• Title/Summary/Keyword: 전자연동장치

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Present Condition and View of Electronic Interlocking System for Signaling System Implementation on Train (신호설비구현을 위한 전자연동장치의 현황과 전망)

  • Lee, Jung-Geun;Lee, Hyang-Beom
    • 한국정보통신설비학회:학술대회논문집
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    • pp.361-365
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    • 2007
  • 전자연동장치(Interlocking System)는 열차의 안전운행 확보와 함께 수송능력과 보호향상, 정확하고 신속한 운송과 더불어 이용률을 증대하는데 중요한 역할을 한다. 철도 신호보안 설비 중에서 그 핵심을 이루는 연동장치 설비에 첨단기술인 전자, 정보처리 및 정보전송기술을 철도 신호 시스템에 도입하여 신뢰성과 안정성이 확보된 신호설비를 구현하기 위해 최근에는 마이크로프로세서를 이용한 전자연동장치 기술이 개발되었다. 본 논문에서는 전자연동장치의 필요성 및 기존설비(기계 및 계전 연동장치)의 노후화에 따른 장애 및 호환성 결여 등의 문제점들을 해결하기 위하여 전자 연동장치와 기존 계전 연동장치의 차이점을 제시 및 문제 해결방안을 고찰하고, 전자연동장치 동향을 살펴보았다.

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A Study on Electronic Interlocking System Switching (전자연동장치 시스템 절체에 대한 연구)

  • Lee, Hak-Sun;Choi, Seung-Ho
    • Proceedings of the KSR Conference
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    • pp.1366-1369
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    • 2008
  • 현재 운영 중인 대부분의 전자연동장치에서는 시스템을 이중계로 구성하고 있다. 전자연동장치 이중계 시스템은 동작계와 대기계등으로 이중으로 구성하여 시스템의 안전성을 확보하고 있다. 이중계시스템에서는 동작계 모듈의 고장 시 고장을 검지하여 대기계로 절체 하여 계속적인 연동장치의 업무를 수행할 수 있도록 하고 있다. 본 논문에서는 이러한 대기계로 절체 시 발생 할 수 있는 문제점들을 도출하고 그 문제점에 대하여 보안한 모델을 제시하고 문제점에 대한 실험을 통하여 문제점 해결에 대한 확인을 하고자 한다.

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Software Development for Auto-Generation of Interlocking Knowledgebase Using Artificial Intelligence Approach (인공지능기법에 근거한 철도 전자연동장치의 연동 지식베이스 자동구축 S/W 개발)

  • Ko, Yun-Seok;Kim, Jong-Sun
    • Proceedings of the KIEE Conference
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    • pp.440-442
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    • 1999
  • 본 연구에서는 전자연동장치의 확장성과 신뢰성 제고를 위해 전자연동장치의 실시간 연동전략으로 활용될 수 있는 연동 지식베이스를 자동 생성, 구축할 수 있는 지능형 연동지식베이스 자동 구축 소프트웨어(IIKBAGS)를 개발한다. IIKBAGS의 추론부는 주어진 역 모델의 동적탐색하에서 휴리스틱 규칙들의 우선순위에 따라 모든 진로를 탐색함은 물론 각 진로들에 대해 진로상 신호설비들간의 연쇄관계를 확인하여 연동패턴들을 자동생성하는 연동지식 자동생성기능을 가진다. 지식베이스는 전자연동장치상의 실시간 전문가 시스템이 직접적으로 활용할 수 있는 구조로 설계됨으로써 연동도표 입력과정에서 발생할 수 있는 오류를 배제, 연동장치의 정확성과 신뢰성을 높인다.

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A Study on Development of Interlocking Inspection System for Electronic Interlocking System (전자연동장치의 연동검사시스템 개발)

  • 박영수;이기서
    • Journal of the Korean Society for Railway
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    • v.5 no.2
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    • pp.104-111
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    • 2002
  • The purpose of interlocking system was to prevent the route for a train being set up and its protecting signal cleared if there was already another, conflicting route set up and the protecting signal for that route cleared. This paper proposed Interlocking Inspection System(IIS) consisting of interlocking simulator and field simulator to operate interlocking test of computer based Electronic Interlocking System(EIS) in this paper. Interlocking simulator consists of Design Edit System(DES), Logical Database Management Tool(LDMT) and real-time confirming system, field simulator is a equipment to simulate a control object of EIS and constitutes configuration operated in 19 inch standard rack. As a result of test to prove capacity of this IIS, the efficiency was shown as excellent. Therefore by using inspection system, we obtain every advantages. It has the functions for test data generation and automatic test execution based on personal computer. Time and cost for test work can be reduced more efficiently by using this developed inspection system

Performance Analysis of Data Link Protocol for Interface between EIS and LDTS (전자연동장치와 역정보전송장치간 인터페이스를 위한 데이터링크 프로토콜 성능해석)

  • Hwang, Jong-Gyu;Lee, Jae-Ho
    • Journal of the Korean Society for Railway
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    • v.6 no.2
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    • pp.135-141
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    • 2003
  • According to the computerization of railway signaling systems, the interface link between these signaling equipment is also replaced by digital communication channel, expecially communication link for interface between EIS and LDTS, but there are some problems in the present state of railway signaling. First of all, different communication protocol is applied to interface between above two signaling equipment although they have same functions. The other is that the communication protocol currently used in railway field has some unreasonable points such as structure, formation of byte, error correction scheme and etc. To solve these problems, the standard communication protocol for railway signaling is designed. The structure of designed communication protocol and the results of performance analyses are represented in this paper. It will be expected the increase of safety, reliability and efficiency of maintenance of signaling system by using of the designed communication protocol for railway signaling.

