Comparing The Effectiveness Of Two Real-time
Train Rescheduling Systems In Case Of Perturbed
Traffic Conditions
Author(s)
S. Wegele, F. Corman & A. D’Ariano
Abstract
Rescheduling train traffic in a busy and complex railway area is a challenging task,
partly because of the high number of constraints to be taken into account, and
partly because of the many variables involved. Currently this task is performed
almost exclusively by human traffic operators. Previous attempts to provide an
automated decision support system have been limited to identifying and solving
train conflicts locally. Recently innovative dispatching support tools have been
presented that are able to cope with large (real-time) timetable perturbations, such
as train delays and their propagation. However, there is a lack of computational
studies that underline their additional practical value.
In this paper we compare two advanced support systems for real-time rescheduling
of train operations, developed for the German and Dutch railway networks. The
research aim is to establish a bench mark for future co-operation and exchange of
innovative solutions. A common test case from the Dutch railway network, the dispatching
area between Utrecht and Den Bosch, and disturbed traffic conditions are
studied to evaluate the two dispatching support tools in terms of delay minimization.
Since these tools make use of differentmathematical optimization techniques
for the computation of running times and train sequences, a detailed comparison
of the proposed rescheduling solutions is provided. The use of railway capacity is
illustrated in order to enable an easy and fast detection of the conflicts between the
trains running in the network and to get precise information about their resolution
by the different rescheduling techniques.
Keywords: decision support, computer techniques, dynamic train regulations.
Keywords
decision support, computer techniques, dynamic train regulations.
Related Book
Other papers in this volume
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