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도시철도 LED형 신호기 특허 시제품 제작ㆍ설치ㆍ시험에 관한 보고
석태우(Seok Tae-Woo),박종선(Park Jong-Seon),고양옥(Ko Yang-ok) 한국철도학회 2006 한국철도학회 학술발표대회논문집 Vol.- No.-
Metro Subway System is widely known as the leader of public transportation in a metropolitan area. The signal interlocking is one of the most important organs that plays a major role in the system. By improving the quality of signal lights on the traffic system and keeping its maintenance on a high level will not only repair the current state, but it will also let the LED type signal semi-permanent. The device, which underwent a process of fine manufacture ? establishment and a close examination, obtained a patented article (2004, as a new device). Utilizing the equipment with cautious preservation on the system will enhance the current state of the signal device. Especially, the test for improvement and development based upon the technique that decreases the frequency of defect produced will further precipitate its efficiency. With authorization of imposing the LED lights on production, installment, and investigation of the system, the newly made equipment will bring improvement to the signal technology and to the industry at largest extent.
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석태우(Seok Tae-Woo),고양옥(Ko Yang-Og),유도균(Yoo Do-Gyun) 한국철도학회 2007 한국철도학회 학술발표대회논문집 Vol.- No.-
Metro Subway System is widely known as the leader of public transportation in a metropolitan area. The signal interlocking is one of the most important organs that plays a major role in the system. By improving the quality of signal interlocking on of the traffic system and keeping its maintenance on a high level will not only repair the current state, but it will also let the PLC(Programmable Logic Controller). The Non-Vital relay of No. 3, 4 Line are the most one of the unstable system, device, which underwent a process of fine manufacture ? establishment and a close examination, obtained as a new device. Utilizing the equipment with cautious preservation on the system will enhance the current state of the signal device. Especially, the test for improvement and development based upon the technique that decreases the frequency of defect produced will further precipitate its efficiency. With authorization of imposing the newly made equipment will bring improvement to the signal technology and to the industry at largest extent.
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단심검지기(LED형 신호등용) 시제품 제작ㆍ설치ㆍ시험에 관한 보고
고영환(Kho Yeong-whan),석태우(Seok Tae-Woo),고양옥(Ko Yang-ok) 한국철도학회 2007 한국철도학회 학술발표대회논문집 Vol.- No.-
A lights-out detector, which helps the person in charge of maintenance make a quick judgment in the event of a failure of LED-type traffic lights, was explored/developed and installed/ tested, at Seoul Metro, after they developed a patented pilot product in 2005; and, a product improvement test was conducted to ensure reasonable maintenance of signaling facilities. Having better compatibility with existing circuit in use and displaying stable load current, the device makes the maintenance of lights-out detection and alert easier.
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국내 도시철도운영기관의 해외철도사업 진출 시 문제점 고찰
오성효(Sung-Hyo Oh),석태우(Tae-Woo Seok),허승일(Seung-Il Hur) 한국철도학회 2013 한국철도학회 학술발표대회논문집 Vol.2013 No.5
국내 도시철도 운영기관의 설립목적은 기본적으로 “안전 신속한 대중교통수단을 제공 함으로써 시민의 복리증진에 기여하기 위하여 지방공기업 법에 따라 설립”한다는 목적을 가지고 있다. 그 동안 도시철도운영기관은 운수수입 및 기타 수익에만 의존하면서 그 적자폭이 해 마다 증가됨에 따라 이를 벗어나고자 운영 및 유지보수 노하우 등을 바탕으로 해외 철도 사업 진출에 도전을 하고 있으나 그 성과는 미미하다. 도시철도 운영기관 설립목적에서 요구되는 현실적 여건, 참여분야의 한계성, 해외환경조건, 사업수생 시 요구되는 많은 문제점에 대한 해결능력 등이 경험 및 정보부족과 맞물려 어려움을 가중시키고 있다. 본 연구에서는 국내 도시철도 운영기관이 해외철도사업 진출을 위해 요구되는 기본적인 사항, 문제점 등을 사례를 통해 알아보고자 한다. Domestic railway operator is basically created for the purpose of providing a safe and rapid means of transportation through state-owned enterprise act and improving public welfare. Railway operator has been difficult to get the result despite moving away from fare revenue and other non-fare revenue structure on account of practical condition, nature of limitedness, foreign investment environment. This stud aims to analyze basic measures, problems of entering overseas market for domestic railway operator taking into consideration case study.
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