Urban Rail Transit Network Vulnerability Measurement Based on Complex Network Theory: A Case Study of Chongqing Rail Transit
Abstract
With the rapid growth of social economy, urban rail transit has become a major mode for public transportation, which puts forward higher requirements for the safety of urban rail transit. It is urgent for rail transit operators to find out the key stations in the network and to take corresponding preventive measures in order to avoid heavy losses. Based on the theory of complex network, the study of urban rail transit network vulnerability was carried out through computer simulation at different attack strategies to find out the influence of failing key stations to entire network. Then, a case study of Chongqing urban rail transit network was carried out. Both random attack strategy and selected attack strategy were applied to the network. By comparing the relative efficiency declines of two attack strategies, it is concluded that Chongqing rail transit network is a typical scale-free network, and is robust under random attacks, and is vulnerable under selected attacks. Furthermore, the results show that most of the important stations are stations with large degree.
Keywords
City rail transportation, Complex network theory, Network vulnerability
DOI
10.12783/dtcse/cmsam2018/26523
10.12783/dtcse/cmsam2018/26523
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