** Centre for Transport Studies (CTS) Seminar Series
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** Models and Algorithms for Real-time Railway Traffic Management Problems
** Dr Marcella Samà (Roma Tre University, Italy)
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** Date and time: 28 March 2019 @16:00
** Location: Room 102A, Chadwick Building, UCL Bloomsbury Campus, Gower St, London, WC1E 6BT, United Kingdom
** Register here: https://cts-seminars-drmarcellasama.eventbrite.co.uk
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Abstract:
Public transport systems such as railways address the ever-increasing transport demand. Building new infrastructures is a difficult, pushing infrastructure managers to better use the already existing ones.
Utilization plans are carefully designed; however, disturbances may arise, making the timetable infeasible and resulting in the propagation of the initial delay. The real-time Train Scheduling and Routing problem consists in detecting and solving time-overlapping conflicting track requests done by multiple trains and create a recovery plan in which each track is used at most by one train at a time and no deadlock exists in the network. The problem is NP-hard and finding a good quality solution in a short computation time for practical size instances is a very difficult task. The talks present how we model the problem via an alternative graph formulation and solve it using the optimization solver AGLIBRARY, developed at Roma Tre University.
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Biography:
Marcella Samà received a BSc in Computer Science Engineering and a MSc in Automation and Management Engineering at Roma Tre University. She completed her PhD in 2016 with a thesis on "Models and algorithms for the real-time railway and air traffic flow management problems". Currently, she is Post-Doc and a member of the Railway Optimization Group in the AUTomation and Operations Research in Industry Lab (AUT.OR.I) at Roma Tre University.
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