Towards A Simulation-based Framework
For Evaluating Energy-efficient Solutions In
Train Operation
Author(s)
V. de Martinis , U. Weidmann & M. Gallo
Abstract
In this paper we propose a simulation-based framework for evaluating energyefficient
solutions in train operation. The general framework is composed of an
optimisation system able to generate energy-efficient station-to-station speed
profiles, looped with a micro-simulation tool for simulating railway traffic
conditions, in order to evaluate the impacts on railway systems (delays, conflicts)
and energy savings. The optimisation system is a subroutine consisting of a
Genetic Algorithm for optimal speed profile parameters optimisation, a speed
profile generator, and an energy consumption model. The micro simulation tool
allows the evaluation of the impact of energy efficient speed profiles on rail
operation. The framework operates on a database composed of 4 subsets:
timetable, rolling stock characteristics, signalling system, infrastructure features;
the first subset can be considered as the result of scheduling or rescheduling
procedures, while the others can be assumed to be fixed. The proposed
framework has been applied on a real-scale case of an Italian suburban railway
system.
Keywords: energy saving, speed profile, simulation.
Keywords
energy saving, speed profile, simulation.
Related Book
Other papers in this volume
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