公开(公告)号：US20230406376A1

公开(公告)日：2023-12-21

申请号：US18044712

申请日：2020-09-14

申请人： Mitsubishi Electric corporation

发明人： Kiyomasa MIWA ,  Takahiro ITO ,  Ken SHIBATA

IPC分类号： B61L15/00

CPC分类号： B61L15/0081 ,  B61L15/009

摘要： A central apparatus to be installed on a train, includes: a communication unit that acquires device information indicating a state of a device from the device installed on the train; and a control unit that determines whether to change a failure level to be displayed, with reference to a failure level display definition on the basis of the device information acquired from the device, the failure level display definition defining a condition for changing the failure level indicating a state of a failure of the device to be displayed when the failure of the device is displayed on a display apparatus.