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1、硕士学位论文增程式电动汽车动力传动系统参数匹配及性能仿真PARAMETER MATCHING AND SIMULATION OF POWERTRAIN FORRANGE-EXTENDED ELECTRICVEHICLE秦昀哈尔滨工业大学2012 年 7 月国内图书分类号：U469.72 国际图书分类号：629学校代码：10213 密级：公开工程硕士学位论文增程式电动汽车动力传动系统参数匹配及性能仿真硕 士 研 究 生：秦 昀导师：崔胜民教授申 请 学 位：工程硕士学科：车辆工程所 在 单 位：汽车工程学院答 辩 日 期：2012 年 7 月授予学位单位：哈尔滨工业大学Classified In
2、dex: U469.72U.D.C: 629Dissertation for the Masters Degree in EngineeringPARAMETER MATCHING AND SIMULATION OF POWERTRAIN FORRANGE-EXTENDED ELECTRICVEHICLECandidate：Supervisor：Academic Degree Applied for：Speciality：Affiliation：Date of Defence：Qin YunProf. Cui ShengminMaster of Engineering Automobile E
3、ngineeringSchool of Automobile EngineeringJuly, 2012Degree-Conferring-Institution： Harbin Institute of Technology哈尔滨工业大学工程硕士学位论文摘要增程式电动汽车（Extended-Range Electric Vehicle 简称 E-REV），是以电能为主要驱动能源，发动机为辅助动力源的一种新型电动汽车。其动力系统主要由蓄电池和小型发电机组组成。在日常行驶时，E-REV 类似于纯电动汽车，发动机完全关闭，处于纯电动模式，该模式完全可以满足城市日常上下班行驶需求而不需要启动发动机。
4、而在蓄电池荷电状态（State of charge，简称 SOC）达到较低水平时，发动机启动作为主动力源，补充车辆行驶所需的电能，多余的电能对动力电池进行充电。增程式电动汽车的参数匹配对整车性能具有至关重要的作用，动力传动系统部件参数的优化匹配可以使各部件运行在最佳工作区域，提高整车能源利用率。通过对整车动力性、经济性及排放性能进行仿真分析，可以验证参数匹配和控制策略的合理性、有效性，缩短车型的开发周期，节约成本，充分发挥增程式电动汽车的优点。本文以参数匹配和性能仿真为重点，对比分析了增程式电动汽车与现阶段的各种新能源汽车的特点，并对增程式电动汽车的增程器结构进行了分析，根据动力性能要求，对动
5、力传动系统关键零部件进行选型和匹配计算。根据增程式电动汽车的运行特点、动力性和经济性的要求，制定了增程式电动汽车的控制策略。纯电驱动与增程模式的切换采用基于 SOC 值的逻辑门限控制策略，增程模式下采用恒功率和功率跟随相结合的控制策略，根据蓄电池 SOC 和需求功率，将增程模式划分为六个工作状态。在 AVL-Cruise 软件中进行整车建模，同时在模型中设置 Matlab 控制模块，在 Matlab/Simulink 软件中进行控制模型的搭建，并在 Sateflow 中建立了不同工作模式下的状态转换流程图，根据模型编写 DLL 文件，实现了模型在 Matlab/Simulink 与 Cruis
6、e 中的联合仿真。仿真结果表明，参数匹配结果满足整车的经济性和动力性设计要求，制定的能量分配控制策略能够有效地提高整车的经济性能，本课题为增程式电动汽车的开发提供了有效的参考。关键词：增程式电动汽车；传动系统；参数匹配；控制策略；仿真-I-哈尔滨工业大学工程硕士学位论文AbstractExtended-range electric vehicle(E-REV for short) is a kind of electrical vehicle with two operation modes. Electric power is the main energy for driving the
7、car, and the engine is an auxiliary power unit. Its power system mainly consists of batteries and small generators. In daily driving, the E-REV is similar than the pure electrical vehicle, can fully meet the requirements of daily drive without starting the engine. When the battery state of charge (S
8、OC for short) reaches a lower level, the engine will start as an active power source to supplement the vehicle required electric energy, while the redundant power is used for charging. The program parameters matching and performance simulation of the E-REV for complete vehicle properties has a criti
9、cal role in the powertrain component parameters. The optimization of the parameters matching can make the vehicle components run in the best working area and improve the energy efficiency. The software-based simulation and analysis of the power, economy and emission performance can verify the ration
10、ality and effectiveness of matching parameters and control strategy to shorten the development cycle, reduce cost saving and give full play to the advantages of E-REV.The parameter matching and performance simulation of E-REV are studied as the key point in this thesis. Comparatively analyzed the ch
11、aracteristics of the current E-REV and other new energy vehicles. Based on the dynamic performance requirements, the selection principle and matching design method of system are studied. The main components of powertrain system including drive motor, battery and rang-extender, were selected and calc
12、ulated. Then, according to the running characteristics, dynamic and economical requirements, the energy distribution control strategy is made for E-REV. Conversion of pure electric drive and extend mode is based on the SOC logic gate limit control strategy, while the extend mode is based on the comb
13、ination of constant power and power following control strategy. According to battery SOC and power, the extend mode is divided into six working states. AVL-cruise is used as the platform to build the vehicle model, the control strategy model is built using Matlab/Simulink and with the State transiti
14、on flow chart, created the DLL files for the co-simulation. Based on Cruise andMatlab/Simulink co-simulation platform，a simulation verification is conducted onthe matching powertrain designedThe simulation results demonstrate that the parameters matching meet the expected economic performance and dy
15、namic performance demand. The energy-II-哈尔滨工业大学工程硕士学位论文distribution control strategies can effectively improve the economic performance of vehicle. The study provides effective reference for the further study of the E-REV.Keywords：Extended-range electric vehicle, powertrain system, parameter matching,control strategy, simulation.-III-哈尔滨工业大学工程硕士学位论文目摘录要 I 论 1 Abstract II 第1章 绪1.1 课题研究背景和意义 1 1.2 增程式电动汽车的国内外研究现状 2 1.2.1 国外研究现状
