An elevator safety monitoring system, an elevator system, an elevator drive unit, and a method for operating an elevator are presented. The elevator safety monitoring system includes an elevator car absolute position and speed feedback device, a safety monitor connected to the absolute position and speed feedback device, and a safety zone extending inside an elevator shaft. The safety zone is associated with an allowable maximum speed of an elevator car, wherein the allowable maximum speed is lower than a rated speed of an elevator car outside the safety zone, wherein the safety monitor is configured to determine a slowdown failure of the elevator car approaching the safety zone, and, upon the determination of the slowdown failure, command an actuator to decelerate the elevator car to the allowable maximum speed.


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    Titel :

    ELEVATOR SAFETY MONITORING SYSTEM, ELEVATOR SYSTEM, ELEVATOR DRIVE UNIT, AND METHOD FOR OPERATING AN ELEVATOR


    Beteiligte:
    TALONEN TAPANI (Autor:in) / RAHKONEN KARI (Autor:in) / SIIRONEN TAPIO (Autor:in) / VILJANEN MIKKO (Autor:in)

    Erscheinungsdatum :

    02.12.2021


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66B Aufzüge , ELEVATORS



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