摘要
分析了功率分流耦合机构的转速与转矩关系,在此基础上推导了功率分流比例与传动比和行星排特性参数的关系,研究了不同功率电机所能实现的传动比变化范围,和耦合装置效率随传动比变化的规律。最后分析了带功率分流耦合机构的车辆在起步、匀速行驶和加速等工况下的驱动特性,为功率分流混合动力车辆关键部件的参数匹配和整车控制策略的制定提供了参考。
The relationship between speed and torque of power split and coupling mechanism is analyzed.Based on this,the relation between power split ratio,drive ratio and the characteristic parameters of planetary gear set is derived,and the variation range of drive ratio the electric motor with different power can attain as well as the changing law of coupling device efficiency with drive ratio are studied.Finally the driving characteristics of vehicle with power split and coupling mechanism at starting,cruising and acceleration conditions are analyzed,providing references for working out the parameters matching of key components and vehicle control strategy.
出处
《汽车工程》
EI
CSCD
北大核心
2010年第3期183-187,共5页
Automotive Engineering
关键词
混联混合动力车
功率分流
耦合机构特性
series/parallel HEV
power-split
coupling mechanism characteristics
