吉林大学学报(工学版) ›› 2018, Vol. 48 ›› Issue (1): 11-19.doi: 10.13229/j.cnki.jdxbgxb20170525

• Orginal Article • Previous Articles     Next Articles

Yaw-moment control of motorized vehicle for energy conservation during cornering

SUN Wen, WANG Qing-nian, WANG Jun-nian   

  1. State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China
  • Received:2017-05-22 Online:2018-02-26 Published:2018-02-26

Abstract: In this paper, based on the study of vehicle dynamics during turning, the reason that causing extra driving resistance was found. It was proposed that a counter yaw moment can mitigate this extra driving resistance during turning. For a vehicle with independent electric drive for left and right wheels on rear axle, driving power can be reduced by means of proper torque distribution between the left and right wheels. By theoretical analysis and simulation, he optimal torque distribution coefficient of the real axle was obtained by genetic algorithm, by which the vehicle consumes the lowest power during turning without causing instability. This research shows that the vehicle energy consumption can be reduced, and turning maneuverability can be improved by the yaw moment control.

Key words: vehicle engineering, electric vehicle, four-wheel independent drive, yaw moment control, turning resistance, genetic algorithm

CLC Number: 

  • U461.1
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