PROBLEM TO BE SOLVED: To provide a data recording device for a vehicle capable of storing further useful vehicle state data in a storage unit for performing cause analysis of an abnormality, a reproduction test of the abnormality, or the like.SOLUTION: An engine ECU 1 as a data recording device for a vehicle stores vehicle state data in a backup RAM 103 when an abnormality of the vehicle is detected. The engine ECU 1 sets priority for each of a plurality of pieces of vehicle state data on the basis of a vehicle state. The engine ECU 1 stores the plurality of pieces of vehicle state data in the backup RAM 103 in decreasing order of high priority data when the abnormality of the vehicle is detected.SELECTED DRAWING: Figure 1

    【課題】異常の原因解析や再現試験等を行うために、より有用な車両状態データを記憶部に記憶することが可能な車両用データ記録装置を提供する。【解決手段】車両用データ記録装置としてのエンジンECU1は、車両の異常を検出した際に車両状態データをバックアップRAM103に記憶する。エンジンECU1は、複数の車両状態データのそれぞれの優先度を車両状態に基づいて設定する。また、エンジンECU1は、車両の異常を検出した際、複数の車両状態データを、優先度の高いデータから順にバックアップRAM103に記憶する。【選択図】図1


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    Title :

    DATA RECORDING DEVICE FOR VEHICLE


    Additional title:

    車両用データ記録装置


    Contributors:

    Publication date :

    2016-12-15


    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



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