WO2020262844A3 - 다중 제어 출력신호를 통한 기기의 예지 보전방법 - Google Patents

다중 제어 출력신호를 통한 기기의 예지 보전방법 Download PDF

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Publication number
WO2020262844A3
WO2020262844A3 PCT/KR2020/007281 KR2020007281W WO2020262844A3 WO 2020262844 A3 WO2020262844 A3 WO 2020262844A3 KR 2020007281 W KR2020007281 W KR 2020007281W WO 2020262844 A3 WO2020262844 A3 WO 2020262844A3
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WO
WIPO (PCT)
Prior art keywords
output signal
control output
predictive maintenance
maintenance method
operational information
Prior art date
Application number
PCT/KR2020/007281
Other languages
English (en)
French (fr)
Other versions
WO2020262844A2 (ko
Inventor
이영규
Original Assignee
주식회사 아이티공간
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 아이티공간 filed Critical 주식회사 아이티공간
Priority to US17/611,467 priority Critical patent/US20220214674A1/en
Publication of WO2020262844A2 publication Critical patent/WO2020262844A2/ko
Publication of WO2020262844A3 publication Critical patent/WO2020262844A3/ko

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
    • G05B23/0224—Process history based detection method, e.g. whereby history implies the availability of large amounts of data
    • G05B23/0227—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions
    • G05B23/0235—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions based on a comparison with predetermined threshold or range, e.g. "classical methods", carried out during normal operation; threshold adaptation or choice; when or how to compare with the threshold
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
    • G05B23/0283—Predictive maintenance, e.g. involving the monitoring of a system and, based on the monitoring results, taking decisions on the maintenance schedule of the monitored system; Estimating remaining useful life [RUL]
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
    • G05B23/0221—Preprocessing measurements, e.g. data collection rate adjustment; Standardization of measurements; Time series or signal analysis, e.g. frequency analysis or wavelets; Trustworthiness of measurements; Indexes therefor; Measurements using easily measured parameters to estimate parameters difficult to measure; Virtual sensor creation; De-noising; Sensor fusion; Unconventional preprocessing inherently present in specific fault detection methods like PCA-based methods
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
    • G05B23/0267—Fault communication, e.g. human machine interface [HMI]
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2223/00—Indexing scheme associated with group G05B23/00
    • G05B2223/04—Detection of intermittent failure

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Human Computer Interaction (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Debugging And Monitoring (AREA)
  • Hardware Redundancy (AREA)

Abstract

본 발명은 다중 제어 출력신호를 통한 기기의 예지 보전방법에 관한 것으로, 정상적인 상태의 기기의 작동정보와 고장이 발생하기 전에 나타난 기기의 작동정보를 수집하고, 그 수집된 정보를 기반으로 의심 값을 설정하며, 실시간으로 수집되는 기기의 작동정보에 따른 수집 값을 의심 값과 대비하여 기기의 이상징후가 의심되는 조건이 만족되면 경보하여 적합한 시기에 기기의 정비 및 교체를 수행할 수 있도록 유도하여 기기의 고장으로 인한 막대한 금전적인 손실을 미연에 예방할 수 있는 효과가 있다.
PCT/KR2020/007281 2019-06-25 2020-06-04 다중 제어 출력신호를 통한 기기의 예지 보전방법 WO2020262844A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US17/611,467 US20220214674A1 (en) 2019-06-25 2020-06-04 Method for maintaining predictive value of device through multiple control output signals

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2019-0075820 2019-06-25
KR1020190075820A KR102316483B1 (ko) 2019-06-25 2019-06-25 다중 제어 출력신호를 통한 기기의 예지 보전방법

Publications (2)

Publication Number Publication Date
WO2020262844A2 WO2020262844A2 (ko) 2020-12-30
WO2020262844A3 true WO2020262844A3 (ko) 2021-02-18

Family

ID=74059833

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2020/007281 WO2020262844A2 (ko) 2019-06-25 2020-06-04 다중 제어 출력신호를 통한 기기의 예지 보전방법

Country Status (3)

Country Link
US (1) US20220214674A1 (ko)
KR (1) KR102316483B1 (ko)
WO (1) WO2020262844A2 (ko)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1128642A (ja) * 1997-07-07 1999-02-02 Toyota Motor Corp 設備異常検出装置
KR20150074258A (ko) * 2013-12-23 2015-07-02 두산인프라코어 주식회사 공작기계의 절삭 부하 모니터링 방법 및 장치
KR101643599B1 (ko) * 2015-07-15 2016-07-28 (주)아이티공간 차체 조립 라인의 구동부 모니터링 방법 및 그 장치
KR101894697B1 (ko) * 2018-02-27 2018-09-04 안재봉 고장 예지 장치 및 방법
KR20190030763A (ko) * 2017-08-11 2019-03-22 (주)아이티공간 구동부의 정밀 예지 보전방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4615179A (en) * 1985-01-17 1986-10-07 General Electric Company Defrost diagnostic arrangement for self-defrosting refrigerator appliance
JP2004173167A (ja) * 2002-11-22 2004-06-17 Canon Inc 画像読取装置
JP4152351B2 (ja) * 2004-06-17 2008-09-17 シスメックス株式会社 臨床検体処理装置および臨床検体処理システム
KR101178186B1 (ko) * 2011-04-28 2012-08-29 주식회사 유디엠텍 Ｐｃ 기반 시스템에서 피엘씨 신호 패턴을 이용하여 다수의 설비로 구성된 자동화 라인의 비정상 상태 알람 방법.
CA3017644A1 (en) * 2016-03-24 2017-09-28 Spectrum Brands, Inc. Wireless lockset with anti-hacking feature
US11700270B2 (en) * 2019-02-19 2023-07-11 The Aerospace Corporation Systems and methods for detecting a communication anomaly

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1128642A (ja) * 1997-07-07 1999-02-02 Toyota Motor Corp 設備異常検出装置
KR20150074258A (ko) * 2013-12-23 2015-07-02 두산인프라코어 주식회사 공작기계의 절삭 부하 모니터링 방법 및 장치
KR101643599B1 (ko) * 2015-07-15 2016-07-28 (주)아이티공간 차체 조립 라인의 구동부 모니터링 방법 및 그 장치
KR20190030763A (ko) * 2017-08-11 2019-03-22 (주)아이티공간 구동부의 정밀 예지 보전방법
KR101894697B1 (ko) * 2018-02-27 2018-09-04 안재봉 고장 예지 장치 및 방법

Also Published As

Publication number Publication date
KR102316483B1 (ko) 2021-10-22
WO2020262844A2 (ko) 2020-12-30
US20220214674A1 (en) 2022-07-07
KR20210000545A (ko) 2021-01-05

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