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1. (WO2018043107) ON-BOARD UPDATE DEVICE AND ON-BOARD UPDATE SYSTEM

Pub. No.:    WO/2018/043107    International Application No.:    PCT/JP2017/029285
Publication Date: Fri Mar 09 00:59:59 CET 2018 International Filing Date: Tue Aug 15 01:59:59 CEST 2017
IPC: G06F 11/00
B60R 16/02
B60R 16/04
Applicants: AUTONETWORKS TECHNOLOGIES, LTD.
株式会社オートネットワーク技術研究所
SUMITOMO WIRING SYSTEMS, LTD.
住友電装株式会社
SUMITOMO ELECTRIC INDUSTRIES, LTD.
住友電気工業株式会社
Inventors: NAKAMURA,Souichi
中村 聡一
Title: ON-BOARD UPDATE DEVICE AND ON-BOARD UPDATE SYSTEM
Abstract:
The present invention provides an on-board update device and an on-board update system that are able to prevent significant decrease in the amount of electric power stored in a battery during an update process. The on-board update device is provided with an update processing unit for performing a process to update a program or data stored in a storage unit of a communication device mounted in a vehicle. The on-board update device is further provided with: an update information acquisition unit that performs a process to acquire an update program or data from a device outside of the vehicle; a required electric power amount estimation unit that estimates the amount of electric power required for update processing using the update program or data acquired by the update information acquisition unit; and a battery electric power amount acquisition unit that acquires the amount of electric power accumulated in a battery of the vehicle, wherein the update processing unit performs update processing in accordance with: the amount of electric power estimated by the required electric power amount estimation unit; the amount of electric power acquired by the battery electric power amount acquisition unit; and the priority of the update program or data acquired by the update information acquisition unit.