吉林大学学报(工学版) ›› 2015, Vol. 45 ›› Issue (2): 347-351.doi: 10.13229/j.cnki.jdxbgxb201502002

• Orignal Article • Previous Articles     Next Articles

Raking force distribution control strategy of bus based on electronically controlled braking system

ZHENG Hong-yu1,WANG Lin-lin1,ZHAO Wei-qiang1,CHEN Yu-chao2   

  1. 1.State Key Laboratory of Automotive Simulation and Control,Jilin University,Changchun 130022,China;
    2.FAW Group Corporation R&D Center,Changchun 130011,China
  • Received:2013-11-04 Online:2015-04-01 Published:2015-04-01

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Abstract:

A braking force distribution control strategy is proposed using a hierarchical control structure based on electronically controlled braking system of bus (EBS). In the upper layer, a deceleration control strategy is designed to ensure that the vehicle braking deceleration is only dependent on the brake pedal distance but independent of the vehicle load condition. In the lower layer, a strategy of braking force distribution between front and rear axles based on ideal braking deceleration of the upper layer is taken to fulfill driver's need of whole bus braking force and to realize smooth axle load transfer. The proposed control strategy is tested using a hardware-in-the-loop simulation test bench of EBS system. Result show this strategy can improve the driving comfort and safety of bus.

Key words: vehicle engineering, electronic braking system, braking force distribution, deceleration control, comfort and safety

CLC Number: 

  • U463.5
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