A New Tool For Railway Planning And Line
Management
Author(s)
J. Garzón Núñez, J. de D. Sanz Bobi, J. Gómez Ramírez
& J. Cano Nogueras
Abstract
Nowadays a trend focused on developing new tools in order to ease the decision
making process in traffic central post facilities is clearly demanded by railway
administrations. Also, hardware and software technical improvement allows new
and more complex control and planning systems to be developed.
In this paper a new tool developed for railway planning and traffic regulation
is presented. Intelligent planning and traffic regulation is carried out with the
help of a simulation tool that provides very valuable information to the planning
and regulating tools of the way the railway line will react to the control orders.
This simulator gives information of both mechanical and electrical behaviour of
the system so electrical consumption can be taken into consideration in order to
obtain an operational plan.
The way the line planning is carried out can be described this way: First,
planning tool gets the operator inputs to the tool that are mainly the starting
position of the train units in the line, the interval between circulations throughout
the day or the departure time of the train. Then the planning tool calculates the
optimal theoretical schedule and the routing list for each station in the line
according to the inputs, conditions and restrictions of the line. This theoretical
planning is tested using the simulator and if it fulfils line operational
requirements is stored as a valid plan. Finally, a traffic regulation tool is in
charge of executing the theoretical plan. This tool compares the theoretical plan
with the result of the operation of the railway line, calculates the deviation from
the theoretical plan (conflict detection) and sends orders to the traffic control
system trying to lessen the deviations from the theoretical plan (conflict
resolution). If deviations can’t be reduced, a new planning taking into
consideration the actual state of the line is obtained in order to operate the line
while a degraded situation is taking place. Then, once the degraded situation is
overridden, the first theoretical plan is recovered if possible.
Keywords: railway planning, decision making, train control, simulation tool.
Keywords
railway planning, decision making, train control, simulation tool.
Related Book
Other papers in this volume
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