The design of passive suspension systems using conventional springs and dampers is limited by the need to compromise between vehicle ride and handling functions. The Interconnected Hydragas Suspension fitted to the current Rover 100 series partially allays this compromise by reducing the vehicle pitch stiffness without affecting the bounce and roll stiffnesses. However, the vehicle body is still subject to roll during cornering manoeuvres. This paper outlines the development and simulation of a sealed low bandwidth active roll control suspension based on the existing Interconnected Hydragas System. Following a brief explanation of the Hydragas suspension operating principle the paper outlines the design of a fluid displacer or shuttle. This shuttle enables control over body roll during manoeuvres by displacing fluid from one side of the car to the other. Care is taken to ensure low power consumption whilst the sealed nature of the fluid based suspension units guarantee reliable operation without leakage. Using computer simulation, the system performance is predicted and compared with experimental measurements. It is shown that roll during manoeuvres can be reduced or eliminated using a minimum of hydraulic components with only moderate power consumption and cost.


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    Title :

    Development and simulation of a novel roll control system for the interconnected hydragas suspension


    Contributors:
    Rosam, N. (author) / Darling, J. (author)

    Published in:

    Publication date :

    1997


    Size :

    18 Seiten, 19 Bilder, 9 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





    Hydragas Suspension

    Moulton,A.E. / Best,A. / Moulton Developments,GB | Automotive engineering | 1979



    From hydrolastic to hydragas suspension

    Moulton, A.E. / Best, A. | Tema Archive | 1979


    Development and simulation of a novel roll control system for the interconnected Hydragas suspension

    Rosam,N. / Darling,J. / Univ.of Bath,GB | Automotive engineering | 1997