Model for the formation of timber industry supply chains of raw materials to the warehouse, taking into account the features

The formation of raw material supply chains is very closely related to the problems of production in a wood processing enterprise. This article discusses a timber industry enterprise without its own sources of raw materials represented by plots, which aims to find the optimal solution at the end of the planning horizon, based on data on already completed transactions. As a source of raw materials, a commodity exchange is considered, where lots appear every day in different regions of the miners in a random order. The paper presents a mathematical model that makes it possible to evaluate the optimal trajectory of profit values over the entire planning horizon and differs in that it allows taking into account the share of the useful volume of raw materials that can be used in the production of OSB boards, the lot time in transit under conditions of uncertainty. The model was tested on the data of the Commodity and Raw Materials Exchange of Russia and one of the enterprises of the Primorsky Territory. The analysis of received solutions is carried out.