The majority of today's power steering systems employ hydraulic fluid to supply the required assist force, and the fluid is supplied at the desired rate and pressure by an engine-driven pump. However, the industry is currently researching the implementation of electric power steering, which uses an electric motor to supply the necessary assist power. Some of the important advantages of electric power steering are: It is strictly an on-demand system, which results in improved fuel economy because of low parasitic losses. Assist force can be function of vehicle speed. Due to elimination of hydraulics, the system will be modular and easier to assemble. The 'feel' of the system can be easily changed by software changes. This paper will describe the investigation of an experimental electric steering system, which implements a two-input/one-output planetary gear train between the steering wheel and the rack. By virtue of this gear train, the driver effort required to steer the vehicle is reduced, and the overall steering ratio can be varied over a wide range, within the physical limitations of the system.


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    Titel :

    Position dependent power steering


    Weitere Titelangaben:

    Positionsabhängige Servolenkung


    Beteiligte:
    Londhe, J. (Autor:in)


    Erscheinungsdatum :

    1995


    Format / Umfang :

    6 Seiten, 5 Bilder


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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