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신호분야 6 호선 통합형 SCU(Switching Control Unit)장치 개발에 관한 연구
박상천(Sang-Cheon Park),김성필(Sung-Pil Kim),강봉완(Bong-Wan Kang),박승희(Seung-Hee Park),조봉관(Bong-Kwan Cho) 한국철도학회 2017 한국철도학회 학술발표대회논문집 Vol.2017 No.05
현재 서울도시철도공사 6호선 신호시스템에 운용중인 SCU장치는 열차제어컴퓨터와 주변장치간 열차운행정보를 전송하고 관제센터의 제어명령을 처리하는 통신장치 역할을 수행한다. SCU장치의 24시간 연속사용에 따른 장비노후화 및 주변장치와의 호환성을 유지하기 위한 업그레이드 연구개발하고, 관제 송수신 정보전송장치(LDTS)의 기능을 포함한 통합 SCU장치 연구로 열차운행시스템의 안전성을 확보하고 유지보수자 관점의 향상된 장치를 개발하고자 한다. The SCU device currently operating in the signal system of the Seoul Metropolitan Rapid Transit Corporation Line 6 serves as a communication device that transmits train operation information between the train control computer and peripheral devices and processes control commands from the control. The development of upgrades to maintain stable functions by aging of parts due to the continuous use of SCU devices for 24 hours will be the first study of the functions as communication equipment. However, by ensuring the safety of the train operation system by maintaining compatibility with existing devices, We will study the advanced signaling device of the viewpoint.
Shell vial culture로 진단한 선천성 거대 세포 바이러스 감염증 1례
김태호(Tae Ho Kim),박상천(Sang Cheon Park),서은숙(Eun Sook Suh),신상만(Sang Mann Shin) 대한소아신경학회 1995 대한소아신경학회지 Vol.2 No.2
Cytomegalovirus is the leading cause of congenital viral infection. The prevalence rate of congenital infection is 0.2-2.5% of all live births. The infection may be congenital, but it is most often aquired during birth, breast milk, blood transfusions, organ transplantations, perinatal infections. The vast majority of these infections are chronic, subclinical forms, but symptomatic infections are sufficiently prevalent and dangerous to present a major unresolved health problem throughout the world. We experienced one case of congenital cytomegalovirus infection. The case was hospitalized in our hospital because of convulsion. She was characterized by microcephaly, hepatomegaly, convulsion, periventricular calcifications on brain CT. We could confirmed the congenital cytomegalovirus infection by shell vial culture. We report this case with brief rewiew fo literature.
미세 프리즘 패턴 롤 금형 가공시스템 구축 및 기초가공실험
제태진(Tae-Jin Je),박상천(Sang-Cheon Park),노진석(Jin-Seok Noh),최두선(Doo-sun Choi),이응숙(Eung-Sug Lee),황경현(Kyung-Hyun Whang) 한국기계가공학회 2008 한국기계가공학회 춘추계학술대회 논문집 Vol.2008 No.-
Recently, Liquid Crystal Display (LCD) is widely used at the mobile phone, notebook and TV, etc. Back Light Units (BLU) which is main optical parts of LCD has adopted the optical film with micro-prism pattern to advance in the brightness. In order to fabricate mold of Brightness Enhancement Film (BEF), shaping and planning processing have usually used. And developing prism pattern roll processing technology is urgent. Roll processing technology is continuously molding large-size film which is used at the large-size TV, outdoor-billboard, etc. This study introduces setting of roll mold processing system for the micro-prism pattern and outcomes of basic cutting experiment. Basic cutting experiment was carried out on the copper coating roll of 1600㎜ in length and 320㎜ in diameter and prism pattern size is 50㎛ in pitch. Problems such as Burr and diamond tool conditions appeared through the basic cutting experiment. This paper presents solution method of the problems.
제태진(Tae-Jin Je),이강원(Kang-Won Lee),박상천(Sang-Cheon Park),최두선(Doo-Sun Choi),황경현(Kyung-Hyun Whang) 한국기계가공학회 2007 한국기계가공학회 춘추계학술대회 논문집 Vol.2007 No.-
Demands for high-performance, high-efficiency and compaction in display industry are satisfied with improvement of optical properties through complex structured pattern. In this paper, two methods for machining double angled micro pattern were proposed using shaping method and SCD diamond and was analysed through machined surface problem alike double machined valley lines, under depth machined, asymmetry pattern. It presents improvement of machining process and quality of machined surface on making micro complex pattern.