To measure a tread wear amount of a tire using the irregularity of acceleration signal of a tire due to an increase in tire wear.SOLUTION: There is provided a technique of quantifying a change in irregularity appearing in an acceleration signal of a tire and measuring a tread wear amount of the tire using the quantified change. A tire wear measuring apparatus comprises: a signal receiving unit measuring acceleration inside a tire with respect to an axial direction, which is a radial direction of the tire, for each point inside the tire; a broad pass filtering unit receiving the measured acceleration signal from the signal receiving unit and performing filtering as a preprocessing on the acceleration signal; a signal analysis unit estimating a tread wear rate of the tire by quantifying irregularity of the acceleration signal using a processed signal that is a signal filtered through the broad pass filter; a transmitting unit to which analysis information being information on the tread wear rate of the tire is transferred from the signal analysis unit and transmitting the analysis information; and a control module to which the analysis information is transferred from the transmitting unit and which generates a control signal for a vehicle in which the tire is installed.SELECTED DRAWING: Figure 6

    【課題】タイヤの摩耗の増加に伴うタイヤの加速度信号の不規則性を用いてタイヤトレッドの摩耗量を測定する。【解決手段】タイヤの加速度信号に表れる不規則性の変化を数値化し、タイヤトレッドの摩耗量を測定する技術を提供する。タイヤ摩耗測定装置は、タイヤの半径方向である軸方向のタイヤ内部の加速度を各点に対して測定する信号受信部と、加速度信号に対する前処理としてフィルタリングを遂行する広域通過フィルタ部と、広域通過フィルタ部を通してフィルタリングされた信号である処理信号を用いて加速度信号の不規則性を数値化することでタイヤのトレッド摩耗率を推定する信号解析部と、信号解析部からタイヤのトレッド磨耗率に対する情報である分析情報を伝達されて送信する送信部と、送信部から分析情報を伝達されてタイヤが設置された車両に対する制御信号を生成する制御モジュールと、を備える。【選択図】図6


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    Titel :

    TIRE WEAR MEASURING APPARATUS USING IRREGULARITY OF TIRE ACCELERATION SIGNAL AND TIRE WEAR MEASURING METHOD USING SAME


    Weitere Titelangaben:

    タイヤ加速度信号の不規則性を用いたタイヤの摩耗測定装置及びそれを用いたタイヤの摩耗測定方法


    Beteiligte:
    KIM MIN TAE (Autor:in) / LEE HO JONG (Autor:in) / CHOI SEI BUM (Autor:in) / JEONG DA SOL (Autor:in) / LEE JONG HYUP (Autor:in)

    Erscheinungsdatum :

    2021-04-15


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen / B60C VEHICLE TYRES , Fahrzeugreifen / G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES



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