Modelling railway freight traffic using the methods of graph theory and combinatorial optimization

Gainanov, Damir; Konygin, A. V.; Rasskazova, V. A.

doi:10.1134/s0005117916110047

Cited by 7 publications

(2 citation statements)

References 3 publications

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“…Several mathematical models have been developed for freight traffic planning [52]. In the literature, you can find papers in which a similar method of mapping the railway network was used as in this article, using graph theory [53]. Noteworthy is the use of operational research methods to freight traffic planning [54,55].…”

Section: Literature Reviewmentioning

confidence: 99%

The Assessment of Energy Efficiency versus Planning of Rail Freight Traffic: A Case Study on the Example of Poland

2021

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The issues addressed by the article concern the assessment of energy efficiency in rail transport, resulting from the proper organization of rail traffic. The problems related to energy consumption and, thus, the negative impact of rail transport on the natural environment are highly significant in terms of the green deal concept, climate change and sustainable development. In this article, energy efficiency is investigated in the context of minimizing the energy consumption necessary to satisfy a specific transport requirement. The essence of this article is to present an approach to energy-efficient planning of rail freight traffic. This article aims to develop a method covers the allocation of railway vehicles dedicated to freight traffic (locomotives and railcars) to perform a defined transport task, taking into account the energy efficiency assessment of the solution, routing the train launched with regard to the accomplishment of the defined transport task on the railway network, and determining the conditions of transport for a defined transport task, taking into account the allocated rolling stock (locomotives and railcars) and the route. In this article, based on the presented state of knowledge, a decision-making model has been proposed, including the model’s parameters, the values being searched for, indicators for assessing the quality of the solution, as well as the limitations and boundary conditions of the problem. The function of minimizing the energy consumption necessary to transport a shipment within the railway network (determining the energy efficiency of the proposed solution) has been proposed as the criterion. In addition, a description of the proprietary method of selecting rolling stock for accomplishing tasks, based on the assessment of the energy efficiency of the solution and a case study illustrating the operation of the method on the example of the area of Poland, has been presented.

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Section: Literature Reviewmentioning

confidence: 99%

The Assessment of Energy Efficiency versus Planning of Rail Freight Traffic: A Case Study on the Example of Poland

2021

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“…We also note the approach associated with the use of simulation and cellular automata described in [12], [13], [14], [15]. A number of publications are devoted to the modeling of rail transportation and flows arising in their process (see [16], [17], [18], [19], [20], [21], [22]). In particular, in works [19], [20], [21], [22] a model of organization of rail freight between two node stations connected by a railway line which contains a certain number of intermediate stations is investigated.…”

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Model for Organization Cargo Transportation at Resource Restrictions

Beklaryan¹,

Khachatryan²,

Akopov³

2019

Int. J. of Appl. Math.

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The model for organizing railway transportation on a long stretch of road between two node stations connected by a large number of intermediate stations is investigated. It allows to predict dynamics of load of the stations and flows arising in transport network at the set procedure of the movement of freight traffic. Such model is given by a system of differential equations with discontinuous right parts and satisfying the conditions setting resource restrictions. The numerical realization of this system is carried out. Depending on the ratio of the intensity of sending goods to the initial node station and the intensity of the distribution of goods from the final node station, three types of solutions of a given system are identified.

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The Decomposition Problem for the Set of Paths in a Directed Graph and Its Application

Gainanov

Кибзун

Rasskazova

2018

Autom Remote Control

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Modelling railway freight traffic using the methods of graph theory and combinatorial optimization

Cited by 7 publications

References 3 publications

The Assessment of Energy Efficiency versus Planning of Rail Freight Traffic: A Case Study on the Example of Poland

The Assessment of Energy Efficiency versus Planning of Rail Freight Traffic: A Case Study on the Example of Poland

Model for Organization Cargo Transportation at Resource Restrictions

The Decomposition Problem for the Set of Paths in a Directed Graph and Its Application

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