Modeling of maintenance systems for railway infrastructure facilities based on the theory of mass service
https://doi.org/10.21780/2223-9731-2018-77-3-165-171
Abstract
The article is substantiated the necessity of intro-and dynamics of change are proposed to be implemented within ducing the mechanism of predictable maintenance of railway trans-the framework of a specially created decision support system. It port infrastructure into the practice of the transportation process. was also proposed to use the mathematical apparatus of queuing The functions of object monitoring, diagnostics of their condition theory to implement the tasks of analyzing and synthesizing the structure and functions of the system for organizing maintenance of transport infrastructure facilities. Within the framework of this tool, a mathematical model for the synthesis of maintenance systems for railway infrastructure facilities was constructed and analyzed, and a network of queuing systems describing monitoring, diagnostics and maintenance of these facilities was considered. The analysis technique of the infrastructure objects includes the procedure for structuring the railway transport object in the form of a combination of queuing systems and queuing networks, analysis of their parameters, analysis and optimization of information flows in queuing networks. The features of the application of the developed model for the solution of three practical problems are analyzed: technical and commercial inspection of trains at the sorting station reception, identification and correction of wheelset defects on thermal anomalies, development of a system for diagnosing the negative dynamics of freight cars. A model is described that allows calculating the main parameters (service intensity, service time and location in network) for a network that includes the source of applications (the transportation process), the diagnostic subsystems (as part of the decision support system - DSS) and the maintenance depoes.
About the Authors
A. N. Shabel’Nikov
Joint Stock Company “Research and Design Institute of Information Technology, Signalling and Telecommunication in Railway Transport” (JSC "NIIAS", Rostov branch)
Russian Federation
Russian Federation
Yu. V. Shapovalova
Federal State Budget Educational Institution of Higher Education “Rostov State Transport University” (FGBOU VO RGUPS)
Russian Federation
Russian Federation
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Review
For citations:
Shabel’Nikov A.N., Shapovalova Yu.V. Modeling of maintenance systems for railway infrastructure facilities based on the theory of mass service. RUSSIAN RAILWAY SCIENCE JOURNAL. 2018;77(3):165-171. (In Russ.) https://doi.org/10.21780/2223-9731-2018-77-3-165-171
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