Dynamics Analysis and Optimization of Automotive Transmission

Zhang Jiping; Meng Fanlong; Ma Weijin; Wang Zhijian

doi:10.16578/j.issn.1004.2539.2017.06.027

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Dynamics Analysis and Optimization of Automotive Transmission

更新时间：2022-10-20

- Dynamics Analysis and Optimization of Automotive Transmission
- Vol. 41, Issue 6, Pages: 143-145(2017)
- 作者机构：
  
  1. 中北大学机械与动力工程学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2017.06.027
  CLC：
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[1]张纪平,孟凡龙,马维金,王志坚.汽车变速器动力学分析与优化[J].机械传动,2017,41(06):143-145+163.

Zhang Jiping, Meng Fanlong, Ma Weijin, et al. Dynamics Analysis and Optimization of Automotive Transmission. [J]. 41(6):143-145(2017)
[1]张纪平,孟凡龙,马维金,王志坚.汽车变速器动力学分析与优化[J].机械传动,2017,41(06):143-145+163. DOI： 10.16578/j.issn.1004.2539.2017.06.027.

Zhang Jiping, Meng Fanlong, Ma Weijin, et al. Dynamics Analysis and Optimization of Automotive Transmission. [J]. 41(6):143-145(2017) DOI： 10.16578/j.issn.1004.2539.2017.06.027.

摘要

针对市面在售某型号汽车变速器壳体易产生裂纹的问题,对变速器进行了有限元模态分析以及工作模态测试试验,获得了变速器的模态参数,并运用振型相关校验矩阵验证了结果的可靠性;在此基础上,对比仿真与试验结果,验证了仿真分析的正确性和有效性,分析研究了容易引起变速器疲劳破裂的模态振型;最后从移频的角度出发,对动力总成的安装方式进行了优化,提高了变速器的总体刚度,试验结果为避免变速器壳体开裂提供了方法和理论依据。

Abstract

According to the problem that a certain type of automotive transmission case in the sale is easy to crack,the finite element modal analysis and operational modal tests of automotive transmission are carried out and the modal parameters of transmission are obtained. Then,the reliability of the results is verified by the modal correlation matrix. On this basis,through comparing the results between simulation and experiment,the correctness and reliability of the simulation analysis are proved. The mode shapes which prone to fatigue cracking are analyzed. Finally,from the perspective of the frequency shift,the installation type of the powertrain is optimized,the overall stiffness of the transmission is improved,the test results provide method and theoretical basis for avoiding the transmission case cracking.

关键词

变速器裂纹模态分析动力学优化

Keywords

TransmissionCrackModal analysisDynamics optimization

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