This invention relates to a method for preventive maintenance of an elevator speed sensor system comprising at least a first and a second sensor, which are independent of each other. The method comprises: determining a reference distance for an elevator car travel between a first door zone and a second door zone, during the elevator car travel, defining continuously a first elevator car speed information from the first sensor and a second elevator car speed information from the second sensor, calculating a cumulative sensor system error by integrating the difference between the first elevator car speed information and the second elevator car speed information, and dividing the cumulative sensor system error with the reference distance to obtain a sensor system performance indicator.


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    Titel :

    A METHOD FOR PREVENTIVE MAINTENANCE OF AN ELEVATOR AND AN ELEVATOR SYSTEM


    Weitere Titelangaben:

    VERFAHREN ZUR PRÄVENTIVEN WARTUNG EINES AUFZUGS UND EINES AUFZUGSYSTEMS
    PROCÉDÉ D'ENTRETIEN PRÉVENTIF D'UN ASCENSEUR ET SYSTÈME D'ASCENSEUR


    Beteiligte:
    MUSTONEN MATTI (Autor:in) / AITAMURTO JUHA-MATTI (Autor:in) / JUSSILA ARI (Autor:in) / LEPPÄKOSKI ARTTU (Autor:in)

    Erscheinungsdatum :

    02.06.2021


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66B Aufzüge , ELEVATORS



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