Abstract
The increase in the share of electric transport in mining and municipal enterprises in the short term may lead to changes in the structure of the transport fleet of enterprises and can affect the technology of work, in particular, surface mining operations. Changes in technology relate to the need for charging batteries, as well as the appropriate economic and technological planning. Having implemented the combinatorial representation and using the chain diagrams, a new method has been developed for determining the optimal plan of the vehicles flow distribution at the charging station of industrial enterprises, which provides the greatest enterprise profit. The developed mathematical model of vehicle flow at the charging station is compiled taking into account the objective constraints related to the cyclicality of the station loading capacity. The optimal plan for the vehicles flow distribution at the charging station is, based on geometric representations, as the greatest distance from the beginning of the reference to the plane (hyperplane), which passes through the vertex of the polyhedron of the area of admissible solutions and is oriented by the gradient of the target function (enterprise profit). The task becomes urgent in the light of the electrification of industrial transport and the improvement of batteries for them.
Highlights
The share of mineral deposits open mining reaches 85%, and this method facilitates the use of powerful and high-performance equipment, which provides low cost production
The increase of electric transport in mining and municipal enterprises in the short term may lead to changes in the structure of the transport fleet of enterprises and can affect the technology of work, in particular open mines
The tendency to electrify the industrial transport of mining enterprises creates conditions for the development of a mathematical apparatus to determine the changes in the optimal plan for the traffic flows distribution and profits associated with structural transformations of production capacity, including labor resources, consumables, equipment
Summary
The share of mineral deposits open mining reaches 85%, and this method facilitates the use of powerful and high-performance equipment, which provides low cost production. Proceeding from the development prospects and hypothetical presence in the park of mining enterprises different types of transport at the transition period, authors will try to create a mathematical apparatus for determining the optimal plan for the vehicles distribution with structural transformations of the production capacity at the charging station, including labor resources, consumables, equipment and corresponding adjustment of its mathematical model. These trends and prospects for rechargeable electric vehicles can reduce greenhouse gas emissions if they are powered by renewable energy [2]. In order to facilitate the electric transport dissemination, both industrial (including mining enterprises [10]) and utility, this paper proposes a new method for establishing the optimal location of charging stations based on a distribution plan for vehicles at a charging station
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