Assessment of open-loop rollover control of articulated vehicles under different manoeuvres
by S. Rakheja, J.A. Romero, A. Lozano, P.J. Liu, A.K.W. Ahmed
International Journal of Heavy Vehicle Systems (IJHVS), Vol. 9, No. 3, 2002

Abstract: In this paper, a comprehensive three-dimensional heavy vehicle model is developed to investigate the effectiveness of an open-loop roll instability control. The steering system compliance, roll steer, bump steer, Ackerman steer and wrap steer are incorporated in the vehicle model, along with a comprehensive tyre model and ABS algorithm. Time delays due to a driver's reaction and the transportation lag of the braking system are characterised by a variable called the reaction delay. The rollover indicators in terms of roll safety factor, tractor and trailer lateral accelerations and roll angles, and the rearmost axle roll angle are investigated for their effectiveness for open-loop roll stability control in various cornering and evasive manoeuvres, road conditions, braking efforts, and different reaction delays.

Online publication date: Tue, 01-Jul-2003

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