四轮驱动电动汽车动力系统研究

薛奇成; 张欣; 崔宇轩

doi:10.13433/j.cnki.1003-8728.20200045

四轮驱动电动汽车动力系统研究

doi: 10.13433/j.cnki.1003-8728.20200045

北京交通大学新能源汽车动力总成技术北京市重点实验室，北京　100044

基金项目: 国家重点研发计划（2017YFB0103203）

详细信息

作者简介:
薛奇成（1991−），博士研究生，研究方向为新能源汽车动力系统能量优化管理及动态协调控制技术，17116356@bjtu.edu.cn

通讯作者:
张欣，教授，博士生导师，zhangxin@bjtu.edu.cn

中图分类号: TG156
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- 被引次数: 0
出版历程
- 收稿日期: 2019-08-28
- 刊出日期: 2021-02-02

Summary on Powertrain System of Pure Electric Vehicle with Four-wheel Drive

Beijing Key Laboratory of Powertrain for New Energy Vehicle, Beijing Jiaotong University, Beijing 100044, China

摘要

摘要: 四轮驱动纯电动汽车将四轮驱动方式良好的车辆通过性和动力性与新能源汽车的环保性相结合，有利于提高新能源电动汽车的动力性和整车控制技术。本文从纯电动汽车动力系统的结构布置形式和转矩传递方式等方面入手，对四轮驱动纯电动汽车不同类型动力系统的结构形式、工作特性和研究热点等方面进行综述分析研究。研究结果表明，分布式四轮驱动系统在结构布置、控制精度和工作效率等方面具有更多的优势和潜力。其中，智能分配转矩技术和四轮轮毂电机驱动技术将成为分布式四轮驱动系统的研究热点和发展趋势。
- 四轮驱动 /
- 纯电动汽车 /
- 动力系统 /
- 结构形式
Abstract: Four-wheel-drive pure electric vehicles combine the good vehicle traffic ability and dynamic performance of four-wheel drive with the environmental protection of new energy vehicles, which is conducive to improve the power and vehicle control technology of new energy electric vehicles. For the structure arrangement and torque transmission mode of vehicle power system, a comparative study andclassification on the structure, working characteristics and research hotspots of different types power systems of pure electric vehicles with wheel drive are summarized. The research results show that the distributed electric four-wheel drive technology has more advantages according to the structural arrangement, control accuracy and work efficiency. Among them, the four-wheel hub motor direct drive technology and intelligent distribution drive torque technology will become the research hotspot and development trend of distributed electric four-wheel drive technology.
- four-wheel drive /
- pure electric vehicle /
- powertrain system /
- structure type

HTML全文

图 1 单电机四轮驱动系统

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图 2 双电机双轴四轮驱动系统

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图 3 三电机四轮驱动系统

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图 4 四轮轮边电机驱动系统

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图 5 四轮轮毂电机驱动系统

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图 6 内置悬置系统电动轮结构原理图^[52]

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表 1 电动汽车常用动力电池性能对比

名称	铅酸电池	锂电池	镍氢电池
比能量/(W·h·kg⁻¹)	30~50	100~200	40~90
比功率/(W·kg⁻¹)	200~400	300~500	400~500
循环寿命/次	≥1000	≥2000	≥1000
效率/%	>45	>85	约70
特点	价格低、技术成熟；比能量低、质量大。	单体电压高、比能量高；成本高。	可靠性强、充放电性能好；原材料稀缺。
应用	常用于景区旅游观光车	电动汽车最具前景的动力电池^[29]	混合动力汽车大多选用镍氢电池

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参考文献(64)

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