Abstract
The process of managing logistics flows is one of the main factors influencing the increase of economic efficiency of production and sales. The development of logistics information systems is a broad niche in the IT field. Application of logistic information systems in the process of management allows you to save money both on wages by the number of employees, and to accelerate the management process in a time interval. Ukraine is the leading country for grain exports. Issues of grain transportation management are considered as an alternative to manual control. The article will discuss issues related to the application of the designed information system "Logistics transportation" to develop an optimal plan for transportation of grain, which clarifies existing models of logistics flows management. To solve the problem, the authors analyzed the existing methods of managing logistic flows: direct methods (northwest method, least cost method, potential method) and methods based on additional calculations. A mathematical model of the problem of logistic flow management is constructed. The initiation solution is executed on the basis of the potentials method with additional conditions implemented in the network representation. The advantage of the used method is that the resulting reference plan is close to optimal computing. Although direct methods get the initial reference plan very quickly, but it is far from optimal. The clarification of the solution of the problem occurs through a block of logical rules. Practical verification of data is carried out on the example of Agrarian firm "Zernotreyd". During the verification, it was found that the chosen management method leads to an increase in efficiency by 4 %.
Highlights
Agro-logistics is an actual topic for research, as Ukraine is among the top ten largest grain producers in the world and among the top three grain exporters [1]
Let’s prepare a plan for grain transportation, which is located in 7 farms to 6 grain storage facilities of the enterprise with a partial permanent outflow of grain from 6 grain storage facilities to the Odessa port plant (OPP)
( ) where a1...an is a farm with a volume of grown grain; b1...bm is a grain storage facility with a grain content; f xij is the value of additional charging function according to expert data; ck – the mn end point of transportation; ∑∑f(xij) – the total weight of the values of additional charging funci=1 j=1 tion according to expert data; R(z) – set of recommendations for logistics flow plan
Summary
Agro-logistics is an actual topic for research, as Ukraine is among the top ten largest grain producers in the world and among the top three grain exporters [1]. The creation of automated information system “Logistics transportation” will help solve the problem of logistics, namely, to find the optimal way of transportation of the product, which will lead to overcoming the barrier for the growth of grain exports. To achieve this goal it is necessary to: – construct a mathematical model of the problem of managing logistic flows; – describe the program implementation of the Automated Information System “Logistics Transportation”, which implements the search for an optimal solution; – verify the data. What is the best way to solve the problem of managing logistics flows is unknown [14]
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