TY CONF TI MATHEMATICAL MODEL OF THE SKIDDER OSCILLATION THE UNIT WITH A RECOVERY SYSTEM IN THE LONGITUDINAL-VERTICAL PLANE KW non-choker logging KW recuperative system KW hydraulic system KW hydro-accumulator JO MODERN FORESTRY COMPLEX OF THE COUNTRY: INNOVATIVE DEVELOPMENTS AND RESEARCH AU Derepasko, I.V. AU Chetverikova, I.V. AU Bolgov, A.V. PY 2024 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov