RTCSIM: An Innovative, Extendable
Computation Engine For Timetable Validation
Author(s)
T. Polzin & R. Gooßmann
Abstract
In the beginning of 2005, HaCon started an initiative to redesign the computation
engine for running times and mapping of train service dynamics as provided
within the TPS Timetable Planning System, which is the core production system
for railway operational planning in Denmark. In the light of increasing demands
on timetable validation technology, this activity aimed at providing a future-safe
solution for the integration of such technology into operational planning
applications.
Meanwhile, the first versions of the newly designed module RTCSIM have
been integrated within the actual software version of TPS. The system is used for
integrated production planning over different time horizons including STP (Short
Term Planning) at Banedanmark, DSB and DSB S-train as well as
Trafikstyrelsen, the Danish regulation and certification body. It was implemented
within the years 1999–2002 and has evolved steadily until today, facing
imminent changes in business processes and system interfaces.
TPS features a high resolution level of infrastructure data including tracks and
routes as well as detailed security system information laid out in a principle track
plan. Train services are mapped into the model using detailed occupation and
release information for the infrastructure elements following the UIC 406 leaflet.
It includes conflict detection and resolution algorithms being applied to the
overall capacity plan maintained by the system, featuring train services,
temporary speed restrictions, track blockages or other withdrawals of network
capacity. Using the modular architecture of the new computation engine will
unleash several innovative potentials. This especially facilitates the future use of
extensive functionality for assessment and optimisation of railway network
capacity within TPS. With that, HaCon now continues with a long tradition of
application development such as the well known UX-SIMU software package as
supplied until 1999.
This paper gives an overview about the underlying concept and mechanisms
of the new computation engine RTCSIM as well as an assessment of impacts on
future timetable validation techniques.
Keywords: timetable planning, operational planning, timetable validation,
microscopic infrastructure, simulation, capacity assessment.
Keywords
timetable planning, operational planning, timetable validation,
microscopic infrastructure, simulation, capacity assessment.
Related Book
Other papers in this volume
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