시간지연에 따른 열차의 운행간격 제어알고리즘
Traffic Regulation Algorithm for Metro Lines with Time Delay
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참고문헌
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초록
철도운행 시스템에서 외란에 의해 지연이 발생하면 열차 사이의 시간간격 편차가 증가하여 열차운행이 불안정하게 된다. 따라서이러한 불안정한 열차운행을 방지하기 위하여 열차의 운행간격을 제어하는 것이 필요하다. 본 논문에서는 철도운행 시스템의 안정성을 보장하는 간단하면서도 효과적인 새로운 열차의 운행간격 제어알고리즘을 제안한다. 제안한 알고리즘은 이산 열차모델에 기반하며 열차의 적정한 운행간격이 유지되도록 출발시간 편차와 선행열차 제어입력의 선형조합에 의해 운행시간을 제어한다. 시뮬레이션을 통해 제안한 방법의 유효성을 보인다.
Abstract
When a train is delayed because of a disturbance, the time interval deviation between successive trains increases,and high frequency metro lines can become unstable. Thus, it is necessary to control the traffic regularity toprevent any such instability. In this paper, we propose a simple but effective traffic regulation algorithm thatgurantees system stability. In the proposed method, the control algorithm for running time is designed using adiscrete traffic model where control input is determined from a linear combination of departure time deviationsand control input of the preceding train to ensure an optimal time interval between successive trains. The resultsof the computer simulation are also given to demonstrate the validity of the proposed algorithm.
참고문헌 (12)
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