INTELLIGENT CONDITION MONITORING METHOD AND SYSTEM FOR NUCLEAR POWER PLANTS

The present invention provides a condition monitoring method of a nuclear power plant and a system thereof which reduce a condition prediction error of a sensor during startup, full-output and stop operation of a nuclear power plant and remotely and automatically diagnose conditions of the sensor, a...

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Hauptverfasser: SEONG NO KYU, JUNG KYUNG SUK, KIM DAE WOONG, CHOI HYUN WOO, SIN JAE WON, KIM YUN GOO, KIM HYUCK JONG, MIN JI HO
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creator SEONG NO KYU
JUNG KYUNG SUK
KIM DAE WOONG
CHOI HYUN WOO
SIN JAE WON
KIM YUN GOO
KIM HYUCK JONG
MIN JI HO
description The present invention provides a condition monitoring method of a nuclear power plant and a system thereof which reduce a condition prediction error of a sensor during startup, full-output and stop operation of a nuclear power plant and remotely and automatically diagnose conditions of the sensor, a device, a system, and a power plant so as to provide an early alarm without an error alarm. The condition monitoring system comprises: a first layer for detecting abnormal symptoms of the sensor and the device by comparing a sensor measurement value and a device measurement value with a prediction value; a second layer for classifying a type of the sensor and diagnosing whether the sensor is abnormal based on an abnormal symptom value of the sensor provided from the first layer; and a third layer for diagnosing a condition of a nuclear power plant facility based on the detection and diagnosis results of the sensor provided from the first and second layers and the abnormal symptom result of the device provided from the first layer. 본 발명은 원전 기동, 전출력 및 정지 운전 시에 센서의 상태 예측 오차를 줄이고, 센서, 기기, 계통 및 발전소의 상태를 원격 자동으로 진단하여 오류경보 없이 조기 경보할 수 있는 원전의 상태감시 방법 및 시스템을 제공하기 위하여, 센서 측정값 및 기기 측정값을 예측값과 비교하여 상기 센서와 상기 기기의 이상징후를 감지하는 제1 계층 및 상기 센서의 종류를 구분하고 상기 제1 계층으로부터 제공되는 상기 센서의 이상징후 값을 기반으로 상기 센서의 이상유무를 진단하는 제2 계층 및 상기 제1 및 제2 계층으로부터 제공되는 상기 센서의 감지 및 진단결과와 상기 제1 계층으로부터 제공되는 상기 기기의 이상징후 결과를 기반으로 원전설비의 상태를 진단하는 제3 계층을 포함한다.
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fullrecord <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_KR20210109206A</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>KR20210109206A</sourcerecordid><originalsourceid>FETCH-epo_espacenet_KR20210109206A3</originalsourceid><addsrcrecordid>eNrjZPD29Atx9fHxdHf1C1Fw9vdz8Qzx9PdT8PX38wzxD_L0c1fwdQ3x8HdRcPRzUQiODA5x9VVw8w9S8At19nF1DFII8A93BZI-jn4hwTwMrGmJOcWpvFCam0HZzTXE2UM3tSA_PrW4IDE5NS-1JN47yMjAyNDA0MDSyMDM0Zg4VQBzmy7R</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>INTELLIGENT CONDITION MONITORING METHOD AND SYSTEM FOR NUCLEAR POWER PLANTS</title><source>esp@cenet</source><creator>SEONG NO KYU ; JUNG KYUNG SUK ; KIM DAE WOONG ; CHOI HYUN WOO ; SIN JAE WON ; KIM YUN GOO ; KIM HYUCK JONG ; MIN JI HO</creator><creatorcontrib>SEONG NO KYU ; JUNG KYUNG SUK ; KIM DAE WOONG ; CHOI HYUN WOO ; SIN JAE WON ; KIM YUN GOO ; KIM HYUCK JONG ; MIN JI HO</creatorcontrib><description>The present invention provides a condition monitoring method of a nuclear power plant and a system thereof which reduce a condition prediction error of a sensor during startup, full-output and stop operation of a nuclear power plant and remotely and automatically diagnose conditions of the sensor, a device, a system, and a power plant so as to provide an early alarm without an error alarm. The condition monitoring system comprises: a first layer for detecting abnormal symptoms of the sensor and the device by comparing a sensor measurement value and a device measurement value with a prediction value; a second layer for classifying a type of the sensor and diagnosing whether the sensor is abnormal based on an abnormal symptom value of the sensor provided from the first layer; and a third layer for diagnosing a condition of a nuclear power plant facility based on the detection and diagnosis results of the sensor provided from the first and second layers and the abnormal symptom result of the device provided from the first layer. 