Railway Timetable Stability Analysis: Case of Addis Ababa LRT
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Date
2014
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Publisher
Addis Ababa University
Abstract
Recently, railway traffic has increased considerably in the different parts of the world;
moreover, it is expected that railway transportation will further grow for both passenger
and freight transportation. These developments create needs to optimize both the
utilization of the existing infrastructure and the coordination tasks inside the railway
company. Specially, the process times at stations should be well monitored to deliver
efficient services.
Railway timetable is affected by several factors. The fact that makes the case more serious
is that a disturbance encountered one train may propagate to the whole network unless a
timetable that absorbs the fluctuation has been designed. This makes the railway timetable
to be the heart of railway operation. Hence, the thesis at hand is aimed to develop stability
analysis method which is used to design more stable timetable to handle the disturbances
occurring to the railway network. In this research, both the interior and exterior factors
that affect railway timetable stability were taken into account. In view of that, at the end of
the research work, a model that is used to analyze trains timetable stability has been
developed. The developed model is applicable to passengers’ railway network like Addis
Ababa LRT.
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Keywords
Train timetable, stability, exterior factor, interior factor, information entropy, disturbance