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GERT MODEL OF A TECHNICAL STATION FOR DETERMINING THE PASSENGER TRAINSET DELAY

Authors
  • TODOROVA, Mirena1
  • 1 University of Transport “TodorKableshkov”, Geo Milev 158, Sofia , (Bulgaria)
Type
Published Article
Journal
Transport Problems
Publisher
Silesian University of Technology
Publication Date
Apr 23, 2019
Volume
14
Issue
1
Pages
81–93
Identifiers
DOI: 10.21307/tp.2019.14.1.8
Source
Exeley
Keywords
License
Green

Abstract

The paper presents a technical station model using the graphical evaluation and review technique – GERT. The network model reflects the operation of trainset service in compliance with the technology and technical equipment as well as interaction between technological systems at the service stations that are different by track development but connected to big passenger stations, which gives a possibility of determining the service time of trainsets depending on the number of carriages and the specificity of operation conditions. This GERT model is applied to the case study of an individual service station within the railway network in Bulgaria. The regression functions of service time are worked out according to the type and the number of carriages taking into account the limitation parameters. The functions obtained could be used for trainset scheduling to optimize the operation of passenger carriage fleet.

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