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ATMOS
2007
129views Optimization» more  ATMOS 2007»
13 years 6 months ago
Applied Railway Optimization in Production Planning at DSB S-tog - tasks, tools and challenges
Efficient public transportation is becoming increasingly vital for modern capitals. DSB S-tog a/s is the major supplier of rail traffic on the infrastructure of the city-rail netwo...
Jens Clausen
ATMOS
2007
114views Optimization» more  ATMOS 2007»
13 years 6 months ago
Fast Approaches to Robust Railway Timetabling
The Train Timetabling Problem (TTP) consists in finding a train schedule on a railway network that satisfies some operational constraints and maximizes a profit function which c...
Matteo Fischetti, Arrigo Zanette, Domenico Salvagn...
ATMOS
2007
163views Optimization» more  ATMOS 2007»
13 years 6 months ago
Branching Strategies to Improve Regularity of Crew Schedules in Ex-Urban Public Transit
We discuss timetables in ex-urban bus traffic that consist of many trips serviced every day together with some exceptions that do not repeat daily. Traditional optimization methods...
Ingmar Steinzen, Leena Suhl, Natalia Kliewer
ATMOS
2007
124views Optimization» more  ATMOS 2007»
13 years 6 months ago
A Simulation/Optimization Framework for Locomotive Planning
Abstract. In this paper, we give an overview of the Locomotive Simulater/Optimizer (LSO) decision support system developed by us for railroads. This software is designed to imitate...
Artyom G. Nahapetyan, Ravindra K. Ahuja, F. Zeynep...
ATMOS
2007
129views Optimization» more  ATMOS 2007»
13 years 6 months ago
Solving a Real-World Train Unit Assignment Problem
We face a real-world train unit assignment problem for an operator running trains in a regional area. Given a set of timetabled train trips, each with a required number of passenge...
Valentina Cacchiani, Alberto Caprara, Paolo Toth