Development of Interlocking Inspection Simulator for Electronic Interlocking System (전자연동장치를 위한 연동검사시스템의 개발)

  • Lee, Jae-Ho;Hwang, Jong-Gyu;Park, Young-Soo;Park, Gui-Tae
    • The Transactions of the Korean Institute of Electrical Engineers P
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    • v.53 no.2
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    • pp.70-76
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    • 2004
  • The purpose of interlocking system in railway is to prevent the route for a train being set up and its protecting signal cleared if there were already another, conflicting route set up and the protecting signal for that route cleared. Recently, conventional relays circuitry in industrial field is replaced to computer-based control systems according to the advance of computer and communication technology. Therefore, interlocking systems in railway field are rapidly changing from existing relay-based interlocking system to computer-based electronic ones that executes the vital interlocking logic to assure the safety train routes at trackside signaling equipment room using electronic circuits. So it is very important to verify the performance of developed electronic interlocking system by plentiful laboratory testing before actually application in the railway system. However the laboratory testing in the present state of railway signaling is preformed individually by manual, so very much test time and cost are required. To solve these problems, we are developed the simulator for automatic interlocking inspection in this research. This simulator is able to operate on general personal computer and has following beneficial functions : automatic test sheet generation for inspection, automatic inspection execution and et al. The experiments are executed to test the feasibility of the developed simulator the experimental results have good agreements with the anticipated ones.

Formal Development of Software to Design of a Railway Interlocking Table for an Electronic Interlocking System (전자연동장치용 연동도표 작성 지원 소프트웨어 개발에 관한 연구)

  • Park, Young-Soo;Lee, Jae-Hoon;Lee, Key-Seo;Yoo, Kwang-Kwin
    • Journal of the Korean Society for Railway
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    • v.1 no.1
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    • pp.10-19
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    • 1998
  • Described in this paper is the software to design of a railway interlocking table, which describes the functional specifications of an interlocking device. Interlocking tables has been designed mainly based on personal expertise among signal engineers. However, this expertise needs to be analyzed with technical uniformity and integrated in an organized system. The proposed software is amount to the signal engineer's expertise, yet a generalization of interlocking reasoning. The algorithm is based on the train route setting principle, and is applicable in solving practical problems by computers. The software was evaluated through man-made and machine-made interlocking tables are compared. The evaluation results proves the software to be effective for computer control of the signaling system as interlocking system with a much improved safety.

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RAM Prediction of Signaling Interlocking System for AREX (공항철도 신호시스템 전자연동장치에 대한 RAM 예측)

  • Song, Mi-Ok;Lim, Sung-Soo;Lee, Chang-Hwan;Kwon, Min-Hyuk
    • Proceedings of the KSR Conference
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    • pp.255-261
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    • 2007
  • In this paper we introduce the method, procedure and result of RAM prediction for interlocking system which is applied for AREX signaling system. For RAM prediction, we breakdown the interlocking system to the LRU level and select the LRUs of which failure can cause the service delay. The prediction of reliability is based on the Reliability Block Diagram which is the functional diagram composed of selected LRUs and finally, the availability of interlocking system is estimated from the combination of reliability and maintainability.

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Signal Interlocking System of a Programmable Logic Controller Improvement Report (신호보안설비 전자연동장치(PLC) 개선 관련 보고)

  • Seok, Tae-Woo;Ko, Yang-Og;Yoo, Do-Gyun
    • Proceedings of the KSR Conference
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    • pp.623-628
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    • 2007
  • 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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Study on the Specification Development of the Safety-critical Korean High-speed Rail Interlocking Equipment (안전필수 한국형 고속철도 전자연동장치 사양개발에 관한 연구)

  • Shin, Duc-Ko;Shin, Kyung-Ho;Lee, Kang-Mi;Lee, Jae-Ho
    • Proceedings of the KSR Conference
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    • pp.101-108
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    • 2011
  • In this paper we present the specification development for the localization of interlockings which control routes within a HSR station yard. For the electronic interlockings in Korea introduced from France in the 1990s, it has a complicated hardware configuration and communication protocols in order to secure safety. Now 30 years later, in case of the application of the up-to-date IT technology, it is expected to achieve equal or greater safety and save maintenance costs. Additionally, we develop the specification so as to utilize the stable domestic electronic interlocking technology for general railways, beyond the simple maintenance for the performance maintenance of foreign devices, to high-speed railways. Therefore, we perform a study for the localization of the HSR electronic interlockings by comparing and analyzing interlocking logic units between conventional HSR and general railways.

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