The earth's fossil energy is not limitless, and we should be taking advantage of the highly developed fields of science and technology to utilize it more efficiently and to create a fully environmentally friendly life. Considering the prodigious amount of vehicles in the world today, even a small improvement in their energy-saving performance could have a significant impact.In this paper, a new type of electro-hydraulic power steering (EHPS) system is described. It has two main advantages. First, it can significantly decrease the demand on the motor so that it can be used for a wider range of vehicles. Second, its pressure-flow characteristic can be programmed and is more flexible than hydraulic power steering (HPS) system. A prototype with a 500 W motor was applied to a truck with a front load of 2,700 kg, and static steer sweep tests were conducted to validate its feasibility. In addition, a mathematic model that included a vehicle model and tire model was built using Matlab/Simulink. A driving simulation was performed, and the results confirmed the feasibility of this EHPS system and excellent energy saving performance.


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    Titel :

    A New Type of Electro-Hydraulic Power Steering System for Heavy-Duty Commercial Vehicles


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Song, Jian (Autor:in) / Ma, Liangxu (Autor:in) / Yu, Liangyao (Autor:in) / Cheng, Shuai (Autor:in) / Xuan, Wenwei (Autor:in) / Zhu, Xianmin (Autor:in)

    Kongress:

    SAE 2015 World Congress & Exhibition ; 2015



    Erscheinungsdatum :

    14.04.2015




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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