The enhancement of vehicle cornering stability through active and independent rear toe control is presented. Because toe change in the rear wheel during high-speed turning maneuvers is an important factor influencing vehicle stability, the active rear toe control vehicle such as 4WS (Four-Wheel Steering) vehicle has been developed in past years. Especially, a toe in the rear outer wheel (bump side) plays a dominant role in cornering, hence the 4WIS (Four-Wheel Independent Steering) system which selectively or simultaneously controls the rear wheels, could he suggested. In the proposed system, there are some advantages not only in energy consumption, but also in control responsiveness. The independent rear steering strategy using rear toe control scheme has been developed and its performances were evaluated with the ADAMS full vehicle model. Also, 4WIS system is compared to the conventional 4WS system through the step input and the double lane change test. The simulation results of 4WIS system show the similar handling performance with those of the conventional 4WS system and the total consumed power to control the system in rear wheels was much reduced.


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    Titel :

    Four-wheel independent steering (4WIS) system for vehicle handling improvement by active rear toe control


    Weitere Titelangaben:

    Vierradlenkung von Kraftfahrzeugen für eine aktive Spurregelung


    Beteiligte:
    Lee, S.H. (Autor:in) / Lee, U.K. (Autor:in) / Ha, S.K. (Autor:in) / Han, C.S. (Autor:in)


    Erscheinungsdatum :

    1999


    Format / Umfang :

    10 Seiten, 18 Bilder, 1 Tabelle, 10 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch






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