PROBLEM TO BE SOLVED: To provide an alarm output device for preventing an accident due to drowsy driving by alarming a driver about a fact that a vibration having a high probability to cause drowsiness is being generated and predicting the occurrence of drowsiness.SOLUTION: An alarm output device includes: a sensor for detecting a vibration wave of a vibration in a vehicle; and a controller for resolving the vibration wave output from the sensor into first and second frequencies, determining whether a ratio of a difference between intensity of the first frequency and intensity of the second frequency to a difference between the first frequency and the second frequency satisfies a predetermined condition, and outputting alarm on the basis of a determination result.SELECTED DRAWING: Figure 7

    【課題】眠気を引き起こす可能性が高い振動が発生していることを運転者に警告し、眠気の発生を予測して、居眠り運転による事故を未然に防止する警告出力装置を提供する。【解決手段】警告出力装置は、車両における振動の振動波を検出するセンサと、前記センサから出力された前記振動波を第1及び第2の周波数に分解し、前記第1の周波数と前記第2の周波数との差分に対する、前記第1の周波数の強さと前記第2の周波数の強さとの差分の割合が、所定の条件を満たすか否かを判定し、判定結果に基づいて警告を出力するコントローラとを備える。【選択図】図7


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    Title :

    ALARM OUTPUT DEVICE AND ALARM OUTPUT CONTROL PROGRAM


    Additional title:

    警告出力装置及び警告出力制御プログラム


    Contributors:
    KATO SHOJI (author)

    Publication date :

    2018-07-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion



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