Optimization of NVH Performance of Electric Vehicle Reducers Based on Gear Transmission Error

Yu Ziqiang; Yu Hui; Yu Renping

doi:10.16578/j.issn.1004.2539.2023.10.015

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Optimization of NVH Performance of Electric Vehicle Reducers Based on Gear Transmission Error

Test·Analysis | 更新时间：2023-10-09

- Optimization of NVH Performance of Electric Vehicle Reducers Based on Gear Transmission Error
- Journal of Mechanical Transmission Vol. 47, Issue 10, Pages: 104-109(2023)
- 作者机构：
  
  1.烟台职业学院交通工程系，山东烟台 264670
  2.天津职业技术师范大学机械工程学院，天津 300222
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2023.10.015
  CLC：
- Published：15 October 2023，
  
  Received：19 August 2022，
  
  Revised：13 September 2022，
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于子强,于慧,于仁萍.基于齿轮传递误差的电动汽车减速器NVH性能优化[J].机械传动,2023,47(10):104-109.

Yu Ziqiang,Yu Hui,Yu Renping.Optimization of NVH Performance of Electric Vehicle Reducers Based on Gear Transmission Error[J].Journal of Mechanical Transmission,2023,47(10):104-109.
于子强,于慧,于仁萍.基于齿轮传递误差的电动汽车减速器NVH性能优化[J].机械传动,2023,47(10):104-109. DOI： 10.16578/j.issn.1004.2539.2023.10.015.

Yu Ziqiang,Yu Hui,Yu Renping.Optimization of NVH Performance of Electric Vehicle Reducers Based on Gear Transmission Error[J].Journal of Mechanical Transmission,2023,47(10):104-109. DOI： 10.16578/j.issn.1004.2539.2023.10.015.

摘要

电动汽车减速器齿轮的工况具有转矩转速范围广的特点，齿轮副在不同转速和转矩工况下的传递误差不同。为此，针对电动汽车的常用转速段和常用转矩段，对传递误差进行优化改善，以优化减速器噪声、振动与声振粗糙度（NVH）性能。首先，结合Abaqus和Masta软件建模，分析不同转速转矩下的传递误差；然后，基于常用转速和转矩工况时的数据对齿轮进行修形，并分析了修形后的传递误差；最后，通过减速器振动噪声对比试验，得出修形效果。结果表明，减速器大部分时间以常用转速和转矩运转，基于此工况时的传递误差数据进行修形，使减速器噪声降低了约5 dB（A），优化了减速器NVH性能。

Abstract

Electric vehicle reducer gears have a wide range of torque speed when working

and transmission errors of gear pairs are different under different speed and torque conditions. In order to optimize the noise

vibration and harshness (NVH) performance of the reducer

the transfer error is optimized and improved for the common speed segment and common torque segment of electric vehicles. Firstly

Abaqus and Masta software are used to model and analyze the transmission error under different speed and torque conditions. Then

the gear is modified based on the data of common speed and torque conditions

and the transmission error after modification is analyzed. Finally

the modification effect is obtained by comparing the vibration and noise test of the reducer. The results show that the reducer runs at the usual speed and torque most of the time

the noise of the reducer is reduced by about 5 dB（A） and the NVH performance of the reducer is optimized by modification based on the transmission error data in this working condition.

关键词

电动汽车减速器常用转矩转速段传递误差NVH性能齿轮修形

Keywords

Electric vehicle reducerCommon torque speedTransmission errorNVH performanceGear modification

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