毕业设计(论文)正文
题 目 专 业 班 级 姓 名 学 号 指导教师职 称混合动力电动汽车驱动系统的研究与设计 机械设计与制造及其自动化(汽车方向) 机械与汽车工程学院车辆XXXX班
XXX XXXXXXXX
xxxx年x月x日
摘要
摘 要
混合动力电动汽车(Hybrid Electric Vehicle)是传统燃油汽车和纯电动汽车相
结合的新车型,具有燃油汽车的动力性能和较低的排放,是当前解决节能、环保问题切实可行的过渡方案。
混合动力汽车的动力性、燃油经济性和排放性能与驱动系统参数的匹配以及车辆行驶过程中的协调控制密切相关。本文首先分析了混合动力汽车的驱动系统结构类型和各自的特点,对混合动力电动汽车的组成及其工作模式进行了介绍,并在此基础上提出了一种能综合考虑各部件功率和重量的驱动系统设计方法。基于此设计方法,考虑混合动力汽车的动力性、燃油经济性和排放性能,给出了汽车驱动系统的总成参数。论文最后根据关键零部件的参数,如:驱动电机的参数、混合动力系统功能需求和定义等,确定驱动控制系统的硬件设计,进而选择确定合理的控制策略。
关键词:混合动力电动汽车 驱动系统 硬件设计 总成参数 控制策略
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Abstract
Abstract
Hybrid Electric Vehicles(HEVs)combine the advantages of conventional engine
—driven vehicles and pure Electric Vehicles(HEVs). This provides satisfied driving performance and lower exhaust emission. Thus, HEV is a feasible solution to solve the energy crisis and environmental pollution problems. Performances of HEVs, in terms of driving, fuel consumption, and exhaust emission, strongly depend on the coordination of the drivetrain and their control strategy. In this paper, the classification and associated characteristics of HEVs are firstly analyzed and discussed. And then, the configuration and operation modes of HEVs are introduced. Based on the modes, considering driving, fuel consumption and exhaust emission, we gave the assembly parameters of driving system. Finally, according to the parameters of key parts, such as the parameters of driving motor, and the functional requirements and definitions of hybrid system, we determined the hardware design of driving control system, and chose appropriate control strategy. Key words: hybrid electric vehicle; driving system; hardware design; assembly parameter; control strategy;
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目录
目录
摘 要............................................................... I Abstract........................................................... II 目录................................................................ I 第一章 绪论......................................................... 1
1.1 电动汽车的发展历史及其关键技术 ............................. 1 1.2研究的目的和意义............................................ 2 1.3国内外发展现状与趋势........................................ 2 第二章 混合动力电动汽车的结构....................................... 5
2.1串联式混合动力电动汽车...................................... 5 2.2并联式混合动力电动汽车...................................... 6 2.3混联式混合动力电动汽车...................................... 7 第三章 混合动力电动汽车驱动系统结构分析............................. 8
3.1驱动系统总体方案............................................. 8 3.1.1驱动系统结构及主要部件..................................... 8 3.2车辆行驶时需求的驱动功率................................... 10
3.2.1加速行驶时需求功率计算 ................................ 10 3.2.2匀速爬坡时需求功率计算 ................................ 11 3.3整车质量的组成.............................................. 12 3.4驱动系统各部件所需最大功率的计算............................ 12 3.5变速器、主减速器和扭矩耦合装置传动比的确定.................. 14 第四章 混合动力电动汽车驱动控制系统的硬件设计...................... 15
4.1驱动系统控制策略............................................ 15 4.2驱动系统的设计和实现........................................ 15
4.2.1 TMS320LF2407A简介 .................................... 16 4.2.2系统硬件设计 .......................................... 17
第五章 总结与展望.................................................. 19 致谢............................................................... 21 参考文献........................................................... 23
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