To provide a communication state diagnostic method and a communication state diagnostic device which can perform communication state determination of stationary value communication executed at initialization of an electric system with accuracy without damaging convenience of a vehicle and leaving mistaken error recording concerning LIN communication in the vehicle on the basis of guaranteeing sufficient safety of the vehicle.SOLUTION: The communication state diagnostic method and the communication state diagnostic device are the communication state diagnostic method and the communication state diagnostic device about the stationary value communication which is executed via LIN communication between a master device and a slave device at the initialization of the electric system of the vehicle, and they perform communication state determination based upon reception success frequency of response from the slave device in accordance with request from the master device and reception success frequency in the master device.SELECTED DRAWING: Figure 1

    【課題】車両の十分な安全性を担保した上で、車両におけるLIN通信に関し、車両の利便性を損なったり、誤ったエラー記録を残したりすることなく、電気系統の初期化時に実施される固定値通信の通信状態判定を的確に行い得る通信状態診断方法及び通信状態診断装置を提供する。【解決手段】本発明に係る通信状態診断方法及び通信状態診断装置は、車両の電気系統の初期化時にマスタ装置とスレーブ装置との間でLIN通信を介して実施される固定値通信についての通信状態診断方法及び通信状態診断装置であって、前記マスタ装置からの要求に応じた前記スレーブ装置からの応答の、前記マスタ装置における受信成功回数に基づいて通信状態判定を行うことを特徴とする。【選択図】図1


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    Title :

    COMMUNICATION STATE DIAGNOSTIC METHOD OF LIN COMMUNICATION AND COMMUNICATION STATE DIAGNOSTIC DEVICE IN VEHICLE


    Additional title:

    車両におけるLIN通信の通信状態診断方法及び通信状態診断装置


    Contributors:

    Publication date :

    2020-02-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr



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