During a starting period upon starting of an elevator, a first control system generates a first torque current command value. In a steady period after the elapse of the starting period, a second control system controls an elevator drive unit (100) by generating a second torque current command value by adding, to a torque current command value that the second control system has generated and as an initial value, an offset current command value corresponding to the amount of imbalance load calculated by a car load estimation unit (206) at the time of switching of the control systems.


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    Title :

    Elevator control apparatus, and elevator control method


    Contributors:

    Publication date :

    2015-04-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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