Study of an Optimal Control Algorithm for Train Interval Under Disturbance

외란을 고려한 열차간격 최적제어 알고리즘 연구

Kim, Kiwoong;Lee, Jongwoo;Park, Minkee

  • Received : 2014.11.26
  • Accepted : 2015.07.13
  • Published : 2015.10.31


When a train is delayed because of a disturbance, the time interval between successive trains increases and high-frequency metro lines can become unstable. Time interval control is therefore necessary in preventing such instabilities. In this paper, we propose an optimal interval control algorithm that is easy-to-implement and that guarantees system stability. In the proposed method, the controlled trains are determined from the time interval deviations between successive trains; the control algorithm for staying time is designed by use of a discrete traffic model to ensure an optimal time interval between successive trains. The results of a computer simulation are also given to demonstrate the validity of the proposed algorithm.


Train traffic control;Train interval control;Traffic model;Traffic regulation


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Cited by

  1. Traffic regulation algorithm for metro lines with time interval deviations vol.31, pp.2, 2016,


Supported by : 서울과학기술대학교