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http://dx.doi.org/10.7470/jkst.2015.33.6.564

Analysis of Acceleration and Deceleration on High Performance Train for A Metropolitan Rapid Transit System  

KO, Kyeong Jun (Small & Medium Enterprises Cooperation Division, Korea Railroad Research Institute)
KIM, Jung Tai (Signalling & Communication Research Team, Korea Railroad Research Institute)
KIM, Moo Sun (Metropolitan Transit Convergence Research Division, Korea Railroad Research Institute)
JANG, Dong Uk (Wireless Power Transfer System Research Team, Korea Railroad Research Institute)
HONG, Jae Sung (Technical Regulation Team, Korea Railroad Research Institute)
RYU, Sang Hwan (Metropolitan Transit Convergence Research Division, Korea Railroad Research Institute)
JUNG, Jong Deok (Metropolitan Transit Convergence Research Division, Korea Railroad Research Institute)
Publication Information
Journal of Korean Society of Transportation / v.33, no.6, 2015 , pp. 564-574 More about this Journal
Abstract
As shown by the popularity of the rapid train in the Seoul Metro Line No. 9, the demand for the rapidization of the metro transit has been continuously increased. However, it needs tremendous cost to construct new additional infrastructures to the existing line for the rapidization. In order to overcome the problem, utilizing the existing infrastructures such as crossing tracks as railroad sidetracks can be considered to be a good method of reducing the cost. In this case, there is a way exploiting the existing train as an express train and the advanced train, which increases both acceleration and deceleration, as a local train, but achievable acceleration and deceleration have not been analyzed rigorously. In this paper, we analyze feasible ranges and optimal values of both acceleration and deceleration of the advanced train analytically when we consider the rapidization of the metro transit utilizing the existing infrastructures and verify the results in Seoul Metro Line No. 3. Simulation results show ranges and optimal values of achievable acceleration and deceleration exist when minimum gap between an express train and a local train is smaller than 40 seconds.
Keywords
metro transit rapidization; optimization; the existing infrastructure; train acceleration and deceleration; sidetrack;
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Times Cited By KSCI : 4  (Citation Analysis)
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