On the vehicle stability control for electric vehicle based on control allocation

Feiqiang Li*, Jun Wang, Zhaodu Liu

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

22 Citations (Scopus)

Abstract

this paper proposes a vehicle stability control (VSC) scheme for a four-wheel-drive electric vehicle based on the control allocation techniques. The wheels of the electric vehicle are driven by the electric motor individually, which makes it more convenient to control tires forces and moments for stabilizing vehicle motion. But the over-actuated system is complex to control. The control allocation technique is well-known used in marine craft and aircraft to resolve over-actuated problems. By introduction of control allocation to electric vehicle control, a large degree of modularization of the different levels of control is obtained. A control analysis layer is designed using a sliding mode control, which specifies a desired yaw moment to satisfy the vehicle stability. And then the control allocation distributes this yaw moment among the individual wheels by commanding appropriate wheel longitudinal slip. Simulation results in the Carmaker® environment have shown that the proposed control scheme takes advantages of electric vehicle and enhances the vehicle stability.

Original languageEnglish
Title of host publication2008 IEEE Vehicle Power and Propulsion Conference, VPPC 2008
DOIs
Publication statusPublished - 2008
Event2008 IEEE Vehicle Power and Propulsion Conference, VPPC 2008 - Harbin, China
Duration: 3 Sept 20085 Sept 2008

Publication series

Name2008 IEEE Vehicle Power and Propulsion Conference, VPPC 2008

Conference

Conference2008 IEEE Vehicle Power and Propulsion Conference, VPPC 2008
Country/TerritoryChina
CityHarbin
Period3/09/085/09/08

Keywords

  • Control allocation
  • Electric vehicle
  • VSC

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