A slewing control device (100) is used for a crane (10) that includes an upper slewing body (12), a lower travelling body (14), a slewing drive unit (101), and an attachment (10S). A controller (110) in the slewing control device (100) enables the slewing drive unit (101) to operate based on feedforward control to slew the upper slewing body (12) at a target slewing speed. The controller (110) generates a corrected command signal by correcting a reference command signal set in advance in response to a predetermined target slewing speed, based on information about a variation factor causing the slewing speed to vary. The controller (110) inputs the corrected command signal to the slewing drive unit (101).


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    Title :

    ROTATION CONTROL DEVICE OF WORK MACHINE AND WORK MACHINE EQUIPPED WITH SAME


    Additional title:

    ROTATIONSSTEUERUNGSVORRICHTUNG EINER ARBEITSMASCHINE UND DAMIT AUSGESTATTETE ARBEITSMASCHINE
    DISPOSITIF DE COMMANDE DE ROTATION D'ENGIN DE CHANTIER ET ENGIN DE CHANTIER ÉQUIPÉ DE CELUI-CI


    Contributors:

    Publication date :

    2025-01-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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