To provide a road surface condition identification system, road surface condition identification device, and computer program, which allow for accurately identifying passage of a vehicle over bumps by utilizing a combination of sensors generally installed in many vehicles.SOLUTION: A road surface condition identification system provided herein is configured to: acquire front-rear acceleration being acceleration in a front-rear direction of a vehicle, and acquire a front-rear wheel speed difference being a difference in rotational speed between front wheels and rear wheels of the vehicle; and identify that the vehicle has passed over a bump when the front-rear wheel speed difference becomes equal to or greater than a second threshold within a given period of time after a rate of change in the front-rear acceleration becomes equal to or greater than a first threshold.SELECTED DRAWING: Figure 9

    【課題】一般的に車両に多く搭載されているセンサを組み合わせて用いることにより、正確に車両の段差の通過を判定することを可能にした路面状態特定システム、路面状態特定装置及びコンピュータプログラムを提供する。【解決手段】車両に対して前後方向に生じた加速度である前後加速度を取得するとともに、車両の前輪と後輪の回転速度の差である前後車輪速差を取得し、前後加速度の変化率が第1閾値以上となった時点から所定期間内に、前後車輪速差が第2閾値以上となった場合に、車両が段差を通過したと特定するように構成する。【選択図】図9


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    ROAD SURFACE CONDITION IDENTIFICATION SYSTEM, ROAD SURFACE CONDITION IDENTIFICATION DEVICE, AND COMPUTER PROGRAM


    Weitere Titelangaben:

    路面状態特定システム、路面状態特定装置及びコンピュータプログラム


    Beteiligte:
    SHIBATA MOTOO (Autor:in) / HAKAMADA DAICHI (Autor:in) / ASANO SHUNGO (Autor:in)

    Erscheinungsdatum :

    2020-12-03


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



    ROAD SURFACE CONDITION IDENTIFICATION SYSTEM, ROAD SURFACE CONDITION IDENTIFICATION DEVICE, AND COMPUTER PROGRAM

    SHIBATA MOTOO / HAKAMADA DAICHI / ASANO SHUNGO | Europäisches Patentamt | 2020

    Freier Zugriff

    ROAD SURFACE CONDITION IDENTIFICATION SYSTEM, ROAD SURFACE CONDITION IDENTIFICATION DEVICE AND COMPUTER PROGRAM

    SHIBATA MOTOO / HAKAMADA DAICHI / ASANO SHUNGO et al. | Europäisches Patentamt | 2021

    Freier Zugriff

    Road surface condition identification apparatus

    KANBAYASHI RYOSUKE / MORI MASASHI / SEKIZAWA TAKATOSHI et al. | Europäisches Patentamt | 2023

    Freier Zugriff

    ROAD SURFACE CONDITION IDENTIFICATION APPARATUS

    KANBAYASHI RYOSUKE / MORI MASASHI / SEKIZAWA TAKATOSHI et al. | Europäisches Patentamt | 2020

    Freier Zugriff