Torque coordination control of distributed drive electric vehicle for straight line driving

Author

Wu Lingfei ; Wang Lifang ; Li Yong ; Li Junfeng

Author_Institution

Key Lab. of Power Electr. & Electr. Drives, Inst. of Electr. Eng., Beijing, China

fYear

2014

fDate

Aug. 31 2014-Sept. 3 2014

Firstpage

1

Lastpage

6

Abstract

A novel method to solve the straight line driving stability problem of distributed drive electric vehicle is presented. The error of motor torque response will result in difference between the driving torques on the left and right wheels for distributed drive electric vehicle, and this will cause yaw moment and offset during straight line driving. The relationship between straight line driving stability and torque difference is analyzed through simulation. By analyzing the relationship between slip ratio and longitudinal force, a torque coordination control method based on slip ratio has been found. Simulation based on Matlab/Simulink and hardware-in-loop experiment have been carried out. The results show that the method can improve the straight line driving performance.

Keywords

electric vehicles; motor drives; stability; torque control; wheels; Matlab; Simulink; distributed drive electric vehicle; hardware-in-loop experiment; longitudinal force; motor torque response; slip ratio; straight line driving stability problem; torque coordination control method; torque difference; torque response error; wheels; yaw moment; Drives; Electric vehicles; Force; Sensors; Torque; Wheels; coordination control; distributed drive electric vehicle; driving torque; straight line driving; torque response error;

fLanguage

English

Publisher

ieee

Conference_Titel

Transportation Electrification Asia-Pacific (ITEC Asia-Pacific), 2014 IEEE Conference and Expo

Conference_Location

Beijing

Print_ISBN

978-1-4799-4240-4

Type

conf

DOI

10.1109/ITEC-AP.2014.6940720

Filename

6940720