吉林大学学报(工学版) ›› 2010, Vol. 40 ›› Issue (增刊): 48-0052.

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Simulation analysis of multiaxle vehicle dynamic stability on steering and braking

YANG Ming,GAO Xiu-hua,ZHANG Xiao-jiang,LI Xiu-mei, YANG Sheng-yin   

  1. College of Mechanical Science and Engineering, Jilin University, Changchun 130022,China
  • Received:2010-03-29 Online:2010-09-01 Published:2010-09-01

Abstract:

An eighteen degrees of freedom multiaxle vehicle dynamic model was established in Matlab on the basis of antiblock system,and vehicle stability control strategy was proposed. Using direct yaw moment control algorithm, joint control of side slip angle and yaw rate based on the dynamic model were proposed with fuzzy control strategy,which side slip angle and yaw rate were limited within a certain range,and the turning braking stability of vehicle was simulated according to the designed control algorithm. The results show that the joint control of side slip angle and yaw rate achieves better results than indivadual control and it will be better to improve vehicle turning braking stability.

Key words: vehicle engineering, multi axle vehicle, side slip angle, yaw rate, fuzzy control, braking stability

CLC Number: 

  • U461.3
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