• Title/Summary/Keyword: Wayside object control unit

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Communication Consecutive Test of Train Oriented Control System for Wayside Equipment Control (선로변 시설물 차상제어를 위한 차상중심 열차제어시스템의 통신 연속성 시험)

  • Baek, Jong-Hyen
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.63 no.5
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    • pp.703-712
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    • 2014
  • To improve the efficiency and safety of railway systems, the train control system has been considerably evolved from the ground-equipment-based control system (e.g. track circuit, interlocking system, etc.) into the on-board-equipment-based control system. In addition, this train control system enables the rolling stock to intelligently control the trackside facilities by introducing the information and communication technologies (ICT). Accordingly, since the ICT-based train control system makes the railway system be simplified (i.e. the heavy ground-equipment can be removed), the efficient and cost-effective railway system can be realized. In this paper, we perform the feasibility test of the ICT-based train control system via a simulation. To this end, we have developed the prototypes of the on-board controller and wayside object control units which control the point and crossing gate and performed the integrated operation simulation in a testbed. In this paper, before the field test of the on-board-controller-based train control system, we perform the Consecutive operation test for prototypes of the on-board controller, wayside object control units and local control computer.

Preliminary Field Trial of Improved Train Control System Using on-board Control (선로변 시설물 차상 제어를 위한 차상중심 열차제어시스템 예비 현장시험)

  • Park, Chul Hong;Choi, Hyeon Yeong;Baek, Jong-Hyen
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.39C no.3
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    • pp.298-306
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    • 2014
  • The railway signalling system for safe train operation regulates the train speed to ensure the safety distance between consecutive trains by using wayside facilities such as track circuits and interlocking systems. In addition, this signalling system controls the trackside equipment such as a railway point along the train line. This ground-equipment-based train control systems require high CAPEX and OPEX. To deal with these problems, the train control system using the on-board controller has been recently proposed and its related technologies have been widely studied. The on-board-controller-based train control system is that the on-board controller can directly control the trackside equipment on the train line. In addition, if this system is used, the wayside facilities can be simplified, and as a result, the efficient and cost-effective train control system can be realized. To this end, we have developed the prototypes of the on-board controller and wayside object control units which control the point and crossing gate and performed the integrated operation simulation in a testbed. In this paper, before the field test of the on-board-controller-based train control system, we perform the preliminary field trial including the installation test, wireless access test, interface test with other on-board devices, and normal operation test.