To provide a device for accurately estimating an accident risk of a driver.SOLUTION: An accident risk diagnosis device performs: storing travel data being the data indicating travel states for each day and time of each one of multiple vehicles and information related to past accidents of the multiple vehicles; extracting travel data in a predetermined period before the day of an accident and travel data on the day of an accident among travel data; generating training data for each trip being a period from a start to an end of a vehicle on the basis of extracted travel data; generating an accident risk diagnosis model being a mechanical learning model for diagnosing an accident risk with the use of training data; diagnosing an accident risk by inputting a feature quantity in a trip of a vehicle to be a diagnosis object of an accident risk to an accident risk diagnosis model; and transmitting a diagnosis result to an on-vehicle unit mounted on the vehicle.SELECTED DRAWING: Figure 3

    【課題】運転者の事故リスクを精度よく推定する仕組みを実現する。【解決手段】事故リスク診断装置は、複数の車両の夫々の日時ごとの走行状態を示すデータである走行データと、複数の車両の過去の事故に関する情報とを記憶し、走行データのうち、事故当日前の所定期間の前記走行データと、事故当日における走行データと、を抽出し、抽出した走行データに基づき、車両の起動から終了までの期間であるトリップ毎の訓練データを生成し、訓練データを用いて事故リスクを診断する機械学習モデルである事故リスク診断モデルを生成し、事故リスクの診断対象となる車両のトリップにおける特徴量を事故リスク診断モデルに入力して事故リスクを診断し、車両に搭載されている車載機に診断結果を送信する。【選択図】図3


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    Title :

    ACCIDENT RISK DIAGNOSIS METHOD, ACCIDENT RISK DIAGNOSIS DEVICE, AND ACCIDENT RISK DIAGNOSIS SYSTEM


    Additional title:

    事故リスク診断方法、事故リスク診断装置、及び事故リスク診断システム


    Contributors:

    Publication date :

    2021-02-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G06Q Datenverarbeitungssysteme oder -verfahren, besonders angepasst an verwaltungstechnische, geschäftliche, finanzielle oder betriebswirtschaftliche Zwecke, sowie an geschäftsbezogene Überwachungs- oder Voraussagezwecke , DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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