Simulation Of Traffic Management With FRISO
Author(s)
A. D. Middelkoop & L. Loeve
Abstract
Due to the high occupancy rate of the Dutch rail network it is difficult to handle
future transport demand by the introduction of more trains. The main challenges
are on one hand generating a feasible timetable and at the same time meeting
performance criteria e.g. punctuality and train delays. Possible solutions are
extension of infrastructure capacity and/or adjustment of the timetable structure.
Besides those more common measures there is a third option that focuses on
traffic management. These measures concern operational and planning issues
such as increasing the level of flexibility in daily operation, e.g. by better
decision support systems, and decreasing the level of detail in the planning stage.
In order to quantify the improvements of such measures, Dutch Inframanager
ProRail uses simulation. This simulation approach requires new functionality,
regarding train control mechanisms.
One of the first studies performed with this kind of simulation is the
important bottleneck Schiphol station. Following this approach the development
of a more general simulation tool has been started. This tool is called FRISO:
Flexible Rail Infrastructure Simulation of Operations. Important features of this
tool are the automatized construction of a simulation model by using a
connection to an existing infrastructure database, flexible infrastructure editor
including generator functions and the possibility to perform single and multiple
(stochastic) simulation experiments.
A special feature is the possibility to connect to an existing external traffic
management system (TMS). By this connection the effects of TMS-variants may
be quantified. The software architecture contains synchronisation mechanisms
that allow consistent time management and interaction between the simulator
FRISO and TMS or other applications. TMS can take over internal FRISO train
dispatching tasks to optimise the train traffic in a local area. It is designed to
improve traffic control by means of advisory speeds, routes and order of trains.
Keywords: simulation, traffic management, distributed simulation.
Keywords
simulation, traffic management, distributed simulation.
Related Book
Other papers in this volume
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