A Cooperative Strategy Framework Of Train
Rescheduling For Portal Junctions Leading Into
Bottleneck Sections
Author(s)
L. Chen, F. Schmid, B. Ning, C. Roberts & T. Tang
Abstract
On main line railways, bottleneck sections in urban area usually have high
intensity traffic flows because of trains converging from different origins
through portal junctions. As a result, a small delay to one train can cause long
knock-on delays to following trains because of the limit margin time and
recovery time in the nominal timetable in bottleneck sections. This paper
proposes a cooperative strategy framework for train rescheduling of portal
junctions leading into bottleneck sections to decrease the overall delay and
recovery from the unpredictable event of disturbances. The strategy is mainly
based on an improved Differential Evolution algorithm for the Junction
Rescheduling Model (DE-JRM), which is proved to be suitable for solving train
rescheduling problems for both individual fly-over junctions and flat junctions.
Keywords: train rescheduling, differential evolution, bottleneck sections.
1 Introduction
In practical railway operations, most train delays occur in junction areas, where
trains from different origins converge. Because of the conflict at the junction
point, a delay to one train can cause unplanned stops and consequential delays
for the trains on other converging routes. A typical example is shown in
Figure 1. Train 1 and train 2 approach the station ahead from different routes, via
Keywords
train rescheduling, differential evolution, bottleneck sections
Related Book
Other papers in this volume
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