Tyre lateral force is one of the most important parameters of the tyre and is critical for vehicles handling and stability performance. For wheeled off-road vehicles, the effects of deformable surface on tyre performance must be considered. This paper presents a study on tyre lateral force measurement on three different deformable surfaces: loess soil, sandy soil and wet snow. The lateral force was measured on two front wheels of a light SUV by means of two 6-element Rotating Wheel Dynamometers (RWDs). The front wheels of the vehicle were turned by a steering robot installed in the vehicle to obtain repeatable excitation of the wheels at various angular speeds (100, 500 and 1500 °/s) and frequencies (0.5, 1 and 2.5 Hz). During measurements, the test vehicle was pulled by a tractor vehicle of a significantly higher weight to ensure linear movement. This paper presents and discusses the tyre lateral force results and characteristics.


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    Title :

    Effects of steering dynamics upon tyre lateral forces on deformable surfaces


    Contributors:

    Published in:

    Publication date :

    2014


    Size :

    25 Seiten, Bilder, Tabellen, Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    Effects of steering dynamics upon tyre lateral forces on deformable surfaces

    Pytka,J. / Tech.Univ.of Lublin,PL | Automotive engineering | 2014




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