齿轮的传动系刚柔耦合多体动力学模型,进行传动系的动力学分析。研究结果表明,发动机输出简谐转矩引发的传动系扭转共振会引起主减速器齿轮啮合力变化,进而引起车身振动,产生车内轰鸣声。此噪声产生机理可为车内声学特性改善提供依据。

Abstract

The transmission system of front- engine rear- drive automobile is one of main excitation source of automobile vibration,the vibration of transmission system will seriously affects the NVH performance of the vehicle. Taking the transmission system of a MPV automobile as research object,which has serious car booming noise when operating slowly at a high gear,the source of noise is analyzed by test analysis method,and the simulation method of hypoid gear of main reducer in the system is studied,a rigid- flexible coupled model of transmission containing gear is established and the dynamics analysis is carried out. The result shows,the torsional resonance of transmission excited by alternating torque from engine will impact the meshing force of gear,cause the vibration of car body and make the car booming noise. This mechanism can provide base for the improvement of acoustic characteristic of the automobile.

关键词

前置后驱车内轰鸣声准双曲面齿轮刚柔耦合模型动力学分析

Keywords

Front-engine rear-driveCar booming noiseHypoid gearRigid-flexible coupled modelDynamics analysis

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