The present invention is provided with: power supply units (32, 40) for supplying drive power to, respectively, a motor (42) and a third electric motor (43); input units (47a-49a) for inputting, respectively, drive commands of a first electric motor (41), a second electric motor (42), and the third electric motor (43); and a control unit (50) for controlling the power supply unit (40) according to the drive commands input from the input units (47a-49a). The control unit (50) limits the total supplied power (Pt), which is the sum of the power supplied to the first electric motor (41), the second electric motor (42), and the third electric motor (43), to a second total supplied power (Ptb) that is smaller than a first total supplied power (Pta), which is the sum of the power (Pa) supplied to the electric motors (41-43) when each of the electric motors (41-43) is driven and accelerated independently.


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    Title :

    Crane controller


    Contributors:

    Publication date :

    2015-11-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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