Title:
MONITORING DEVICE AND MONITORING METHOD
Document Type and Number:
WIPO Patent Application WO/2018/003237
Kind Code:
A1
Abstract:
The present invention provides a technology with which it is possible, in estimating the cause of an event, to take into account the probability of occurrence of each cause. A monitoring device having: a first probability management unit for associating an event that can occur in a system being monitored and each cause that can cause the event to occur with a first probability that the event will occur when each of the causes occurred; a second probability management unit for calculating a second probability that each of the causes will appear; and an estimation unit for estimating the cause of the event that occurred in the system being monitored on the basis of a third probability, synthesized from the first probability and the second probability, and which is the probability that when the event occurred, the event was attributable to the causes.
Inventors:
INUDUKA TATSUKI (JP)
Application Number:
PCT/JP2017/015225
Publication Date:
January 04, 2018
Filing Date:
April 14, 2017
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
G06Q10/04; G01R31/08; G01R31/50; G06Q10/00; H02J3/00; H02J13/00
Foreign References:
| JP2006252422A | 2006-09-21 | |||
| JP2009017637A | 2009-01-22 | |||
| US6076083A | 2000-06-13 |
Other References:
TOMOAKI, YOSHIDA: "Bayesian-tokei ni yoru genshiryoku hatsudensho no shinarisei parameter hyoka shuho kiki jikan koshoritsu demand kosho kakuritsu no bayasian-koshin", CRIEPI RESEARCH REPORT L05019, CENTRAL RESEARCH INSTITUTE OF ELECTRIC POWER INDUSTRY, NUCLEAR TECHNOLOGY RESEARCH LABORATORY, 1 July 2006 (2006-07-01), pages 1 - 4
Attorney, Agent or Firm:
WILLFORT INTERNATIONAL PATENT FIRM (JP)
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