Title:
DISTRIBUTED MONITORING CONTROL SYSTEM
Document Type and Number:
Japanese Patent JP2007156744
Kind Code:
A
Abstract:
To quickly reflect the frequent change of a facility database on each computer, and to enable each computer to autonomously perform a restoration operation after the occurrence of failure in a multiplexed system such as a power system monitoring control system.
When the content change of a facility database is developed to main computers A and B and a test computer C by a maintenance computer D, on-line facility DB 104, 204 and 304 stored on the main memory of each computer are saved to memories 10, 105, 205 and 305 for saving using non-volatile storage media on every facility database switching processing, and each computer is made individually performs restoration when failure occurs by using the data stored in the memories for saving.
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Inventors:
FUJIWARA TORU
MAYAMA OSAMU
HASHIGUCHI TORU
MAYAMA OSAMU
HASHIGUCHI TORU
Application Number:
JP2005349764A
Publication Date:
June 21, 2007
Filing Date:
December 02, 2005
Export Citation:
Assignee:
HITACHI LTD
International Classes:
G06F12/00
Domestic Patent References:
| JP2005301438A | 2005-10-27 | |||
| JPH09146814A | 1997-06-06 | |||
| JP2002318632A | 2002-10-31 | |||
| JP2000330779A | 2000-11-30 |
Attorney, Agent or Firm:
Yoshitsuno Kakuda