TY CONF TI COMBINED TRANSPORT UNMANNED AERIAL VEHICLE KW combined transport unmannedaerial vehicle KW ringframe KW lifting lines KW L-shapedthrust KW controlunit KW operator KW signal JO ACTUAL ISSUES OF AUTOMATION, ROBOTICS AND MANAGEMENT IN TECHNICAL, ORGANIZATIONAL, ECONOMIC SYSTEMS AU Afonichev, D.N. AU Vasil'ev, V.V. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov