This review of the dynamics of heavy road-vehicle systems emphasizes directional performance. The following topics are presented: why are articulated vehicles used; units, hitches, and combination vehicles; multiple axle suspensions and steering systems; important performance issues; models and simulation tools; and controlling directional performance. Ideas are shwon for the application of vehicle system dynamics concepts in developing controllers for road trains. Discussions are presented on the influences of systems for steering axles on trailers and using differential braking to control the yaw moment acting on towing and trailing units. These examples provide insight into directional stability issues, which can lead to jackknifing, trailer swing, and rollover as well as performance issues regarding offtracking of rearward units, amplified lateral responses of trailing units, and the smoothness and amplitude of steering control.


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    Title :

    Directional performance issues in evaluation and design of articulated heavy vehicles


    Additional title:

    Richtungsverhalten für die Bewertung und Konstruktion von Sattelschwerfahrzeugen


    Contributors:
    Fancher, P. (author) / Winkler, C. (author)


    Publication date :

    2007


    Size :

    41 Seiten, 11 Bilder, 4 Tabellen, 87 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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