• Title, Summary, Keyword: Turnback time

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Study on Relationship between Turn-back Time and Assignment of Trainsets (철도 차량의 반복시간과 소요량 사이의 관계 고찰)

  • Ki, Hyung-seo;Oh, Suk-mun;Park, Dongjoo
    • Journal of the Korean Society for Railway
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    • v.19 no.6
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    • pp.802-814
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    • 2016
  • This study examines the relationship between the operational turnaround time and the rolling stock requirements. In this study, the operational turnaround time of rolling stock is divided into physical turnback time and waiting time. This paper presents a variety of models and estimation results of the existing studies on operational turnaround time. The proposed estimation model of the operational turnaround time in this study is designed to minimize the operational turnaround time in terminus stations, while the rolling stock requirement is reduced. The developed estimation model was applied in a real-world example, and it was found that the operational turnaround time and the required rolling stocks were lessened compared with the current condition. The method presented in this paper is expected to be utilized in train operational planning and rolling stock routing plans, thereby minimizing the rolling stock requirements of existing railway operating authorities.