Modelling of freight trains classification using queueing system subject to breakdowns
type: Item
instance of: scholarly article
title: Modelling of freight trains classification using queueing system subject to breakdowns
zbMATH Open document ID: 1296.90030
DOI: 10.1155/2013/307652
author: Michal Dorda
author: Dušan Teichmann
published in: Mathematical Problems in Engineering
publication date: 2014-10-13T00:00:00Z
review text: Summary: The paper presents a mathematical model and a simulation model of the freight trains classification process. We model the process as a queueing system with a server which is represented by a hump at a marshalling yard. We distinguish two types of shunting over the hump; primary shunting represents the classification of inbound freight trains over the hump (it is the primary function of marshalling yards), and secondary shunting is, for example, represented by the classification of trains of wagons entering the yard via industrial sidings. Inbound freight trains are considered to be customers in the system, and all needs of secondary shunting are failures of the hump because performing secondary shunting occupies the hump, and therefore inbound freight trains cannot be sorted. All random variables of the model are considered to be exponentially distributed with the exception of customer service times which are Erlang distributed. The mathematical model was created using method of stages and can be solved numerically employing a suitable software tool. The simulation model was created using coloured Petri nets. Both models are tested in conditions of a marshalling yard.
Mathematics Subject Classification ID: 90B22
zbMATH DE Number: 6354216
MaRDI profile type: Publication
full work available at URL: https://doi.org/10.1155/2013/307652
OpenAlex ID: W2153632587
Wikidata QID: Q59025882
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description: scientific article; zbMATH DE number 6354216