• Title/Summary/Keyword: crash simulation

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Design and Implementation of Response type of Flickering Green Signal System using Beacon Message (비콘메세지를 이용한 반응형 녹색점멸 신호시스템 설계 및 구현)

  • An, Hyo-In;Mun, Hyung-Jin;Kim, Chang-Geun
    • Journal of Digital Convergence
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    • v.14 no.11
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    • pp.241-247
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    • 2016
  • As a domestic traffic control signal system, either the system with which a traffic signal turns into green at regular intervals or the system with which an amber or a red signal flickers on local roads without heavy traffic at midnight has been utilized. However, when the former system is used for roads with light traffic at midnight, delays and congestion can be incurred. Besides, in case of the latter signal system, the risk of vehicle crash is high. This study proposes a response type of flickering green signal system that rearranges signal system after analyzing beacon messages including sensor data. The proposed system, on a trunk road or a branch road at midnight, makes the signal keep flickering in green; When a vehicle enters the range of RSE, the transfer coverage, it transmits beacon messages regularly and Agent System analyzes the messages and alters the signal. It is a system by which vehicles move following the altered signal system, which will not only ensure smooth flow but also prevent vehicles from crashing on a road with light traffic. As a result of a simulation, traffic throughput and the average waiting time displayed 10 to 30 percent better improvement than existing signal systems, in terms of performance.