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Train Operation Diagram-Based Equilibrium Model for an Urban Rail Transit Network with Transfer Constraints
| 题名： | Train Operation Diagram-Based Equilibrium Model for an Urban Rail Transit Network with Transfer Constraints |
| 正文语种： | 英语 |
| 作者： | Bingfeng Si;Zhengbing He;Di Liu;Xiaobao Yang;Ziyou Gao |
| 作者单位： | School of Traffic and Transportation, Beijing Jiaotong Univ.;College of Metropolitan Transportation, Beying Univ |
| 关键词： | Urban rail transit; Train operation diagram; space-time network; Network equilibrium; Shortest path |
| 摘要： | For urban rail transit (URT) operation and management, it is important to accurately estimate the spatial and temporal passenger flow distribution spreading all over the network. Unfortunately, a literature review shows that the existing simulation-based methods and dynamic assignment methods are not able to satisfactorily achieve the goal. Therefore, this paper proposes a train operation diagram-based equilibrium model to estimate the spatial and temporal passenger flow distribution in a URT network. First, a space-time URT network is constructed based on the train operation diagram, and then an equilibrium passenger flow assignment model is proposed for a URT system. Factors including travel time, transfer time, in-train congestion, and station congestion are considered. An improved shortest-path algorithm for the space-time URT network is presented, in which the transfer constraints are fully considered. Finally, the proposed model and algorithm are verified and analyzed by using a numerical example and are also demonstrated in the Beijing URT network. The proposed model, which is based on the train operation diagram and with the consideration of transfer constraints, is beneficial to estimating passenger flow within a URT network and to managing URT. |
| 出版日期： | 2020.11 |
| 出版年： | 2020 |
| 期刊名称： | Journal of Transportation Engineering |
| 卷： | Vol.146 |
| 期： | No.11 |
| 页码： | 04020126 |
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