Vehicle Dynamic Simulation for Energy Efficiency Optimization of Four-wheel Independent Driven Electric Vehicle

被引：0

作者：

Gu, Jing ^{[1
]}

Ouyang, Minggao ^{[1
]}

Li, Jianqiu ^{[1
]}

机构：

[1] Tsinghua Univ, State Key Lab Automot Safety & Energy, Beijing 100084, Peoples R China

来源：

25TH WORLD BATTERY, HYBRID AND FUEL CELL ELECTRIC VEHICLE SYMPOSIUM AND EXHIBITION PROCEEDINGS, VOLS 1 & 2 | 2010年

关键词：

Electric vehicle; four-wheel independently driven; energy efficiency optimization; MINIMIZATION;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

In order to optimize the energy efficiency, the vehicle model of a four-wheel independently driven electric vehicle was built, which included the vehicle dynamics model, wheel motor model and PNGV model of LiFePO4 power battery. In order to extend the driving range, a new control algorithm was developed to distribute the torque requirement dynamically to four wheel motors. In order to achieve a higher overall energy efficiency, motors should work in the high efficiency range as much as possible. The vehicle switches between 2-wheel drive mode and 4-wheel drive mode according to the driving condition using the new control algorithm. Simulations of the new control algorithm in Matlab/Simulink were carried out on an urban drive cycle. The result showed that much improvement in driving range was achieved with the new control algorithm. Copyright Form of EVS25.

引用

页码：89 / 93

页数：5

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