SENSOR MONITORING DEVICE, SENSOR MONITORING METHOD, AND SENSOR MONITORING PROGRAM

WIPO Patent Application WO/2014/091952

A1

Provided is a technology that monitors sensors themselves and prevents misdiagnosis caused by deterioration over time and environmental changes. This sensor monitoring device provided in power plants comprises: a plurality of sensor sets each including a plurality of sensors; a database that models the correlation between sensor values from the plurality of sensors configuring each sensor set and the sensor values from a plurality of sensors configuring other sensor sets, and stores same as a relationship model; and a correlation detection module. The correlation detection module: compares the correlation between the sensor detection values for the plurality of sensors configuring each sensor set and the sensor detection values for the plurality of sensors configuring the other sensor sets, and the correlation to the modeled relationship model stored in the database, and detects deviation from the correlation to the modeled relationship model, in the correlation between the detected sensor values.

TERASAWA SATOSHI (JP)
KATOU MASAYA (JP)
YAMAMOTO TAKAYUKI (JP)
ASAKURA TAKAYOSHI (JP)
HAYASHI TSUKASA (JP)
YAMAMOTO HIDEO (JP)
IKUTA TAKEO (JP)
ADACHI MASARU (JP)
SAKIBE MASAHIRO (JP)
MIYA KENZO (JP)
SOMA TOMOYA (JP)
TAKAGI MAYUMI (JP)
OISHI TOSHIYUKI (JP)

PCT/JP2013/082303

June 19, 2014

November 25, 2013

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NEC CORP (JP)
CHUGOKU ELECTRIC POWER (JP)

G05B23/02

WO2010110021A1

2010-09-30

JPH07110708A	1995-04-25
JPH04151515A	1992-05-25
JP2003207373A	2003-07-25
JP2012242159A	2012-12-10
JP2013073414A	2013-04-22

IKEDA, Noriyasu et al. (JP)
Noriyasu Ikeda (JP)

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