Optimization of manoeuvrability and directional stability of commercial vehicles by an electronically controlled all-wheel steering system.

Author(s)
Göhring, E. Glasner, E.-C. von Pflug, H-C. & Povel, R.
Year
Abstract

The paper illustrates how the manoeuvrability and the directional stability of a 7.5-t-distributor truck can be enhanced with the aid of an electronic-hydraulic rear-axle steering system. The steering strategy "Rear end Swing-out Compensation (RSC)" improves the manoeuvrability by approximately 20 percent, whereby the commonly existent and dangerous rear end swing-out is completely negated. The dynamic behaviour of the all-wheel steering commercial vehicle is decisively influenced while braking on split adhesion road surfaces with the aid of specific control algorithms. Additionally, through the implementation of a rear-axle steering system in the truck itself, it is possible to suppress oscillatory motions possible to suppress oscillatory motions of a centre axle trailer even during the most extreme driving manoeuvres. (A)

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Publication

Library number
C 4970 (In: C 4958) /90 /91 / IRRD 874986
Source

In: Automobile in harmony with human society : proceedings of the XXVth Fédération Internationale des Sociétés d'Ingenieurs des Techniques de l'Automobile FISITA congress, Beijing, October 17-21, 1994, Volume 2: Vehicle dynamics, Technical Paper No. 945090, p. 219-227, 13 ref.

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