TY JOUR TI Study of a tethered platform stabilization problem in the vertical plane KW tethered platform KW copter KW stabilization KW mathematical model KW Kalman filter JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Yacun, S.F. AU Bezmen, P.A. AU Emelyanova, O.V. PY 2025 IS 10 PB Belgorod State Technological University named after V.G. Shukhov