Topology Optimization Design of Transmission Case Housing Used in Electric Vehicle

Zhang Qing; Li Hongbiao; Zhou Qia; Yan Huidong; Guo Wentian; Yang Xianxue

doi:10.16578/j.issn.1004.2539.2017.06.014

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Topology Optimization Design of Transmission Case Housing Used in Electric Vehicle

更新时间：2022-10-20

- Topology Optimization Design of Transmission Case Housing Used in Electric Vehicle
- Vol. 41, Issue 6, Pages: 75-79(2017)
- 作者机构：
  
  1. 北京航天发射技术研究所
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2017.06.014
  CLC：
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[1]张庆,李洪彪,周洽,闫惠东,郭文天,杨献学.电动车变速器箱体拓扑优化设计[J].机械传动,2017,41(06):75-79.

Zhang Qing, Li Hongbiao, Zhou Qia, et al. Topology Optimization Design of Transmission Case Housing Used in Electric Vehicle. [J]. 41(6):75-79(2017)
[1]张庆,李洪彪,周洽,闫惠东,郭文天,杨献学.电动车变速器箱体拓扑优化设计[J].机械传动,2017,41(06):75-79. DOI： 10.16578/j.issn.1004.2539.2017.06.014.

Zhang Qing, Li Hongbiao, Zhou Qia, et al. Topology Optimization Design of Transmission Case Housing Used in Electric Vehicle. [J]. 41(6):75-79(2017) DOI： 10.16578/j.issn.1004.2539.2017.06.014.

摘要

针对电动车变速器箱体结构,从正向设计的角度采用变密度的拓扑优化分析方法对箱体内、外筋板及外廓结构展开拓扑优化分析。箱体的拓扑优化以加权应变能作为优化目标,以箱体体积分数、位移、应力、模态频率和制造加工方式为约束条件。基于拓扑优化结果,同时考虑箱体结构的安装、润滑、冷却等功能要求,完成箱体结构的优化设计,并对优化设计的箱体结构进行了有限元静强度和模态特性分析。结果表明,电动车变速器箱体结构静强度和模态频率均高于设计指标,实现了电动车变速器复杂箱体结构的拓扑优化设计。

Abstract

Aiming at the structure of transmission case housing used in electric vehicle,the topology optimization analysis of transmission case housing used in electric vehicle,including the external and internal reinforcing plates and outside profile is conducted by using the method of topology optimization analysis from the forward design. In the optimization,the minimum weighted compliance is set as the optimization objective and volume fraction,displacement,stress,modal frequency and machining technology as constrains. Based on the topology optimization result,the optimization design of transmission case housing is carried out with considering the requirements of assembly,lubrication and cooling. Furthermore,the stresses state and modal frequency of the transmission case housing is also calculated in order to verify its structural strength and vibration performance. The analysis results show that the structural strength and modal frequency of the optimized transmission are higher than the design index,the optimization design of the complicated transmission case housing structure is realized.

关键词

电动车箱体拓扑优化有限元分析

Keywords

Electric vehicleTransmission case housingTopology optimizationFinite element analysis

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