For various missions that are currently being designed and planned at the present time,it is necessary to ensure reliably the stage of landing on the surface of the planet.Among the currently proposed devices that help to perform the landing of the landing vehicle,a separate interest is inflatable devices.Using inflatable device instead of rigid device has advantages,such as a small mass and a great compacity.Studies have focused on the angular motion of landing vehicles entering the atmosphere,with allowance of small asymmetries.During the descent in the atmosphere,the landing vehicle and its braking device are subjects to important perturbations,due to external environment.Thus,the inflatable device can be deformed,due to its flexibility,and the movement can become unstable.In the paper is analyzes the movement of such a landing vehicle,which uses such special devices made of inflatable devices.The paper is devoted to the analysis of movement at the final stage of landing-approaching the surface,touching the surface and further interaction with the surface.As a result,it is concluded that the most unfavorable approach to the surface,when the resulting overload is of the greatest importance.
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