TY JOUR TI Study of the dynamics of the hydraulic drive of the boom lifting mechanism of a forestry manipulator with a magnetic damping device KW manipulator KW hydraulic drive KW magnetic damping device KW boom lifting mechanism KW mathematical model KW loading and unloading operations KW boom lifting angle KW working fluid pressure KW magnetic piston stroke JO Forestry Engineering Journal AU Polumisko, A.A. AU Popikov, P.I. AU Kamalova, N.S. AU Evsikov, I.D. AU Putyatin, P.A. PY 2026 IS 16 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov