A command rotational speed deceleration which is a deceleration of a command rotational speed set by a command rotational speed setting unit is larger than an actual rotational speed deceleration which is a deceleration of an actual rotational speed of an electric motor by a controlling output of a motor driver. Since the actual rotational speed deceleration is smaller than the command rotational speed deceleration, the actual rotational speed can be gradually decreased. Therefore, the decrease in a cylinder flow rate can be gradually suppressed in accordance with the decrease in the actual rotational speed. Since the command rotational speed deceleration is larger than the actual rotational speed deceleration, the command rotational speed can be promptly decreased. Therefore, the actual rotational speed is promptly equal to the command rotational speed, and the increase in the actual rotation can be suppressed. Accordingly, an increase in the cylinder flow rate can be suppressed.


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    Titel :

    HYDRAULIC DRIVE DEVICE FOR CARGO VEHICLE


    Weitere Titelangaben:

    HYDRAULISCHE ANTRIEBSVORRICHTUNG FÜR EIN FRACHTFAHRZEUG
    DISPOSITIF D'ENTRAÎNEMENT HYDRAULIQUE POUR VÉHICULE DE CHARGEMENT


    Beteiligte:
    UEDA YUKI (Autor:in)

    Erscheinungsdatum :

    24.06.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein



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