In a vehicle electronic control system, a vehicle master device includes a vehicle power determination unit that is configured to determine a vehicle power is on, a rewrite-in-progress determination unit that is configured to determine whether rewriting of a program is in progress, a first self-retention power determination unit that is configured to determine whether it is necessary to self-retain power in the vehicle slave device when the vehicle power determination unit determines that the vehicle power is off and when the rewrite-in-progress determination unit determines that rewriting of the program is in progress, and a self-retention power instruction unit that is configured to instruct the vehicle slave device to enable the first self-retention power circuit when the first self-retention power determination unit determines that it is necessary to self-retain the power in the vehicle slave device. The vehicle slave device is configured to enable the first self-retention power circuit when the vehicle master device instructs to enable the first self-retention power circuit.


    Access

    Download


    Export, share and cite



    Title :

    VEHICLE ELECTRONIC CONTROL SYSTEM, SELF-RETENTION POWER EXECUTION CONTROL METHOD AND COMPUTER PROGRAM PRODUCT


    Contributors:

    Publication date :

    2021-05-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    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 / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung



    Electronic control unit, vehicle electronic control system, activation execution control method and computer program product

    HARATA YUZO / UEHARA KAZUHIRO / NATSUME MITSUYOSHI et al. | European Patent Office | 2023

    Free access

    ELECTRONIC CONTROL UNIT, VEHICLE ELECTRONIC CONTROL SYSTEM, ACTIVATION EXECUTION CONTROL METHOD AND COMPUTER PROGRAM PRODUCT

    HARATA YUZO / UEHARA KAZUHIRO / NATSUME MITSUYOSHI et al. | European Patent Office | 2021

    Free access

    VEHICULAR ELECTRONIC CONTROL SYSTEM, POWER SOURCE SELF-HOLDING EXECUTION CONTROL METHOD, AND POWER SOURCE SELF-HOLDING EXECUTION CONTROL PROGRAM

    HARATA YUZO / UEHARA KAZUHIRO / HASEGAWA TAKUYA et al. | European Patent Office | 2020

    Free access

    VEHICULAR ELECTRONIC CONTROL SYSTEM, POWER SOURCE SELF-HOLDING EXECUTION CONTROL METHOD, AND POWER SOURCE SELF-HOLDING EXECUTION CONTROL PROGRAM

    HARADA YUZO / UEHARA KAZUHIRO / HASEGAWA TAKUYA et al. | European Patent Office | 2021

    Free access

    Vehicle electronic control system, program update notification control method and computer program product

    HARATA YUZO / UEHARA KAZUHIRO / NATSUME MITSUYOSHI et al. | European Patent Office | 2023

    Free access