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Mathematical model of transportation of raw material and finished products of mining and metallurgical enterprises by railway directions with parallel motion

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Category: Mining mechanics

Last Updated on Thursday, 24 July 2014 18:49

Published on Wednesday, 10 July 2013 11:50

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Authors:

R.V. Vernigora, Cand. Sci. (Teсh.), Associate Professor, Academician Lazarian Dnepropetrovsk National University of Railway Transport, Senior Lecturer of the Department of Stations and Junctions, Dnepropetrovsk, Ukraine

O.Yu. Papakhov, Cand. Sci. (Teсh.), Associate Professor, State Higher Educational Institution “National Mining University”, Senior Lecturer of the Department of Transport Management, Dnepropetrovsk, Ukraine

N.O. Logvinova, State Higher Educational Institution “National Mining University”, Assistant Lecturer of the Department of Transport Management, Dnepropetrovsk, Ukraine

Abstract:

Purpose. To determine economically viable rationale of distribution of raw material and goods traffic of an enterprise of mining-metallurgical complex between the railway segments with parallel motions.

Methodology. The methodical basis of the research included: analysis and generalization of literary sources and positive experience of freight train handling; mathematical simulation of train operation at railway segment with parallel motions; the methods of statistical, cost, analytical and expert estimation of information about the state of handling of freight trains with raw material and goods of mining-metallurgical complex enterprises at the railway segments with parallel motions in operating conditions.

Findings. We have substantiated the economically viable freight trains traffic volumes for transportation of raw material and prepared products of mining-metallurgical complex enterprises at the railway segments with parallel motions taking into account the limitation of carrying capacity on the electrified segments in the conditions of electric power wholesale market.

Originality. For the first time we have formulated and solved the problem of optimization of trains handling for transportation of raw material and goods of mining-metallurgical complex enterprises at the railway segments with parallel motions taking into account the differentiated tariffs on electric power. This allows accelerating delivery of cargo and cutting the expenses of railway on freight trains handling. We have improved the economic mathematical model of railway segment with parallel motions, which, unlike existing, allows defining the most rational distribution of trains with raw material and goods depending on the operating situation.

Practical value. The developed procedure and methods can be used for creation of computer-aided system of decision making support for the efficient distribution of trains with raw material and goods of mining-metallurgical complex enterprises at the railway segments with parallel motions taking into account the differentiated tariffs on electric power and high-speed passenger train operation, and for development of workstation (ARM) of train dispatching personnel and efficient directive departments of management and railway. 

References:

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Grebenyuk, Р.T. Dolganov, A.N., Nekrasov, O.A., Lisitsyn, A.L., Stromskiy, P.P., Borovikov, A.P., Chukova, V.G., Grigorenko, V.G. and Pervushina, V.M. (2005), Pravila tyagovykh raschetov dlya poezdnoy raboty [Rules of Train Performance Calculation], Transport, Moscow, Russia.

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