摘要A valid path searching method was applied in an interrupted urban rail transit network line to determine a rapid, accurate, and easy path for evacuating stranded passengers. The method is based on the established urban rail transit network model and considers the characteristics of interrupted rail networks. Valid paths were redefined with constraint conditions, such as fault points, maximum transfer times, and generalized cost. The depth-first algorithm was also improved, and the valid path searching model for interrupted urban rail transit network lines was established. The model was validated in Shanghai Metro Network, an interrupted urban rail transit, by using the C# programming language. Results show that when People Square station is interrupted, five valid paths can be searched between Shanghai West Railway station and Pudong International Airport station with constraints.
Abstract：A valid path searching method was applied in an interrupted urban rail transit network line to determine a rapid, accurate, and easy path for evacuating stranded passengers. The method is based on the established urban rail transit network model and considers the characteristics of interrupted rail networks. Valid paths were redefined with constraint conditions, such as fault points, maximum transfer times, and generalized cost. The depth-first algorithm was also improved, and the valid path searching model for interrupted urban rail transit network lines was established. The model was validated in Shanghai Metro Network, an interrupted urban rail transit, by using the C# programming language. Results show that when People Square station is interrupted, five valid paths can be searched between Shanghai West Railway station and Pudong International Airport station with constraints.
基金资助:Supported by the National Nature Science Foundation of China (No.51208261):the Scientific Research Project of School of Wentian of Hohai University (No.WT15003)
通讯作者:
HAN Xue,E-mail address:hanxue_echo@163.com
E-mail: hanxue_echo@163.com
引用本文:
韩雪, 王笛, 刘英舜, 郭唐仪. 城市轨道交通网络中断下的有效路径搜索模型[J]. Journal of Highway and Transportation Research and Development, 2016, 10(2): 79-83.
HAN Xue, WANG Di, LIU Ying-shun, GUO Tang-yi. Valid Path Searching of an Interrupted Urban Rail Transit Network. Journal of Highway and Transportation Research and Development, 2016, 10(2): 79-83.
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2016, Vol. 10 
