A fundamental investigation of tilt control systems for narrow commuter vehicles

S. Kidane, L. Alexander, R. Rajamani, P. Starr, M. Donath

Research output: Contribution to journalArticlepeer-review

27 Scopus citations


One way of addressing traffic congestion is by efficiently utilizing the existing highway infrastructure. Narrow tilting vehicles that need a reduced width lane can be part of the solution if they can be designed to be safe, stable, and easy to operate. In this paper, a control system that stabilizes the tilt mode of such a vehicle without affecting the handling of the vehicle is proposed. This control system is a combination of two different types of control schemes known as steering tilt control (STC) and direct tilt control (DTC) systems. First, different existing variations of both STC and DTC systems are considered and their shortcomings analysed. Modified control schemes are then suggested to overcome the deficiencies. Then a new method of integrating these two control schemes that guarantees smooth switchover between the controllers as a function of vehicle velocity is proposed. The performance of the proposed STC, DTC, and integrated systems is evaluated by carrying out simulations for different operating conditions and some experimental work. The design of a second-generation narrow tilting vehicle on which the developed control system has been implemented is presented.

Original languageEnglish (US)
Pages (from-to)295-322
Number of pages28
JournalVehicle System Dynamics
Issue number4
StatePublished - Apr 2008

Bibliographical note

Copyright 2008 Elsevier B.V., All rights reserved.


  • Narrow vehicle
  • Roll stability
  • Steer by wire
  • Tilt control
  • Vehicle roll control


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