Modeling cascade dynamics of railway networks under inclement weather

Dali Wei, Hongchao Liu, Yong Qin

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

Understanding the cascade dynamics of delay propagation under inclement weather is crucial to proactive railway management. In this paper, we proposed a Switching Max-Plus System (SMPS) to model the delay propagation on railway networks, which extends the conventional MPS by incorporating multiple system matrices to capture the dynamic impacts of inclement weather. An algorithm based on the All-Paired Critical-Path (APCP) graph was developed to solve the SMPS, which calculates secondary delays without backtracking the precedent events. The proposed model and its solution algorithm were validated using discrete-time simulations on both artificial and empirical networks. The robustness of railway services was also analyzed using the concepts of vulnerability and diffusivity.

Original languageEnglish
Pages (from-to)95-122
Number of pages28
JournalTransportation Research Part E: Logistics and Transportation Review
Volume80
DOIs
StatePublished - Aug 1 2015

Keywords

  • Railway delay
  • Railway schedule
  • Robustness
  • Timetable
  • Vulnerability

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