Browsing by Author "Bardas, Oleksandr O."
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Item Influence Research of Traffic Prediction Accuracy on Effective Management of the Trains Breaking-Up Order(Silesian University of Tecnology, Katowice, Poland, 2016) Bardas, Oleksandr O.; Skovron, Ihor Ya.; Demchenko, Yevhen B.; Dorosh, Andrii S.ENG: The article presents the research results of management processes in order of trains breaking-up on marshalling yards. The objective of this article is determination the area of rational use of trains breaking-up order models. Model of trains breaking-up order selection is formalized in the form of stochastic programming task. With the help of simulation modeling was obtained the dependence, describing the impact of trains arrival forecasting error and sizes of car traffic processing on reducing operating costs of the marshalling yards through the management of trains breaking-up order. The investigations can establish the requirements for accuracy of information support of operational planning tasks necessary for achieving the desired economic effect of the management of trains breaking-up order.Item Research of Traffic Prediction Accuracy Influence on the Effectiveness of Trains Breaking-Up Order Control(Silesian University of Technology, Poland, 2017) Bardas, Oleksandr O.; Skovron, Ihor Ya.; Demchenko, Yevhen B.; Dorosh, Andrii S.; Buriak, Serhii Yu.ENG: The article presents the research results of economic feasibility of trains’ breaking-up order control at marshalling yards. The article objective was to determine the area of rational use of trains’ breaking-up order model, formalized in the form of stochastic programming problem. As a effectiveness criterion of trains’ breaking-up order operating costs of marshalling yard were used, including the costs associated with cars’ and locomotives’ dwell time on the station and its approaches, as well as costs associated with additional shunting work. With the help of simulation modeling the dependence was obtained, describing the impact of trains’ arrival forecasting error and processed car volumes on reducing operating costs of the marshalling yards through the trains’ breaking-up order control. The studies enable us to establish the requirements for the accuracy of information support of operational planning tasks, which is necessary to achieve the desired economic effect of the trains’ breaking-up order control.