Comparison Analysis of Power Management used in Hybrid Electric Vehicle based on Electric Variable Transmission

被引:0
|
作者
Xu, Qiwei [1 ]
Sun, Jing [1 ]
Jiang, Xiaobiao [1 ]
Cui, Shumei [2 ]
机构
[1] Chongqing Univ, State Key Lab Power Transmiss Equipment & Syst Se, Chongqing, Peoples R China
[2] Harbin Inst Technol, Dept Elect Engn, Harbin, Peoples R China
关键词
hybrid electric vehicle; electric variable transmission; power management;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The electric variable transmission in hybrid electric vehicle is a new electromagnetic energy transmission system, which combines the output powers from the inner machine and outer machine of electric variable transmission to propel hybrid electric vehicle. This paper focuses on the comparison analysis of power management. The switching strategy and the power follower strategy control the transmission ratio of the electric variable transmission. Making full use of the structural advantages of the electric variable transmission, the engine and road load are isolated to make the engine works in a high efficiency area, thus improving the fuel economy of the vehicle. Then, this paper discusses the dynamic allocation based on the instantaneous optimization strategy, and the optimization algorithm is realized by using the forward dynamic programming. The simulation results demonstrate the feasibility of the proposed strategy, and it can be taken as a new theory and method for the study of hybrid electric vehicle based on electric variable transmission.
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页数:7
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