• 제목/요약/키워드: Urban Transit System

검색결과 403건 처리시간 0.022초

표준전동차용 열차자동운전장치 (ATO) H/W 개발 (Development of Automatic Train Operation System H/W for KOREA Standard EMU)

  • 이수길;한성호;안태기
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2000년도 하계학술대회 논문집 B
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    • pp.1457-1459
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    • 2000
  • The ATO(Automatic Train Operation System) system is equipment for automatic and driverless operation of electric train with minimum control of operator. In this paper, we made ATO system with national technic and passed type test. We are convinced of reliability and safety of the ATO system on the seoul metro 7 line.

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도시철도 토목$\cdot$보선시설물 유지보수 정보화시스템에 대한 연구 (A Study on the Computerized System for Maintenance of Urban Rail Transit Infrastructure)

  • 신정렬;박기준;안태기;이호용;김길동
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2003년도 추계학술대회 논문집(II)
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    • pp.391-396
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    • 2003
  • For efficient maintenance on urban transit infrastructure, computerized system using wireless communication system which allows to inquire necessary data and to record maintenance work on the spot in realtime is required. Also, for efficient maintenance progress on urban transit infrastructure which have geographic data, computerized system united with geographic information system that offers visual information is required. In this paper, investigations on new IT technology and on computerized system of foreign country are conducted. And development direction and model of computerized system for maintenance on urban transit infrastructure are proposed.

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전동차 소음저감을 위한 슬라이딩플러그 출입문 개발 (Development of a Sliding-Plug Entrance Door System for Urban Electric Transit Unit to Reduce Inside Noise Level)

  • 서승일;임영호;신동국
    • 한국철도학회논문집
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    • 제5권2호
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    • pp.112-117
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    • 2002
  • Reduction of noise level in the cabin of urban transit unit is an important issue to enhance the comfortability of passengers. It is made clear that a cause of increased noise level in cabin is the imperfect airtightness of entrance doors. In this study, the sliding-plug door system is developed to reduce the noise level of cabins by securing the airtightness of entrance door. The sliding-plug door system is composed of air-driven engine, swing arms, guide rails, guide rollers and locking devices. It is economical owing to using the previous door engine system. It is also adequate for the platform system of our subway station. It was tested to prove the reliability of system and was applied to standard urban transit unit. The effectiveness of noise reduction in cabin resulting form the sliding-plug door system was confirmed by test results.

도시철도 무인운전에 대한 사례분석 연구 (Case Study of the Manless Operation of Urban Transit)

  • 이영훈;조봉관
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2011년도 춘계학술대회 논문집
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    • pp.1014-1022
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    • 2011
  • Urban transit operation is to manipulate the vehicle or train of urban transit to be operated on the basis of the installations such as track, power, communication, signaling and so on. It can be performed by manual or automated, or manned or manless operation considering its system built, operation efficiency, safety, etc. Because of the heavy impact directly to the safety of passenger transport, it has been managed strictly by the Regulation for Train Operation of Urban Transit according to Urban Transit Act. However, the present regulation has been basis of the manual operation mainly, it is crossing beyond the limitation of application to the manless operation which is being introduced moment to moment. It is needed increasingly to revise the regulation for the manless operation which is close at hand now. In this paper, we examined and analysed the cases of manless operation of urban transit planed within the country such as Busan 4th Line, Shinbundang Line, Busan-Kimhae Line, etc. based on the present regulation, and proposed the review of considerations to reflec the manless operation to the regulation to be revised.

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도시철도 신호시스템의 표준사양 체계에 대한 연구 (The Study of Standard Specification for Urban Transit's Signaling System)

  • 백종현;김용규;김종기
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2004년도 하계학술대회 논문집 B
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    • pp.1432-1434
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    • 2004
  • Propelled urban rail transit EMU's standardization/localization business receiving MOCT's assistance for 2001 years since 1995 in KRRI. But. urban rail transit is operated because signaling. electrical power. rail etc. as well as EMU connects each other. Therefore, receive MOCT's assistance since 2001 and is achieving standardization research about urban rail transit's infrastructure including signaling. Specially, is propelling standardization about CBTC way for expansive standardization hereafter in signaling part. Main contents of this urban rail transit's signaling standardization research are as following. - standard specification creation - development of core equipment for standardization specification verification - standard specification completion by core equipment testing & evaluation Is explaining about establishment of scheme and these contents for this urban rail transit's signaling's standard specification creation in this paper.

