PROBLEM TO BE SOLVED: To efficiently perform diagnosis of an elevator with high accuracy.SOLUTION: An elevator diagnostic system calculates a feature quantity from measured data (sensor data), specifies an operation state of an elevator based on the measured data of the elevator to be diagnosed, selects a combination of a normal model and a diagnostic threshold corresponding to a combination of a type or an identifier of the elevator to be diagnosed and the operation state specified for the elevator, calculates a probability measured in a normal state of the feature quantity based on the feature quantity calculated from the measured data that is obtained about the elevator to be diagnosed and the normal model, and diagnoses a state of the elevator by comparing the calculated probability with the threshold obtained about the elevator to be diagnosed. The elevator diagnostic system, for example, learns a plurality of normal models whose complexities are different from one another and selects a normal model with a minimum complexity among the learned plurality of normal modes.SELECTED DRAWING: Figure 3

    【課題】効率よく高い精度で昇降機の診断を行う。【解決手段】昇降機診断システムは、計測データ(センサデータ)から特徴量を求め、診断対象となる昇降機の計測データに基づき当該昇降機の運転状態を特定し、診断対象の昇降機の種別又は識別子と当該昇降機について特定した運転状態との組み合わせに対応する、正常モデルと診断用閾値との組み合わせを選択し、診断対象の昇降機について取得した計測データから求めた特徴量と正常モデルとに基づき、特徴量が正常状態で観測される確率を求め、求めた確率を診断対象の昇降機について取得した閾値と比較することにより昇降機の状態を診断する。昇降機診断システムは、例えば、複雑度の異なる複数の正常モデルを学習し、学習した複数の正常モデルのうち複雑度が最小のものを選択する。【選択図】図3


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    Titel :

    ELEVATOR DIAGNOSTIC SYSTEM, ELEVATOR DIAGNOSTIC DEVICE, AND ELEVATOR DIAGNOSTIC METHOD


    Weitere Titelangaben:

    昇降機診断システム、昇降機診断装置、及び昇降機診断方法


    Beteiligte:
    ENDO TAKASHI (Autor:in) / KAWAGUCHI YOHEI (Autor:in) / ONISHI TOMOJI (Autor:in) / ICHIGE SEIICHI (Autor:in) / WATANABE TAKAYUKI (Autor:in)

    Erscheinungsdatum :

    2018-06-21


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B66B Aufzüge , ELEVATORS / G05B Steuer- oder Regelsysteme allgemein , CONTROL OR REGULATING SYSTEMS IN GENERAL



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