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정락교(Jeong Rak-Gyo),신기동(Shin Ki-Dong),정상기(Chung Sang-Gi),조홍식(Cho Hong-Shik) 한국철도학회 2004 한국철도학회 학술발표대회논문집 Vol.- No.-
Accurate and reliable tracking system is essential for the central train control system. There are two systems widely being used. one is the fixed block system which utilizes the track circuit for the detection of train position. the other is the moving block system which has the advantage over the former since it enables shorter radio signal for the train position detection. In this paper a new algorithm is proposed which uses signal’s phase difference of arrival to detect the train position Experimental verification of the algorithm is presented in the paper.
정락교(Jeong Rak-Gyo),정상기(Chung Sang-Gi),윤용기(Yoon Yong-Ki) 한국철도학회 2006 한국철도학회 학술발표대회논문집 Vol.- No.-
Light Rail Transit(LRT) Systems with transport capacity between subway and bus(5,000-25,000 persons per hour) are being carried on over 100 lines around the world. In Korea, to solve the urban transportation problem, the introduction of LRT system has been proceeded positively. It is planned to develop the Korean standard LRT system in which safety, efficiency and cost effectiveness are emphasized. So we were able to make proto type of Rubber tired AGT system for LRT. This study is focused on verifving the train tracking with CBTC System the measurement of transmitter signal level through the examination.
정락교(Jeong Rak-Gyo),정상기(Chung Sang-Gi),조홍식(Cho Hong-Shik) 한국철도학회 2005 한국철도학회 학술발표대회논문집 Vol.- No.-
Accurate and reliable tracking system is essential for the central train control system. There are two systems widely being used. one is the fixed block system which utilizes the track circuit for the detection of train position. the other is the moving block system which has the advantage over the former since it enables shorter radio signal for the train position detection. In this paper a new algorithm is proposed which uses signal"s phase difference of arrival to detect the train position. Experimental verification of the algorithm is presented in the paper.
정락교(Jeong Rak-Gyo),정상기(Jeong Sang-Gi),김연수(Kim Yeon-Soo),이정선(Lee Jeong-Sun) 한국철도학회 2005 한국철도학회 학술발표대회논문집 Vol.- No.-
Light Rail Transit(LRT) Systems with transport capacity between subway and bus(5,000-25,000 persons per hour) are being carried on over 100 lines around the world. In Korea, to solve the urban transportation problem, the introduction of LRT system has been proceeded positively. It is planned to develop the Korean standard LRT system in which safety, efficiency and cost effectiveness are emphasized. So we were able to make proto type of Rubber tired AGT system for LRT. This is capable of driverless operation using CBTC(Communication Based Train Control) of Moving Block System and is currently making an experiment for reliability in test-line. This study is focused on verifving the train tracking with CBTC in driverless and ATO mode through implementing the examination.
객체지향모델를 이용한 경량전철 시스템의 성능 시뮬레이션
정상기,정락교,한석윤,Jeong, Sang-Gi,Jeong, Rak-Gyo,Han, Seok-Yun 한국시스템엔지니어링협회 2004 시스템엔지니어링워크숍 Vol.4 No.-
Most rail system related simulations currently used are designed to simulate only one discipline system. This obviously assunes the other discipline system are running regularly not being affected by the system being simulated. In this paper a multi discipline simulator is proposed and its design concept is presented.A multi discipline simulator is the simultor in which major subsystems with different technical discipline are simulated simultaneously. The advantage of the simulator is in that it makes it possible to analyze the systems behavior while other discipline system vary. With this we can identify the possible to analyze the systems ehavior find their solutions. A proto type simulator has bee developed using object oriented programming. Object concept was judged best suitable to model the various multi-discipline self-controlling railway subsystems. It was applied to the target system, which is under development by the Korea Railroad Research institute. The test results show it is very useful in design verification. It could also be a good tool in research and development work to make to improe the system.
프로야구 구단의 SNS특성, 구단태도, 구단이미지와 구단충성도의 구조적관계
신명수(Shin, Myungl-Soo),김교진(Kim, Gyo-Jin),최청락(Choi, Chung-Rak) 한국웰니스학회 2015 한국웰니스학회지 Vol.10 No.4
이 연구의 목적은 프로야구 구단의 SNS특성, 구단태도, 구단이미지 구단충성도의 관계를 구조방정식모형분석을 통해 규명하는것이다. 프로야구 구단의 SNS 이용자 300명을 대상으로 설문조사를 실시하였다. 회수한 설문지 300부 중 전반적으로 신뢰도가 없다고 판단되는 13부를 제외시킨 후 287부를 최종 유효표본으로 선정하였다. 자료처리는 PASW Ver 18.0과 AMOS 18.0을 이용하여신뢰도분석, 확인적요인분석, 상관관계분석과 구조방정식모형분석을 실시하였다. 그 결과는 다음과 같다. 첫째, SNS특성의 하위개념 중 정보제공성과 유희성은 구단태도에 유의한 영향을 미치는 것으로 나타났으나, 상호작용성는 구단태도에 통계적으로 유의한영향을 미치지 않는 것으로 나타났다. 둘째, 구단태도는 구단이미지에 통계적으로 유의한 영향을 미치는 것으로 나타났다. 셋째, 구단태도는 구단충성도에 통계적으로 유의한 영향을 미치는 것으로 나타났다. 넷째, 구단이미지는 구단충성도에 통계적으로 유의한 영향을 미치는 것으로 나타났다. The purpose of this study was to examine the relationship among Characteristics of professional Baseball Club SNS, Club Attitude, Club Image and Club Loyalty. The survey was conducted through the professional baseball club's SNS users. 300 spectators were selected for this survey. Excluded 13 inappropriate data a total of 287 questionnaires out of 300 were adapted as a final data. The statistical methods applied for this study were PASW 18.0 and Amos 18.0 for confirmatory factor analysis and structural equation modeling. The results of the study were as follows. First, in subordinate factors of characteristics of SNS, the Interactivity and entertainment had a significant effect on club attitude. Second, the club attitude had a significant effect on club image. Third, the club attitude had a significant effect on club loyalty. Fourth, the club image had significant effects on club loyalty.