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    ELECTRONIC CONTROL DEVICE
    1.
    发明申请
    ELECTRONIC CONTROL DEVICE 有权

    公开(公告)号：US20210072919A1

    公开(公告)日：2021-03-11

    申请号：US16772289

    申请日：2019-02-01

    申请人： HITACHI AUTOMOTIVE SYSTEMS, LTD.

    发明人： Kenji MASUDA

    IPC分类号： G06F3/06

    摘要： The present invention detects a battery abnormality during a driving cycle or self-shutdown even when a battery voltage sensor is not mounted. In the present invention, a first storage region is provided with a failure information storage region and a second storage region management information storage region, a second storage region is provided with a failure information storage region and a first storage region management information storage region, and a management information access flag storage region for storing access information indicating a presence or absence of an access to management information of the first storage region and management information of the second storage region is provided separately from the first storage region and the second storage region.

    Vehicle-Mounted Control Device or Vehicle-Mounted Control System
    2.
    发明申请
    Vehicle-Mounted Control Device or Vehicle-Mounted Control System 审中-公开

    公开(公告)号：US20170146118A1

    公开(公告)日：2017-05-25

    申请号：US15319025

    申请日：2015-06-08

    申请人： Hitachi Automotive Systems, Ltd.

    发明人： Satoru OKUBO ,  Kenji MASUDA

    IPC分类号： F16H61/12 ,  B60R16/03 ,  F16H61/00

    CPC分类号： F16H61/12 ,  B60R16/02 ,  B60R16/03 ,  F16H61/0003 ,  F16H2061/1292

    摘要： Provided is a power supply breaker circuit diagnosing technique capable of accurately detecting functional failure of a power supply relay of an electronic control device for a vehicular automatic transmission, and capable of reliable transition to a fail-safe state, without requiring a change in the internal configuration of the current electronic control device, and with a minimum of system modification. By utilizing a network communication channel such as a CAN implemented on an electronic control device (ATCU) for a vehicular automatic transmission, and using another electronic control device as an ATCU monitor device, the other electronic control device which is on the monitoring side controls a breaker circuit of the ATCU. The other electronic control device on the monitoring side breaks the breaker circuit of the ATCU for a certain period, and makes a diagnosis by detecting communication loss from the ATCU.