Evaluation Of Energy Saving Strategies In
Heavily Used Rail Networks By Implementing An
Integrated Real-time Rescheduling System
Author(s)
M. Luethi
Abstract
The Swiss Federal Railways in cooperation with the Swiss Federal Institute of
Technology ETH has developed an integrated real-time rescheduling system to
simultaneously improve rail network capacity and punctuality. The approach
combines real-time rescheduling (performed after a delay or incident) with very
precise train operation facilitated by providing dynamic schedule information to
train drivers. This information enables train drivers to change their driving
behaviour and adjust their speed based on the new schedule. This can
significantly reduce the number of unnecessary decelerations or stops due to
conflicts. Consequently, traffic flow is improved. In addition, also energy
consumption is reduced because unintended re-accelerations are minimised. This
paper describes results of an analysis performed to calculate the energy savings
possible using the integrated real-time rescheduling system.
Keywords: rail traffic management; train dispatching; energy optimisation
strategies.
1 Introduction
Railway operators have significantly increased passenger and freight service in
the last several years. Consequently, railway infrastructure is being used more
intensively and the system is becoming less stable. Under these conditions a
small initial disturbance can propagate causing substantial knock-on delays
throughout the entire network. In order to reduce the impact of these delays, train
dispatchers must react quickly and make decisions based on current conditions.
Given the complexity of this task, research on real-time rescheduling systems for
rail networks has become an important research topic. Good overviews of the
Keywords
rail traffic management; train dispatching; energy optimisation
strategies.
Related Book
Other papers in this volume
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