期刊论文

中文

长沙理工大学学报(自然科学版)

1672-9331

2018

15

4

80-86

10.3969/j.issn.1672-9331.2018.04.012

国家自然科学基金资助项目(11572055).

本校为第一机构

为提高混合动力电动汽车燃油经济性,设计了一种五杆行星轮系动力耦合机构。该机构利用双行星排实现三动力耦合,其中,发动机与行星架相连,电机1通过链轮1和太阳轮1相连,电机2和太阳轮2相连,并通过链轮2把动力传到驱动桥。推导了输出轴转速与三个动力源转速的关系,传动比分析表明,该机构在实现动力耦合的同时,还能在运行过程中无级变速。对启动、起步、加速和上坡、巡航、滑行、刹车制动、低速纯电动和倒车等8种运行工况进行了能量流动路径分析,采用Advisor软件在某车型上对耦合机构进行了新欧洲行驶工况仿真验证。研究结果表明,回收的制动能量增加了45 kJ,回收率提高了3.42%,有效地提高了整车燃油...

In order to improve the fuel economy of hybrid electric vehicles,a dynamic coupling mechanism of five rod planetary gear train was designed,using double planetary rows to couple three power sources,in which the engine was connected to the planet frame,the motor1was connected to the sun wheel1by the sprocket1,and the motor2was connected to the sun wheel2.The power was transferred to driving bridge through the sprocket2.The relationship between the rotational speed of the output shaft and that of three power sources were derived.The analysis of transmission ratio showed that this mechanism could...