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수명예측 방법에 따른 마이크로스위치의 수명분석 및 신뢰도 예측
지정건,신건영,이덕규,이희성,Ji, Jung-Geon,Shin, Kun-Young,Lee, Duk-Gyu,Lee, Hi Sung 한국시스템엔지니어링학회 2011 시스템엔지니어링학술지 Vol.7 No.1
Reliability means that a product maintains its initial quality and performance at certain period of time(time, distance, cycle etc) under given condition without failure. Given conditions include both environmental condition and operating condition. Environmental condition means common natural environment such as temperature, humidity, vibration, and working condition means artificial environment such as voltage, current load, install place, hours of use, which occurs during using the product. In the field of railway vehicles, although components of railway vehicles with reliability are the trend of mandatory as persisting period of railway vehicles is extended, using components of railway vehicles is insufficient for the practical reliability assessment. but the meaning of the first railway operating agency to acquire the parts in the field, the data suggest the reliability of products if you can and can show the reliability of modular units and modular units can provide the reliability of if you can present reliability of the entire system is thought to be here In this study, lifespan of micro-switch for master controller is analyzed and prediction is performed based on its field data considering the special circumstances of railway vehicles operating agency, such as a large number of trains operates on the same line.
철도차량 이력정보 표준화를 통한 국가 철도차량 이력관리 시스템 구축에 관한 연구
지정건,강부병,정찬묵 한국도시철도학회 2022 한국도시철도학회논문집 Vol.10 No.3
According to the statistics on railway operation disorders in Korea for the past five years, the number of railway operation disorders caused by railway vehicles is continuously increasing. In addition, according to the 4th railway network construction plan, which was recently discussed, the total number of domestic railway \vehicles is expected to increase as the number of railway lines increases. A comprehensive history management system for railway vehicles is required to ensure the safety of railway vehicles and to systematically maintain them. In order to establish such a comprehensive history management system, it is necessary to consider item setting and standardization for input information. In this study, the standardization method for the basic input information required for the railway vehicle history management system is introduced and an example of analyzing the railway vehicle history information collected using the established railway vehicle history management system is presented.
수명예측 방법에 따른 마이크로스위치의 수명분석 및 신뢰도 예측
지정건(Jeoung-Geon Ji),신건영(Kun-Young Shin),이덕규 (Duk-Gyu Lee ),손영진(Young-Jin Son ),이희성 (Hi Sung Lee ) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.10
Reliability means that a product maintains its initial quality and performance at certain period of time(time distance cycle etc) under given condition without failure. Given conditions include both environmental condition and operating condition. Environmental condition means common natural environment such as temperature humidity vibration and working condition means artificial environment such as voltage current load install place hours of use which occurs during using the product. In the field of railway vehicles although components of railway vehicles with reliability are the trend of mandatory as persisting period of railway vehicles is extended using components of railway vehicles is insufficient for the practical reliability assessment. but the meaning of the first railway operating agnecy to acquire the parts in the field the data suggest the reliability of products if you can and can show the reliability of modular units and modular units can provide the reliability of if you can present reliability of the entire system is thought to be here In this study lifespan of micro-switch for master controller is analyzed and prediction is performed based on its field data considering the special circumstances of railway vehicles operating agency such as a large number of trains operates on the same line.
신건영(Kun-Young Shin),지정건(Jung-Geon Ji),한재현(Jae-Hyun Han),이덕규(Duk-Gyu Lee),손영진(Young-Jin Son),이희성(Hi Sung Lee) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.5
Recently, also in railway vehicles, related products are being designed and manufactured through RAMS activities in order to secure their reliability, availability, maintainability & safety. Subway operators are conducting R&D on various preventive maintenance methods and applying them to the field so as to establish a reliability centered maintenance(RCM) system. In this connection, manufacturers shall carry out R&D based on reliability from the first design stage of development to provide high quality products to subway operators. And operators shall have the products operated properly to their particular operating environment and managed based on the standard maintenance manual. Not only that, but the related field data shall be fed back into the manufacturers to upgrade upcoming products by organic cooperation between manufacturer and operators. However, the mutually beneficial cooperative relationship is not still developed in the domestic railway industry. In terms of methodology for life prediction, this study was intended to analyze field data on relays used for rolling stocks considering operational characteristics in the position of subway operators and predict parts reliability using reliability prediction program from the standpoint of manufacturers as well.
조한신(Han Shin Cho),지정건(Jeong Geon Ji),나종문(Jong Moon Na),박홍규(Hong Kyu Park) 한국철도학회 2021 한국철도학회 학술발표대회논문집 Vol.2021 No.6
최근 5년간 국내 철도운행장애 통계를 살펴보면 철도차량으로 인한 철도운행장애는 지속 증가추세인 것으로 나타났다. 또한 최근 논의가 있었던 제4차 철도망구축계획 등에 따르면 철도노선의 증가에 따라 국내 철도차량의 전체 보유 현황도 늘어날 것으로 예상된다. 철도차량의 안전성을 확보하는 동시에 체계적인 유지관리를 시행하기 위해서는 철도차량에 대한 종합적인 이력관리 시스템이 요구된다. 이러한 종합적 이력관리시스템의 구축을 위해서는 입력정보에 대한 항목설정과 표준화를 고려하여야 한다. 본 연구에서는 철도차량이력관리시스템 데이터 관리에 필요한 기본 입력정보에 대한 일부 표준화 사례를 도출하였다.