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The effectiveness of rear axle steering on the yaw stability and responsiveness of a heavy truck

Rear axle steering (RAS) at low speed is available in heavy trucks to improve their manoeuverability and reduce tyre wear; by extending the functionality of the existing RAS to high speed turning and split-mu braking, considerable safety benefits and enhancement in driver comfort can be gained. In t...

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Bibliographic Details
Published in:Vehicle system dynamics 2008-09, Vol.46 (sup1), p.365-372
Main Authors: Kharrazi, Sogol, Lidberg, Mathias, Lingman, Peter, Svensson, Jan-Inge, Dela, Nicolas
Format: Article
Language:English
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Summary:Rear axle steering (RAS) at low speed is available in heavy trucks to improve their manoeuverability and reduce tyre wear; by extending the functionality of the existing RAS to high speed turning and split-mu braking, considerable safety benefits and enhancement in driver comfort can be gained. In this study, a RAS System was developed and simulated in Matlab-Simulink which showed encouraging results. Furthermore, the developed system was implemented on a Volvo Truck and tested in a series of split-mu braking and ISO double lane change manoeuvers. The obtained results conform to the expectations.
ISSN:0042-3114
1744-5159
DOI:10.1080/00423110801958568