吉林大学学报(工学版) ›› 2009, Vol. 39 ›› Issue (增刊2): 251-0254.

• paper • Previous Articles     Next Articles

Algorithms of anti-rollover control for heavy vehicle based on TTR warning

YU Zhi-xin1,2,ZONG Chang-fu2,HE Lei2,WANG Su-wen3   

  1. 1.School of Mechatronic Engineering,Changchun University of Technology, Changchun 130012,China；2.State Key Laboratory of Automotive Dynamic Simulation, Jilin University, Changchun 130022, China|3.Department of Science, Changchun University of Science and Technology, Changchun 130022,China
  • Received:2009-04-25 Online:2009-09-30 Published:2009-09-30

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Abstract:

The models of simplify realtime dynamic for the heavy vehicles was compared, and a 5DOF model of heavy semitrailer was selected out because it can better predict the future rollover risk. An algorithm of realtime TTR rollover warning based on the model and optimal active control strategies for antirollover LQR based on the algorithm were researched. The heavy vehicles were active controlled for rollover with differential braking. Accuracy and reliability of warning algorithms was also verified using TruckSim and MatLab Cosimulation for fishhook etc. steering situation. The results show this method can reduce rollover performance index of Lateral Load Transfer Ratio effectively and avoid occurred rollover and improve the roll stability of heavy vehicles significantly.

Key words: vehicle engineering, heavy vehicles, rollover warning, differential braking

CLC Number: 

  • U469.5
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