TY CONF TI MATHEMATICAL MODEL OF THE BOOM LIFTING MECHANISM OF A FORESTRY HYDROMANIPULATOR WITH A MAGNETIC DAMPING DEVICE KW magnetic damper KW hydraulic drive KW dynamic loads KW hydraulic manipulator KW mathematical model JO PHYSICAL BASIS OF SCIENCE-INTENSIVE TECHNOLOGIES IN THE MODERN WORLD AU Polumisko, A.A. AU Evsikov, I.D. AU Popikov, V.P. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov