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主管单位 中华人民共和国
工业和信息化部
主办单位 哈尔滨工业大学 主编 冷劲松 国际刊号ISSN 0367-6234 国内刊号CN 23-1235/T

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引用本文:李宏才,闫正军,王伟达,张为,刘辉,李训明.并联混合动力汽车改进双参数换挡规律设计[J].哈尔滨工业大学学报,2019,51(1):102-108.DOI:10.11918/j.issn.0367-6234.201711097
LI Hongcai,YAN Zhengjun,WANG Weida,ZHANG Wei,LIU Hui,LI Xunming.Design method of improved two-parameter gearshift schedule for parallel HEV[J].Journal of Harbin Institute of Technology,2019,51(1):102-108.DOI:10.11918/j.issn.0367-6234.201711097
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并联混合动力汽车改进双参数换挡规律设计
李宏才1,闫正军1,2,王伟达1,张为3,刘辉1,李训明1
(1. 北京理工大学 机械与车辆学院,北京 100081;2. 陆军工程大学,武汉 430075;3. 交通运输部科学研究院, 北京 100029)
摘要:
针对目前混合动力汽车换挡规律计算中机电转矩分配规则和实际运行工况相差较大的问题,以某并联插电式混合动力汽车(PHEV)为对象,以车速、油门开度和电池荷电状态(SOC)为控制参数制定机电转矩分配规则,在传统双参数换挡规律基础上,考虑双动力源协同和电池荷电状态的影响,提出改进双参数换挡规律计算原则和方法,分别以牵引力最大和系统综合效率最高为优化目标制定动力性、经济性换挡规律. 基于AVL Cruise和Matlab/Simulink软件联合仿真平台,分别将改进的双参数换挡规律与初始换挡规律的动力性、经济性进行对比,改进后,0~100 km·h-1加速时间缩短5.9%,在NEDC、WLTC循环工况下电平衡油耗分别降低10.4%、7.5%.
关键词:  插电式混合动力汽车  能量管理策略  换挡规律  改进双参数  Cruise
DOI:10.11918/j.issn.0367-6234.201711097
分类号:TU375.2
文献标识码:A
基金项目:国家自然科学基金(51575043,U1564210)
Design method of improved two-parameter gearshift schedule for parallel HEV
LI Hongcai1,YAN Zhengjun 1,2,WANG Weida1,ZHANG Wei3,LIU Hui 1,LI Xunming1
(1. School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China; 2. PLA Army Engineering University, Wuhan 430075, China; 3. China Academy of Transportation Sciences Ministry of Communications, Beijing 100029, China)
Abstract:
In view of the difference between the torque distribution principle in the hybrid gearshift schedule calculation and the actual operation condition, on the basis of a parallel pulg-in hybrid electric vehicle (PHEV), the torque distribution principle was formulated with the velocity, throttle opening and battery SOC as control parameters. Considering the influence of dual power source synergy and battery SOC, the calculation principles and methods of dynamic and economic improved two-parameter gearshift schedules were defined, and the dynamic gearshift schedule was gained with maximizing traction as optimization objective, as the economic gearshift schedule was gained with maximizing systematic efficiency as optimization objective. The simulation of the proposed improved two-parameter dynamic and economic gearshift schedules were compared to the initial gearshift schedule on the platform of AVL Cruise and Matlab/Simulink. The acceleration time of 0~100 km·h-1 is shortened by 5.9%, and the consumption of SOC balanced is reduced by 10.4% and 7.5% respectively under the NEDC and WLTC.
Key words:  PHEV  energy management  gearshift schedule  improved two-parameter  cruise

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