Efficiency characteristics are considered of simple control types (constant pressure and constant power) applied to a variable displacement pump as single unit or in connexion with a fixed displacement motor or a dummy actuator (having efficiency features of a transmission line). The most efficient way to implement a specific control is identified in terms of speed and displacement, while basic control parameters result from the optimization of maximum or mean efficiency. Some effects of controls on driving engine fuel consumption and sizing are also discussed. Computations are based on efficiency models devised by authors as approxamation of a number (sometime large) of reference data, and carried out with an original Non-Linear Programming code (FALL77).


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    Titel :

    Hydrostatic transmissions controls - Is there space for optimization?


    Weitere Titelangaben:

    Steuerung des hydrostatischen Getriebes - sind Verbesserungen noch moeglich?


    Beteiligte:
    Zarotti, G.L. (Autor:in) / Nervegna, N. (Autor:in) / Miotto, G. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1978


    Format / Umfang :

    12 Seiten, 16 Bilder, 2 Tabellen, 5 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Hydrostatic Transmissions Controls - Is There Space for Optimization?

    Zarotti, Gian Luca / Miotto, Guido / Nervegna, Nicola | SAE Technical Papers | 1978


    Hydrostatic Transmissions Controls -Is there Space for Optimization?

    Zarotti,G.L. / Nervegna,N. / Miotto,G. et al. | Kraftfahrwesen | 1978


    Controls for Hydrostatic Transmissions-Present and Future

    Meisel, William H. | SAE Technical Papers | 1976


    Controls for Hydrostatic Transmissions - Present and Future

    Meisel,W.H. / Abex,Denison Div.,US | Kraftfahrwesen | 1976


    Mechanical Controls for Vehicles With Hydrostatic Transmissions

    Houk, Richard D. | SAE Technical Papers | 1969