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RISS 인기검색어
- 검색키워드
- 저자 : 이종계(Jong-Kye Lee) (검색결과 2 건)
- 무료
- 기관 내 무료
- 유료
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이종계(Jong-Kye Lee),박종헌(Jong-Hun Park),김기춘(Ki-Chun Kim) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.10
SMRT(Seoul Metropolitan Rapid Transit Corporation) changed PC-oriented office system to Smart-Phone oriented mobile office system(STnF: SMRT Talk & Flash) and provided smart phone to all staffs. STnF make it possible not only voice communication between staff but also to input and inquiry all kind of information related to work(ex: Facility maintenance Rolling Stock management office management Finance human resource etc.) based on smart phone. STnF conquers the limitation of time and space. All staffs can commute to the site directly to reduce moving time and to share information between staffs so SMRT improve speed and reliability of work by making a quick decision and action on the spot. After introduction of STnF within 1 year the equipment failure ratio fell to 47%. Mobile office system reduced and level-off the step of approval. so enhanced civil customer service. Quantification and scientific movement of work make it fast evolution and development. These business improvement make it possible to put more outstanding manpower on new business and R&D project and this contributes to company's management effectiveness.
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하관용(Kwan-Yong Ha),박종헌(Jong-Hun Park),이종계(Jong-Kye Lee),성창기(Ki-Chang Sung),김기춘(Gi-Chun Kim) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.5
Usually urban railways are built under ground thus the necessary condition of urban railroad, a linear-shaped track, causes a difficulty in enhancement of speed limits of urban rail. Also the underground construction of city railroad produces speed limit values reduced according to a speed code array, in case of speed decision according to the conventional block section division, thus onventionally it could not but apply speed limit values lower than actual safety speeds. In this study, The above two facts induced the author to study on a method to enhance speed limit values for CBTC within existing urban railroad sectors. Since it is possible to exchange data continuously and to control speeds in case of railroads based on CBTC, the author applied result values of speed limits, which were gained based on a railroad condition, a linear track, to the CBTC system without correction of the result values and then the author compared and analyzed, through simulation, the running times and the efficiencies of running energies between railway stations, between the existing fixed-block system and the CBTC system. As a result simulation, the improvement of speed and the deceleration distance of reduction confirmed that it was effective to reduce the time to travel between stations. A fixed block the set of constraints on the speed limit, he way the operation is optimized based CBTC speed limit by suggesting ways to reset the scheduled speed measures to improve were extracted.
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