본 발명은 원전 기동, 전출력 및 정지 운전 시에 센서의 상태 예측 오차를 줄이고, 센서, 기기, 계통 및 발전소의 상태를 원격 자동으로 진단하여 오류경보 없이 조기 경보할 수 있는 원전의 상태감시 방법 및 시스템을 제공하기 위하여, 센서 측정값 및 기기 측정값을 예측값과 비교하여 상기 센서와 상기 기기의 이상징후를 감지하는 제1 계층 및 상기 센서의 종류를 구분하고 상기 제1 계층으로부터 제공되는 상기 센서의 이상징후 값을 기반으로 상기 센서의 이상유무를 진단하는 제2 계층 및 상기 제1 및 제2 계층으로부터 제공되는 상기 센서의 감지 및 진단결과와 상기 제1 계층으로부터 제공되는 상기 기기의 이상징후 결과를 기반으로 원전설비의 상태를 진단하는 제3 계층을 포함한다.</description><language>eng ; kor</language><subject>NUCLEAR ENGINEERING ; NUCLEAR PHYSICS ; NUCLEAR POWER PLANT ; NUCLEAR REACTORS ; PHYSICS</subject><creationdate>2021</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20210906&amp;DB=EPODOC&amp;CC=KR&amp;NR=20210109206A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20210906&amp;DB=EPODOC&amp;CC=KR&amp;NR=20210109206A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SEONG NO KYU</creatorcontrib><creatorcontrib>JUNG KYUNG SUK</creatorcontrib><creatorcontrib>KIM DAE WOONG</creatorcontrib><creatorcontrib>CHOI HYUN WOO</creatorcontrib><creatorcontrib>SIN JAE WON</creatorcontrib><creatorcontrib>KIM YUN GOO</creatorcontrib><creatorcontrib>KIM HYUCK JONG</creatorcontrib><creatorcontrib>MIN JI HO</creatorcontrib><title>INTELLIGENT CONDITION MONITORING METHOD AND SYSTEM FOR NUCLEAR POWER PLANTS</title><description>The present invention provides a condition monitoring method of a nuclear power plant and a system thereof which reduce a condition prediction error of a sensor during startup, full-output and stop operation of a nuclear power plant and remotely and automatically diagnose conditions of the sensor, a device, a system, and a power plant so as to provide an early alarm without an error alarm. 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The condition monitoring system comprises: a first layer for detecting abnormal symptoms of the sensor and the device by comparing a sensor measurement value and a device measurement value with a prediction value; a second layer for classifying a type of the sensor and diagnosing whether the sensor is abnormal based on an abnormal symptom value of the sensor provided from the first layer; and a third layer for diagnosing a condition of a nuclear power plant facility based on the detection and diagnosis results of the sensor provided from the first and second layers and the abnormal symptom result of the device provided from the first layer. 본 발명은 원전 기동, 전출력 및 정지 운전 시에 센서의 상태 예측 오차를 줄이고, 센서, 기기, 계통 및 발전소의 상태를 원격 자동으로 진단하여 오류경보 없이 조기 경보할 수 있는 원전의 상태감시 방법 및 시스템을 제공하기 위하여, 센서 측정값 및 기기 측정값을 예측값과 비교하여 상기 센서와 상기 기기의 이상징후를 감지하는 제1 계층 및 상기 센서의 종류를 구분하고 상기 제1 계층으로부터 제공되는 상기 센서의 이상징후 값을 기반으로 상기 센서의 이상유무를 진단하는 제2 계층 및 상기 제1 및 제2 계층으로부터 제공되는 상기 센서의 감지 및 진단결과와 상기 제1 계층으로부터 제공되는 상기 기기의 이상징후 결과를 기반으로 원전설비의 상태를 진단하는 제3 계층을 포함한다.</abstract><oa>free_for_read</oa></addata></record>
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subjects NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR POWER PLANT
NUCLEAR REACTORS
PHYSICS
title INTELLIGENT CONDITION MONITORING METHOD AND SYSTEM FOR NUCLEAR POWER PLANTS
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