TY CONF TI DIGITAL TWINS IN INDUSTRY: ARCHITECTURE, APPLICATION AND ECONOMIC EFFICIENCY KW digital twins KW Industry 4.0 KW predictive maintenance KW IoT KW industrial analytics KW digital transformation KW virtual modeling KW cyber-physical systems JO PROBLEMS AND PROSPECTS IN SYSTEMS AND PROCESS MODELING AU Tyunina, A.M. AU Kukueva, D.S. AU Kondusova, V.V. AU Zolnikov, K.V. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov