Cascading Reliability Assessment of International Railway Freight Network Based on Coupled Map Lattices: A Case Study of China Railway Express

The cascading reliability problem of international railway freight network is becoming noticeable due to the limitation of node transportation capacity with increases in the transport volume of the international railway freight trains. We discuss this problem in this study, thereby focusing on the f...

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Bibliographic Details
Published in:Journal of advanced transportation 2024-10, Vol.2024 (1)
Main Authors: Chen, Si, Chi, Xinyi, Zhang, Qian, Tang, Yinying, Liu, Zhen, Tan, Wenkai
Format: Article
Language:English
Subjects:
Case studies
Critical path
Efficiency
Failure
Foreign operations
Freight trains
Indicators
International economic relations
International relations
Network management systems
Network reliability
Nodes
Optimization
Propagation
Railroads
Reliability analysis
Transportation services
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Summary:The cascading reliability problem of international railway freight network is becoming noticeable due to the limitation of node transportation capacity with increases in the transport volume of the international railway freight trains. We discuss this problem in this study, thereby focusing on the failure process of the international railway freight network. As the first step, we consider three factors of node degree, node betweenness, and edge betweenness based on the complex network theory, and establish the node model using coupled map lattice method. Next, we select three indicators to evaluate the reliability characteristics of the network and evaluate the robustness of the network with the maximum effective graph and the network efficiency. Finally, we apply the model to the China Railway Express freight network and consider two situations: cascading failures and noncascading failures that are corresponding to two strategies: redistributing cargoes and disbanding cargoes. The results show that the cascading reliability of the China Railway Express freight network is not high. The indicators decrease less than 10% under noncascading failure, while more than 40% under cascading failure, so the network is more reliable under noncascading failure. Our research provides a new way to test the cascading reliability of the international railway freight network and provide different strategies for improving reliability.
ISSN:0197-6729
2042-3195
DOI:10.1155/2024/1436605