MODELING OF FREIGHT ROAD TRANSPORT ON THE BASIS OF REVERSE LOGISTICS

Abstract

The purpose of the study is to analyze the processes that arise during the processing of agricultural waste and to search for optimal routes for the delivery of secondary raw materials to processing sites. The object of the study is sources of waste generation, storage terminals, processing enterprises and transport links between them; The subject of the study is the technology of waste transportation and processing of secondary raw materials. The research methodology is based on the use of reverse logistics and vector optimization. The findings of the study are an analytical evaluation of the latest known methods and techniques for handling waste, which indicates the lack of an integrated approach to improving the technology of recycling secondary raw materials. The proposed technology takes into account the mutual dependence of such optimization criteria as time and cost of transportation, as well as their dependence on the structure and volume of waste and processed products, transportation distance. Formalization of the technological process of waste processing was carried out as follows. The following elements were identified: agricultural enterprises (sources of waste generation); collection and recycling of waste through the formation of technical oil; storage of oil at terminals; re-processing; production of drying oil at paint and varnish enterprises; transport support at all stages. Appropriate technological processes are described and certain restrictions are imposed. The state graph of the waste processing system is composed and mathematical modeling is performed. The quantitative estimation of the cost price of separate elements of model on an example of the certain area of territory of Ukraine is executed. As a result, a diagram of the distribution of prime cost by type of activity with agricultural waste was constructed, the analysis of which can be useful for finding possible solutions to reduce costs. The originality novelty lies in the theoretical justification of the processing of secondary raw materials. At the same time, the problem of determining the factors influencing the cost and costs for the transportation of waste is formalized and solved using the methods of reverse logistics and vector optimization. The developed mathematical model for studying the processes of handling secondary raw materials allows us to solve problems of rational use of available material and financial resources with a minimum cost of transportation. The practical value of the work lies in the fact that the proposed mathematical model of the processes of handling secondary raw materials makes it possible to determine the factors and causes that affect the cost of all its elements and reduce the corresponding costs.