The high-speed but accurate on/off positioning of a low-pressure water hydraulic cylinder is realized by connecting a large 4/3 on/off valve in parallel with four small 2/2 on/off valves. Design rules for the dimensioning of the valves are given based on the required position accuracy and maximum allowed pressure peaks. Experimental results with a 100 kg load mass show that 400 mm/s velocity and 0.3 mm position accuracy can be achieved despite of variations in load force, piston position or stroke length.


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    Titel :

    High-Speed On/Off Position Control of a Low-Pressure Water Hydraulic Cylinder Drive


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Sairiala, Harri (Autor:in) / Koskinen, Kari T. (Autor:in) / Linjama, Matti (Autor:in) / Vilenius, Matti (Autor:in)

    Kongress:

    International Off-Highway & Powerplant Congress ; 2002



    Erscheinungsdatum :

    2002-03-19




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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