Simulation and Experimental Study on Vibration and Noise Characteristics of the Main Reducer of an Electric Drive Axle

Cui Yue; Tian Shaopeng; Zou Lin; Wang Xinqiang

doi:10.16578/j.issn.1004.2539.2023.11.013

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Simulation and Experimental Study on Vibration and Noise Characteristics of the Main Reducer of an Electric Drive Axle

Test·Analysis | 更新时间：2023-12-01

- Simulation and Experimental Study on Vibration and Noise Characteristics of the Main Reducer of an Electric Drive Axle
- Journal of Mechanical Transmission Vol. 47, Issue 11, Pages: 86-93(2023)
- 作者机构：
  
  1.武汉理工大学汽车工程学院，湖北武汉 430070
  2.武汉理工大学机电工程学院，湖北武汉 430070
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2023.11.013
  CLC：
- Published：15 November 2023，
  
  Received：15 September 2022，
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崔玥,田韶鹏,邹琳等.某电驱动桥主减速器振动噪声特性仿真与试验研究[J].机械传动,2023,47(11):86-93.

Cui Yue,Tian Shaopeng,Zou Lin,et al.Simulation and Experimental Study on Vibration and Noise Characteristics of the Main Reducer of an Electric Drive Axle[J].Journal of Mechanical Transmission,2023,47(11):86-93.
崔玥,田韶鹏,邹琳等.某电驱动桥主减速器振动噪声特性仿真与试验研究[J].机械传动,2023,47(11):86-93. DOI： 10.16578/j.issn.1004.2539.2023.11.013.

Cui Yue,Tian Shaopeng,Zou Lin,et al.Simulation and Experimental Study on Vibration and Noise Characteristics of the Main Reducer of an Electric Drive Axle[J].Journal of Mechanical Transmission,2023,47(11):86-93. DOI： 10.16578/j.issn.1004.2539.2023.11.013.

摘要

利用Adams软件建立了主减速器“二级斜齿轮副-转子-轴承”仿真模型，仿真结果显示，在0~3 000 r/min，噪声主要来源于系统的共振，且高速级齿轮副贡献量较大。此外，进行了主减速器振动试验和实车噪声试验，结果表明，当输入转速为2 138.67 r/min时，主减速器的噪声值激增最为明显，与此相对应的齿轮副啮合频率为605.96 Hz，验证了仿真结果。最后，研究了轴承支承刚度对共振转速分布的影响，并提出系统结构刚度的优化措施。优化结果表明，在1 400~2 200 r/min转速带，振动幅值显著减小，共振转速向高转速偏移。试验结果与仿真分析结果相对误差均小于5%，证明了Adams仿真结果的正确性和优化措施的有效性，为缩短电驱动桥主减速器开发周期、节省研发成本提供了参考。

Abstract

In this study

a simulation model of the two-stage helical gear pair-rotor-bearing of the main reducer is developed by Adams software. The simulation results show that the noise mainly comes from the resonance of the system and the contribution of the high-speed gear pair is large when the speed is in the range of 0~3 000 r/min. Furthermore

the vibration test of the main reducer and the real vehicle noise test are also conducted. The test results show that the noise of the main reducer increases obviously when the input speed is 2 138.67 r/min

and the corresponding meshing frequency of the gear pair is 605.96 Hz

verifying the simulation results. Finally

the effect of bearing stiffness on the resonance speed distribution is studied

and the optimization measures of the structural stiffness of the system are proposed. After optimization

the vibration amplitude decreases significantly when the speed is in the range of 1 400~2 200 r/min

and the resonance speed shifts to a higher speed. The relative errors between the test results and simulation analysis results are less than 5%

which verifies the Adams simulation results and the optimization measures

and provides some reference for shortening the development cycle of the electric drive axle main reducer and saving research and development costs.

关键词

电驱动桥齿轮-转子-轴承系统共振特性路试试验

Keywords

Electric drive axleGear-rotor-bearing systemResonance characteristicsRoad test

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