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1、- 0 -纯电动汽车驱动系统设计及仿真学 院 专 业 年级班别 学 号 学生姓名 指导教师 2015年 6 月摘 要随着环境污染的加剧和资源的日益短缺，纯电动汽车（EV）凭借能源利用率高、环境污染小的特点得到广泛关注和快速发展，成为当前研制取代内燃机汽车的首选车型，其发展前景广阔。作为纯电动汽车核心部件之一，驱动系统直接决定了纯电动汽车整车性能优劣,目前我国的纯电动汽车存在的主要问题是续航里程少和动力能源电池成本高，基于此种情况，对驱动系统进行合理设计，是提高电动汽车的动力性能和增加续航里程的有效手段，所以文章对纯电动汽车驱动系统进行设计研究。本文首先分析了纯电动汽车的特点，包括无污染、噪声低
2、、结构简单、能源效率高且多样化等。然后分析了纯电动汽车驱动系统的整体结构和工作原理，并以某普通普及车型为基础，对驱动系统进行设计改善。先确定相应动力参数目标，然后根据整车参数进行理论计算，参考相应手册和市场上的部件，选择合适的驱动系统结构装置，如电机、蓄电池的类型和相关参数。最后利用车辆系统仿真软件ADVISOR（Advanced Vehicle Simulator）对纯电动汽车进行动力性能仿真实验。首先建立了仿真模型，包括选择传动系统类型、设置参数、设计控制策略，然后选择仿真工况进行加速性能和爬坡性能的仿真，最后得到仿真性能结果图表,包括仿真参数图、参数仿真报告、能源消耗图、虚拟回放。基于符
3、合初始设计技术要求的参数，利用ADVISOR里的AUTOSIZE软件模块进行参数优化，然后对得到的优化参数值进行仿真，进一步分析纯电动汽车驱动系统仿真动力性能，确定最优参数。关键词：纯电动汽车、驱动系统、结构参数、动力学、仿真AbstractWith the environment pollution increasing and and the growing shortage of resources, and because its high availability in energy and mild pollution , Battery Electric Vehicle (BEV
4、) becomes the preferred designed model which might take the place of internal combustion engine cars, it has good development prospect. The drive system is one of the core part for the Electric Vehicle, it directly decides the vehicle performance of the whole car. At present, the biggest troubles fo
5、r BEV in China are the limited driving mileage and high cost in power battery. Based on the situation, design and improve the drive system performance is a efficient method for promote the vehicles dynamic performance and longer range.This article research and design for the BEVs drive system. First
6、ly, the article analyzes BEVs characteristic, including no air pollution, noiseless, simple construction, highly efficient using and diversity in energy. Secondly, the article analyzes BEVs fundamental construction and its working principle. Then redesign and make improvement based on a common car,
7、be certain with the relative dynamic parameters and calculate theoretically, considering about the parts on the market, choose the suitable structure devices.For instance, the type and relevant parameters of the motor and accumulator battery. Finally, use simulation software ADVISOR to do the test f
8、or BEVs dynamic performance. To begin with, establish the simulated model, includes, picking the driveline type, set relevant parameters, establish control strategy. Then, choose the simulated BEVs working condition and perform accelerated performance and climbing ability tests simulation. At last,
9、the diagram result of the simulation which consist of simulation parameters diagram, simulation report, energy consuming graph and virtual replay result will come out. Based on the parameters which fit the requirement, the article use the ADVISORs part AUTOSIZE to optimize parameter, and simulated a
10、gain, then ulteriorly analyze the EV drive system dynamic performance and get the final best parameter.Key words：Pure Electric Vehicle，Drive system ，Structure parameters, Dynamic performance，Simulation目 录1 绪论.11.1 题目背景及目的.11.2 国内外研究状况.11.3 题目研究方法. 21.4 论文构成及研究内容. 32 纯电动汽车的简单分析.42.1 纯电动汽车的特点. 42.2 纯电动汽车在我国的发展现状. 52.3 驱动系统基本结构形式.62.4 驱动系统工作原理. 73 驱动系统参数设计.93.1 电动机类型和性能参数的选择.123.2 蓄电池类型、数量、容量的选择.163.3 传动系统参数的选择.194 利用 ADVISOR驱动系统性能仿真.214.1 仿真软件 ADVISOR 简介 .214.2 定义车辆的仿真参数.224.2.1 选择传动系统类型.
