TY CONF TI IMPROVED TELESCOPIC RACK UNMANNED AERIAL VEHICLE – AMPHIBIOUS KW unmanned aerial vehicle – amphibious KW telescopic rod KW section KW servo motor KW propeller JO INNOVATIVE APPROACHES TO AUTOMATION, ROBOTIZATION AND MANAGEMENT IN TECHNICAL, ORGANIZATIONAL, ECONOMIC SYSTEMS AU Vasil'ev, V.V. AU Afonichev, D.N. AU Aksenov, I.I. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov