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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 104
PROCEEDINGS OF THE SECOND INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE Edited by: J. Pombo
Paper 232
Stochastic Train Delay Simulation using Petri Nets L.F. Caetano and P.F. Teixeira
Center for Urban and Regional Systems, Instituto Superior Técnico (IST), Technical University of Lisbon, Portugal L.F. Caetano, P.F. Teixeira, "Stochastic Train Delay Simulation using Petri Nets", in J. Pombo, (Editor), "Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 232, 2014. doi:10.4203/ccp.104.232
Keywords: Petri nets, railway operations simulation, stochastic delays, timetable reliability.
Summary
Current commercial software for micro-simulation of railway operations can be
time-consuming and requires detailed infrastructure, operations and rolling stock
modeling. The alternative approach presented in this paper uses Petri nets to
simulate railway operations by including stochastic variations of train travel times.
Compared with other simulation models, a high level of detail in the modeling is
included which proves that this model can obtain accurate results regarding the
reproduction of the train operation both under normal conditions or high traffic
perturbations. The Petri nets model was tested using the simulation train operations
of the Cascais line in the Lisbon metropolitan area.
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