Reconstruction Of Train Trajectories From Track
Occupation Data To Determine The Effects Of A
Driver Information System
Author(s)
T. Albrecht, R. M. P. Goverde, V. A. Weeda & J. van Luipen
Abstract
The Dutch railway network is one of the most intensely utilized networks in the
world and therefore many conflicts occur. The infrastructure manager ProRail
developed and tested a Driver Information System (DIS), which gives information
on current positions and delays of other trains on the same track. In a potential
conflict situation, the driver is then able to anticipate to the behaviour of the
previous train which should help avoiding unscheduled stops before red signals
and reducing the consequences of a conflict (increased energy consumption and
delay).
During the real-world test of the DIS, only few trains were equipped with
accessible onboard measurement equipment which was insufficient for a profound
analysis of the effects of it. It was therefore decided to reconstruct train trajectories
by using track occupation data, which is available for all the trains with a precision
of one second. A least squares approach is proposed to obtain the most probable
train speed profile along the line. The reconstructed trajectories are used to support
the manual observations of special events during the tests.
Keywords: driver information, traffic management, train detection system, speed
measurement.
Keywords
driver information, traffic management, train detection system, speed
measurement.
Related Book
Other papers in this volume
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