Title:
REMOTE MAINTENANCE DEVICE, TRAIN OPERATION MANAGEMENT SYSTEM, AND SOFTWARE UPGRADE METHOD
Document Type and Number:
Japanese Patent JP2016068878
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a technology to reduce the time required for software distribution to a control device in a train operation management system.SOLUTION: A remote maintenance device 101 connected to a control device in a train operation management system through a communication channel for upgrading the software of the control device from a remote place, includes: information reception parts 204 and 206 for receiving operation-related information related to a train operation; a transmission speed determination part 211 for determining a state of a load on the control device based on the operation-related information, and, according to the state of the load, determining a transmission speed at which to transmit the upgrade software to the control device; and an upgrade software transmission part 213 for transmitting the upgrade software to the control device at the transmission speed.SELECTED DRAWING: Figure 2
Inventors:
MAJIMA YASUYUKI
Application Number:
JP2014202773A
Publication Date:
May 09, 2016
Filing Date:
October 01, 2014
Export Citation:
Assignee:
HITACHI LTD
International Classes:
B61L27/00; G06F9/445
Domestic Patent References:
| JP2005306145A | 2005-11-04 | |||
| JP2005067256A | 2005-03-17 | |||
| JPS6425266A | 1989-01-27 | |||
| JP2009217488A | 2009-09-24 | |||
| JP2005306145A | 2005-11-04 | |||
| JP2005067256A | 2005-03-17 | |||
| JPS6425266A | 1989-01-27 | |||
| JP2009217488A | 2009-09-24 |
Attorney, Agent or Firm:
Wilfort International Patent Office
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