Matching Design and Simulation Analysis for Two-speed Transmission of Electric Vehicle

Yu Chen; Kun Yang; Jiaming Zhou; Yong Fang; Youtang Wang; Jie Wang

doi:10.16578/j.issn.1004.2539.2020.09.010

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Matching Design and Simulation Analysis for Two-speed Transmission of Electric Vehicle

Design· Calculation | 更新时间：2022-11-02

- Matching Design and Simulation Analysis for Two-speed Transmission of Electric Vehicle
- Journal of Mechanical Transmission Vol. 44, Issue 9, Pages: 64-71(2020)
- 作者机构：
  
  1.山东理工大学交通与车辆工程学院，山东淄博 255000
  2.北京理工大学机械与车辆学院，北京 100081
  3.联合轲麟新能源科技（济宁）有限公司，山东济宁 272061
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2020.09.010
  CLC：
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陈玉,杨坤,周稼铭等.电动乘用车用两挡变速器匹配设计与仿真分析[J].机械传动,2020,44(09):64-71.

Chen Yu,Yang Kun,Zhou Jiaming,et al.Matching Design and Simulation Analysis for Two-speed Transmission of Electric Vehicle[J].Journal of Mechanical Transmission,2020,44(09):64-71.
陈玉,杨坤,周稼铭等.电动乘用车用两挡变速器匹配设计与仿真分析[J].机械传动,2020,44(09):64-71. DOI： 10.16578/j.issn.1004.2539.2020.09.010.

Chen Yu,Yang Kun,Zhou Jiaming,et al.Matching Design and Simulation Analysis for Two-speed Transmission of Electric Vehicle[J].Journal of Mechanical Transmission,2020,44(09):64-71. DOI： 10.16578/j.issn.1004.2539.2020.09.010.

摘要

基于AVL Cruise对直驱方案和两挡变速器方案进行了动力传动系统匹配设计与仿真；根据匹配结果对两挡变速器进行了结构设计，包括关键零件的参数计算、静力学分析和模态分析；通过对比两种方案在各种工况下的电机电流、转矩和电池电流，明确了两挡变速器对整车经济性和动力性的影响。结果表明，在各工况下，关键零件承受最大载荷时满足强度要求且未发生共振；两挡变速器方案可降低对驱动电机转矩和峰值电流的需求，提高系统效率，从而提高整车经济性，有效增加续驶里程。相关研究可为纯电动车动力传动系统的选择提供参考。

Abstract

Based on AVL Cruise， the powertrain matching design and simulation for the direct drive scheme and the two-speed transmission scheme are carried out. According to the matching results， the two-speed transmission is structurally designed， including parameters calculation of key parts， static analysis and modal analysis. By comparing the current， the torque and the battery current of two schemes under various working conditions， the influence of the two-speed transmission on the economy and dynamic of the whole vehicle is clarified. The results show that， key parts meet the strength requirements under various working conditions and resonance is not occurred. The two-speed transmission scheme can reduce the demand for the drive motor torque and peak current， improve the system efficiency， which can improve the vehicle's economy and increase the driving range effectively. The related research can provide a reference for the selection of the electric vehicle power transmission system.

关键词

电动车变速器参数匹配结构设计

Keywords

Electric vehicleTransmissionParameter matchingStructural design

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