A lift device and a method of controlling the lift device are provided. The lift device has an electric motor drivingly coupled to a traction device, and a traction battery. A hydraulic circuit has a pump with a pump motor, and a valve. In response to a voltage being above a threshold voltage while the electric motor is outputting a braking torque and providing electrical power to the battery, flow of the pump is increased and the valve is controlled to reduce a size of the valve opening and increase pressure in the pressure galley thereby reducing electrical power to the traction battery. The flow of the pump and the valve position are therefore controlled in response to a braking power output being greater than a threshold to dissipate braking power output into the hydraulic circuit and charge the traction battery with the remaining braking power output.


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    Titel :

    LIFT DEVICE AND METHOD OF CONTROLLING


    Beteiligte:
    CLARK BRIAN M (Autor:in)

    Erscheinungsdatum :

    2023-03-16


    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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