TY CONF TI MODELING OF WORKING PROCESSES OF A CHOKERLESS SKIDDING UNIT WITH A HYDRAULIC DRIVE FOR ENERGY RECOVERY KW skidding gripper KW sorting KW modeling KW compliance coefficient KW hydraulic recovery cylinder JO MODERN FORESTRY COMPLEX OF THE COUNTRY: INNOVATIVE DEVELOPMENTS AND PROGRESSIVE TECHNOLOGIES AU Derepasko, I.V. AU Popikov, P.I. AU Chetverikova, I.V. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov