The Analysis of Dynamics Nonrigid Parachute and Playload System

Aviation technics and technology


Churkin V. M.

Moscow Aviation Institute (National Research University), 4, Volokolamskoe shosse, Moscow, А-80, GSP-3, 125993, Russia



Consider the motion in the vertical plane Nonrigid Parachute and Playload System. In writing the equations of motion parachute connector and the load are modeled by rigid bodies connected by joints of an ideal. Compiled a simplified nonlinear equations of the perturbed motion of the system that take into account the nonlinear dependence of a normal component of aerodynamic force from the parachute canopy angle attack. The method describing function are expressions for the main parameters of the vibrational modes arising from the movement system.


parachute system, nonrigid playload; normal mean aerodynamic force sub-unit; describing function technique; dynamic stability; self-oscillation.

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