Higher demands for less noise from automotive customers coupled with the reduction of noise and vibration levels from major sources like the engine necessitate better performance of other sources of noise and vibrations in a vehicle. One of these sources is the power steering system. Noise can be transmitted directly from its source, like the pump in a hydraulic system. Objectionable fluid borne noise and vibrations exhibit as a pressure ripple or flow pulsation through fluid lines. This will become an excitation force to the structure of a vehicle or the steering gear and is a considerable source of discomfort to the vehicle passengers. Current power steering technology attenuates this ripple along the pressure line connecting the pump to the steering gear. Finding the optimum configuration for the components (hose, tuner, tube...) has been a matter of experience-based trial and error. A fluid borne noise simulation software program has been developed. It uses the MATLAB language to determine the optimal configuration for a specific application. This optimization procedure determines among other things, finding the optimal hose length in a power steering configuration. Optimization is accomplished on the basis of ripple attenuation at any point along the fluid line. The output results have been verified and validated against measurement data and other validated simulation software.


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    Titel :

    Optimization the power steering components to attenuate noise and vibrations


    Beteiligte:
    Smid, G.E. (Autor:in) / Qatu, M.S. (Autor:in) / Dougherty, M.L. (Autor:in) / Drew, J. (Autor:in)


    Erscheinungsdatum :

    1998


    Format / Umfang :

    10 Seiten, 7 Bilder, 7 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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