吉林大学学报(工学版) ›› 2014, Vol. 44 ›› Issue (6): 1545-1549.doi: 10.13229/j.cnki.jdxbgxb201406002

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Road feel design for vehicle steer-by-wire system based on bilateral control

ZHENG Hong-yu1, ZONG Chang-fu1, HE Lei1, CHEN Guo-ying1, LIU Ming-hui1, 2   

  1. 1.State Key Laboratory of Automotive Simulation and Control,Jilin University,Changchun 130022, China;
    2.China Faw Group Corporation R&D Center,Changchun 130011,China
  • Received:2013-04-01 Online:2014-11-01 Published:2014-11-01

Abstract:

As the conventional vehicle mechanical linkages are replaced by Steer-by-Wire (SBW) with electronic control, the driver is unable to sense the road information. A novel steering wheel torque and pinion angle feedback method is proposed with bilateral control structure. The design goal for SBW system is to allow the driver to match and set the dynamic relationship between steer angle and reactive torque input. Refer to electric power steering system, a steering force ratio is designed, which the road feel motor and steer motor control to improve the driver's steering feel according to the assistant control and return control methods that are used in the control logic. Vehicle experiments demonstrate that the proposed control methods can effectively feedback the road information to the driver, ensuring the vehicle's good returnability.

Key words: vehicle engineering, steer-by-wire, bilateral control, road feel, steering characteristic

CLC Number: 

  • U463.4
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