Integrated AFS /DYC Control of Steering-by-Wire 4WID Electric Vehicle

Journal of South China University of Technology(Natural Science Edition) ›› 2012, Vol. 40 ›› Issue (3): 150-155.

• Mechanical Engineering • Previous Articles Next Articles

Integrated AFS /DYC Control of Steering-by-Wire 4WID Electric Vehicle

Li Gang Zong Chang-fu Chen Guo-ying Hong Wei

State Key Laboratory of Automotive Simulation and Control,Jilin University,Changchun 130025,Jilin,China

Received:2011-08-29 Revised:2011-11-21 Online:2012-03-25 Published:2012-02-01
Contact: 宗长富(1962-) ，男，教授，博士生导师，主要从事汽车动态仿真与控制研究． E-mail: cfzhong@yahoo.com.cn E-mail:lnitligang@126.com
About author:李刚(1979-) ，男，在职博士生，辽宁工业大学讲师，主要从事新能源汽车仿真与控制研究．
Supported by:
国家自然科学基金青年科学基金资助项目( 51105165) ; 国家自然科学基金资助项目( 50775096) ; 吉林大学汽车仿真与控制国家重点实验室开放基金资助项目( 20111104) ; 辽宁工业大学科研基金资助项目( 201108)

Abstract

Abstract:

This paper deals with the integrated control of the active front steering ( AFS) and the direct yam moment control ( DYC) for steering-by-wire 4WID electric vehicles and proposes a hierarchical algorithm based on the model predictive control. Moreover,the corresponding model predictive controller is designed and a driving force allocation method based on the quadric programming is investigated. Finally,a simulation is carried out to verify the proposed algorithm. The results show that the proposed algorithm enables the vehicle to track the expected trajectory and improves the vehicle stability and active safety.

Key words: electric vehicle, integrated control, model predictive control, driving force allocation

CLC Number:

U463.1

Li Gang Zong Chang-fu Chen Guo-ying Hong Wei. Integrated AFS /DYC Control of Steering-by-Wire 4WID Electric Vehicle[J]. Journal of South China University of Technology(Natural Science Edition), 2012, 40(3): 150-155.

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Integrated AFS /DYC Control of Steering-by-Wire 4WID Electric Vehicle

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