TY JOUR TI PROBLEM STATEMENT FOR MANAGING FUEL AND ENERGY COMPLEX FACILITIES AND ITS MATHEMATICAL DESCRIPTION KW fuel and energy complex KW automation KW equipment KW efficiency coefficient KW experiment planning KW management JO Automation and modeling in design and management AU Tugashova, L.G. AU Dmitrievsky, B.S. PY 2025 IS 2025 PB Bryansk State Technical University