吉林大学学报(工学版) ›› 2012, Vol. ›› Issue (03): 521-526.

• paper •     Next Articles

Compensating torque algorithm in electric power steering system of zehicle with tire blow-out tire

ZHENG Hong-yu, LIU Hai-zhen, ZONG Chang-fu   

  1. State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China
  • Received:2011-05-22 Online:2012-05-01

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Abstract: The electric power steering(EPS) system is characterized by possibility o supplying variable assist steering torque according to the vehicle movement state and driver behavior. Based on this feature, a compensating torque algorithm was suggested for the vehicle with tire blow-out. The dynamic models were built for the EPS system and the tire blow-out, the impact torque on the steering wheel caused by the blow-out tire and ground was calculated. A compensating current was added to the EPS system assist steering current to attenuate the steering shocking by the impact torque. The algorithm was verified by simulation test, and the results showed that it can compensate effectively the impact torque on the steering wheel caused by the blow-out and improve the steering feel of driver.

Key words: vehicle engineering, dynamic model, tire blow-out, electric power steering(EPS)

CLC Number: 

  • U461.6
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