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A study of electric vehicle suspension control system based on an improved half-vehicle model

  • Jiang Tao Cao
  • , Hong Hai Liu*
  • , Ping Li
  • , David J. Brown
  • , Georgi Dimirovski
  • *Corresponding author for this work
  • University of Portsmouth
  • Northwestern Polytechnical University Xian
  • Liaoning University of Petroleum and Chemical Technology
  • Dogus University

Research output: Contribution to journalArticlepeer-review

Abstract

An improved half-vehicle model has been proposed for active suspension control systems, in contrast to existing models, it allows to explore the nature of the effect of vehicle speed changes by introducing a state vector of vehicle pitch angle. Three control strategies of linear quadratic control (LQ), improved LQ (ILQ) and wheelbase preview LQ (WLQ) have been implemented into the proposed model. ILQ has integrated an additional control parameter into LQ by concerning the correlation between acceleration values and their corresponding pitch angles. Simulation results have showed the effectiveness of the proposed model in terms of LQ, ILQ and WLQ control strategies.

Original languageEnglish
Pages (from-to)236-242
Number of pages7
JournalInternational Journal of Automation and Computing
Volume4
Issue number3
DOIs
StatePublished - Jul 2007
Externally publishedYes

Keywords

  • Active suspension
  • Attitude control strategies
  • Half-vehicle models

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