Performance characteristics of passive, active, and broadband adaptive engine mounts are compared over a wide frequency range up to 250 Hz in the context of a quarter-vehicle heave model. The optimal damping coefficient of a rubber-metal mount is determined using random vibration theory. The small-scale active mount employs proportional-plus-integral control based on linear optimal control theory. The new adaptive hydraulic mount system implements an on-off damping control mode by using engine intake-manifold vacuum and a microprocessor-based solenoid valve controller. Through analytical methods, it is observed that this adaptive mount provides most desirable dynamic performance with regard to the engine-bounce control, shock absorption and vibration isolation performance requirements. Although technical prospects of the proposed adaptive system appear promising, in-situ performance needs to be evaluated.


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    Titel :

    Engine Vibration Control Using Passive, Active, and Adaptive Hydraulic Mount Systems


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Kim, Gun (Autor:in) / Singh, Rajendra (Autor:in)

    Kongress:

    Passenger Car Conference & Exposition ; 1993



    Erscheinungsdatum :

    01.10.1993




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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