Velocity scheduled driver assisted control

David Lynch, Andrew Alleyne

Research output: Contribution to journalArticlepeer-review

Abstract

This paper investigates the effectiveness of velocity-scheduled Driver Assisted Control (DAC) to control the yaw rate of a front wheel drive, four-wheel steer passenger vehicle. The goal of this research is to be able to impart new handling characteristics to a vehicle through the entire range of operational longitudinal velocities. The DAC uses vehicle yaw rate as input and the rear steering angle as output, thus allowing the driver to maintain a direct line of vehicle control via the front wheels for safety reasons. Multiple DAC controllers are designed for discrete longitudinal velocities within the vehicle's operating range. A transition methodology was then implemented to switch between DAC controllers as the longitudinal velocity changes. Finally, the controller was tested experimentally on a scaled vehicle testbed.

Original languageEnglish (US)
Pages (from-to)1-22
Number of pages22
JournalInternational Journal of Vehicle Design
Volume29
Issue number1-2
DOIs
StatePublished - 2002
Externally publishedYes

Keywords

  • Driver-assisted control
  • Four-wheel steer
  • Gain scheduling
  • Model reference control
  • Scaled vehicle

ASJC Scopus subject areas

  • Automotive Engineering
  • Mechanical Engineering

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