To provide a signal processing device capable of generating a signal suited for confirming a strand cut signal.SOLUTION: A signal processing device (10) comprises: a signal acquisition unit (111) that acquires a magnetic flux measurement signal of an elevator rope (1); a strand signal identification unit (112) that identifies the frequency and the amplitude of a strand signal included in the measurement signal; an SN calculation unit (114) that calculates the SN ratio of a value of the amplitude of a strand cut signal to the values including the amplitude of the strand signal; a high-pass filter determination unit (115) that selects a cutoff frequency on the basis of the SN ratio; and a filter application unit (116) that applies a high-pass filter to the measurement signal.SELECTED DRAWING: Figure 1

    【課題】素線切れ信号の確認に適した信号を生成することが可能な信号処理装置を提供する。【解決手段】信号処理装置(10)は、エレベータ用ロープ(1)の磁束の計測信号を取得する信号取得部(111)と、計測信号に含まれるストランド信号の周波数および振幅を特定するストランド信号特定部(112)と、ストランド信号の振幅を含む値に対する素線切れ信号の振幅の値のSN比を算出するSN比算出部(114)と、SN比に基づいてカットオフ周波数を選択するハイパスフィルタ決定部(115)と、ハイパスフィルタを計測信号に適用するフィルタ適用部(116)と、を備える。【選択図】図1


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    Title :

    SIGNAL PROCESSING DEVICE AND SIGNAL PROCESSING METHOD


    Additional title:

    信号処理装置および信号処理方法


    Contributors:
    KANEKO MOTOKI (author) / SATO KOICHI (author) / TIAN LI JUN (author)

    Publication date :

    2024-10-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS / G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES



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