Matching and Optimization for the Parameter of Electric City Vehicle Powertrain

Li Wenwen; Sun Houhuan; Xu Xiaowen

doi:10.16578/j.issn.1004.2539.2017.02.005

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Matching and Optimization for the Parameter of Electric City Vehicle Powertrain

更新时间：2022-10-20

- Matching and Optimization for the Parameter of Electric City Vehicle Powertrain
- Vol. 41, Issue 2, Pages: 22-26(2017)
- 作者机构：
  
  1. 南京工业大学机械与动力工程学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2017.02.005
  CLC：
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[1]李文文,孙后环,许晓文.城市用纯电动汽车动力传动系统参数匹配及优化[J].机械传动,2017,41(02):22-26.

Li Wenwen, Sun Houhuan, Xu Xiaowen. Matching and Optimization for the Parameter of Electric City Vehicle Powertrain. [J]. 41(2):22-26(2017)
[1]李文文,孙后环,许晓文.城市用纯电动汽车动力传动系统参数匹配及优化[J].机械传动,2017,41(02):22-26. DOI： 10.16578/j.issn.1004.2539.2017.02.005.

Li Wenwen, Sun Houhuan, Xu Xiaowen. Matching and Optimization for the Parameter of Electric City Vehicle Powertrain. [J]. 41(2):22-26(2017) DOI： 10.16578/j.issn.1004.2539.2017.02.005.

摘要

在能源危机和环境问题的双重压力下,纯电动汽车以零排放、低噪声和电能来源广泛等优点引起了各国政府和汽车企业的重视。以城市用纯电动汽车为研究对象,分析研究其动力传动系统的参数,根据整车参数和动力性、经济性要求匹配整车动力系统参数。从提高传动效率来对初步匹配出的动力系统参数进行优化,以加速时间最短和工况续驶里程最大为优化目标,用惩罚函数将目标函数和约束条件构成关于传动速比的适应度函数,通过遗传算法进行优化,最终得到动力系统最优参数。

Abstract

Under the double pressures of energy crisis and environmental problems,the governments and the automobile enterprises have paid much attention to the pure electric vehicle which has advantages of zero emission,low noise and wide range of energy sources.Electric car is not very different from conventional cars,whether in the main structure or in the appearance.The main change is made in terms of drivetrain.Taking the pure electric city car as our research target,the power transmission system parameter is analyzed and designed,according to the vehicle parameters,power and economy requirements,the vehicle power system parameter is matched.The matched parameters of power system preliminarily is optimized from improving the transmission efficiency,taking the shortest time of acceleration and working conditions driving range maximum as optimization goal.The fitness function of transmission speed ratio is constituted of objective function and constraints condition by using a penalty function.The optimization is carried out by genetic algorithm,the optimal parameters of power system are obtained.

关键词

城市用纯电动汽车动力系统参数匹配优化

Keywords

Pure electric city vehiclePowertrainParameter matchingOptimization

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