The article presents a methodology for determining quantitative indicators of the quality of documents of station commercial reporting SCR. The attributes of the document quality components are described. The relations between the documents are determined, while the direct and indirect relations for subsequent documents are revealed. To quantify the quality of the documents SCR proposed methodology consists of the following stages: determination of quality characteristics of documents SCR; determine the methods and procedures for measuring and evaluating the selected quality characteristics; quantitative assessment of quality characteristics using the proposed methods. To substantiate the adequacy of the research results based on the theory of a dynamic probabilistic loaded graph, a model of a dynamic probabilistic technological process is developed.
The hypothesis of the study consists of the detailed consideration of the process of accumulation of wagons, taking into account the arrival of individual groups of wagons, determination of options for freight trains with a fixed train schedule and substantiation of analytical dependencies that determine the cost of wagon-hours for accumulating trains and obtaining new scientific results on this basis. Their practical use will make it possible to more accurately and reasonably normalize the idle time of cars under accumulation, as well as to clarify the methodology for calculating the train formation plan. The research methodology is based on existing methods and methods of forming freight trains for a rational way of implementing the train schedule. Results of the study: the methods of standardizing the idle time of cars under accumulation were stated, the regulations of idleness of cars at the sorting yard were clarified, and options for optimizing the plan for the formation of trains were proposed.
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