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Patent Searching and Data


Title:
VEHICLE CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/235790
Kind Code:
A1
Abstract:
Provided is a vehicle control device with which it is possible to suppress the increase in startup time which accompanies the increase in communications-related functional units. The present invention comprises a power supply device (3) with which it is possible to supply or cut off operating power to a microcomputer (2) which communicates with other electronic control devices via CAN communication paths (CAN1, CAN2), and communication control devices (4, 6) which are provided to the plurality of CAN communication paths (CAN 1, CAN2) used in microcomputer (2) communications; wherein, when the communication control device (4) receives a control startup command signal via the CAN communication path (CAN1) relevant to the communication control device (4) to start up the microcomputer (2), the communication control device (4) switches from standby mode, in which functions are limited, to operating mode, and sends a power supply startup command signal to direct the power supply device (3) to switch the mode of the operating power supply to the microcomputer (2) from cutoff to supply, and, in addition, outputs a communication startup command signal to the communication control device (6) directing a switch from standby mode to operating mode.

Inventors:
KANEKO SHUHEI (JP)
OSADA KENICHI (JP)
Application Number:
PCT/JP2018/023193
Publication Date:
December 27, 2018
Filing Date:
June 19, 2018
Export Citation:
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Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
B60R16/02; B60R16/023; G06F9/4401
Foreign References:
JP2014165746A2014-09-08
JP2016048848A2016-04-07
JP2017061166A2017-03-30
Attorney, Agent or Firm:
TODA Yuji (JP)
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