This paper describes a simulation study conducted as part of the development of a hydraulic active roll control suspension. The system is based upon roll bars with integral closed loop position controlled hydraulic rotary actuators supplied with flow by a single proportional valve. A theoretical analysis of the fundamental characteristics of the system is presented together with the simulation implementation. System performance is examined, parameter sensitivity studies are untertaken and a number of practical measures to enhance performance are considered. The roll control system was largely insensitive to hydraulic system changes, control valve bandwidth being the most important parameter. Speed dependent gain scheduling of the forward path actuation system roll moment controller was shown to partially overcome the problem of vehicle dynamics which change with forward speed. A comparison of actuator displacement and actuator differential pressure feedback systems demonstrated that while the roll control performance of the former system was superior, the ride performance was inferior.


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    Title :

    A theoretical investigation of a prototype active roll control system


    Additional title:

    Theoretische Untersuchung einer aktiven Rollregelung mit einem nichtlinearen Fahrzeug-Simulationsmodell


    Contributors:


    Publication date :

    1997


    Size :

    10 Seiten, 12 Bilder, 1 Tabelle, 12 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





    A theoretical investigation of a prototype active roll control system

    Darling, J / Ross-Martin, T. J. | SAGE Publications | 1997


    A theoretical investigation of a prototype active roll control system

    Darling,J. / Ross-Martin,T.J. / Univ.of Bath,School of Mech.Engng.,GB et al. | Automotive engineering | 1997


    Experimental study of a prototype active anti-roll suspension system

    Darling, J. / Hickson, L.R. | Tema Archive | 1998


    MSTS's roll-on, roll off prototype

    Engineering Index Backfile | 1955