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도시철도 환경에서 지능형 감시 시스템 구축 사례 (A Case Study on Intelligent Surveillance System for Urban Transit Environment)

  • 장일식;안태기;조병목;박구만
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2011년도 춘계학술대회 논문집
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    • pp.1722-1728
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    • 2011
  • The security issue in urban transit system has been widely considered as the common matters after the fire accident at Daegu subway station. The safe urban transit system is highly demanded because of the vast number of daily passengers, and it is one of the most challenging projects. We introduced a test model for integrated security system for urban transit system and built it at a subway station to demonstrate its performance. This system consists of cameras, sensor network and central monitoring software. We described the smart camera functionality in more detail. The proposed smart camera includes the moving objects recognition module, video analytics, video encoder and server module that transmits video and audio information.

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도시철도 변전소의 네트워크 기반 실시간 데이터 취득 시스템 구현 (Implementation of a Real-Time Data Acquisition System Based on Wireless Communication for Urban Rail Transit Substation)

  • 정호성;박영;김형철
    • 전기학회논문지P
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    • 제59권1호
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    • pp.71-76
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    • 2010
  • This paper is focused on implementing a real-time data acquisition system that checks power facility status by applying network based technology to Urban Transit substation power facilities and the results of its on-field tests. This system is composed of a sensor part, a measurement part, a transceiver part, a host computer, and a power source part. The system is designed to collect, save, analyze, and display the online state power facility AI (Analog Input). This system measures voltage and current from positive feeders and negative feeders where it is possible to check abnormalities of the substation‘s main power facilities. By monitoring abnormal data of the Urban Transit power facilities real-time and analyzing stored data, establishing procedures of optimized maintenance is possible.

영상기반 도시철도 모니터링 시스템 구축방안 연구 (The Architecture of the Vision-based Monitoring system for Urban Transit Visual)

  • 안태기
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2007년도 추계학술대회 논문집 전기기기 및 에너지변환시스템부문
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    • pp.229-231
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    • 2007
  • The CCTV, closed circuit television, system is the most popular method to monitor some specific area. The CCTV-based monitoring system is composed of a lot of cameras installed the areas, and monitors to display the vision through the cameras. However, these systems have limitations to prevent some problems or to cope with the problems promptly, because they can carry out only the function that shows us the analogue images of the cameras. Especially, urban transit service area is the space where many people crowd in all at the same time and the space is not only wide but also distributed sporadically. This paper presents the efficient plan for video-based monitoring system to monitor urban transit service area. To build the efficient monitoring system, it is necessary to devide the monitoring area to appropriate sectors that should be composed to be displayed at a time. If the proposed method is used to construct the video-based monitoring system, the operating officers in the urban transit have the more direct and real images.

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도시철도 전동차 유지보수체계의 개선에 관한 연구 (A Study on the Improvement for EMU Maintenance System of Urban Transit)

  • 김규중;이근오
    • 한국안전학회지
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    • 제25권1호
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    • pp.87-92
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    • 2010
  • Urban transit system must secure fast, safe and reliable transportation capacity as a metropolitan mass transit. For this purpose, it is important to make all the sub-systems (which consist of EMU, power feeding, signaling & telecommunication, railway, platform facility, and control system and so on) work well. To operate all the systems effectively and reliably, a maintenance measure optimal to each system's characteristics is needed to be established and executed. So, highly reliable maintenance should be performed. But, EMU maintenance methods suitable to its own model and EMU lines are not yet introduced. This study examined few examples mainly to secure reliability on a maintenance quality in operating method and the features of train maintenance system based on travel distance.

도시철도시스템기술의 주요 현안과 개선 방향 (Technical Issues of Urban Transit System)

  • 한석윤;이호용;홍재성;정종덕
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2007년도 춘계학술대회 논문집
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    • pp.31-39
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    • 2007
  • Urban transit is defined as "Transportation facilities and carriage by track like railway where is constructed and operated in urban area" in Korean urban railway law. Several hundreds of urban transits are operated in the world, and Korea also has 19 lines 590km in several cities like Seoul, Busan etc. In this paper, we classify urban transits and describe the general characteristics of urban transit. And then review major technical issues and present the direction to technical progress.

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