This paper presents the development and experimental verification of a steady-state, half-vehicle cornering model. The goal of this effort is to develop a model which retains the physical insight inherent to simple models, while providing a higher degree of accuracy.The Force-based roll center (FBRC) model is presented as an evolution of traditional kinematic roll center (KRC) modeling. The FBRC model replaces the suspension with moveable wheel-chassis instant center pairs, and incorporates tire force/slip models. The FBRC model iteratively solves for vehicle position and loading during a steady-state cornering maneuver. Experimental verification of the FBRC vehicle model shows modeling accuracy up to tire saturation limits, which is well beyond the 0.4 g accuracy limit of KRC models.


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    Title :

    A Force-Based Roll Center Model for Vehicle Suspensions


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Motorsports Engineering Conference & Exposition ; 1996



    Publication date :

    1996-12-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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