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: 119
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: 2026
: .., .., .., - // . - 2026. - . 119. - .160-190.
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(.): launch vehicle, stabilization system, fuel oscillations, wind gusts, H_inf-control theory, linear matrix inequalities
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(.): Prospective ways of improving on-board control algorithms of launch vehicles (LV) are considered, allowing the elimination of in-tank damping devices. A modern and effective approach to control system synthesis is the H_inf method, developed for optimal suppression of external disturbances. The proposed H_inf control method allows one to synthesize a control system that uses only the motion parameters available for measurement. The H_inf-control method belongs to the class of combined methods, since its theoretical foundations come from control theory analytical methods, and convex optimization methods are used to find the solution. The practical significance of the research results lies in the LV dry mass reduction, as well cost and time of their production reduction, productivity increased. The scientific novelty of the topic lies in the adaptation and application control theory promising methods, which make it possible to determine the structure and calculate the parameters of the LV stabilization system. Due to the more different form of the control system amplitude-phase frequency characteristic, ensured effective suppression of resonance phenomena caused by wind gusts, the body elastic vibrations and liquid fuel components oscillations in the tanks.
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