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Information × Registration Number 0216U003329, 0115U003435 , R & D reports Title Methods and algorithms for small spacecraft precise robust failover control and their realization on problem-oriented processors. Stage 3 "Development of methods for discovering failures of spacecraft attitude system elements and their realization on problem-oriented processors" popup.stage_title Head Kuntsevich Vsevolod Mykhailovich, Registration Date 26-01-2016 Organization Space Research Institute of National Academy of Sciences of Ukraine and State Space Agency of Ukraine popup.description2 The research purpose: The development of mathematical methods for fault-tolerant high-precision attitude control of small satellites (SS) using a star trackes (ST) and redundant systems of electrically driven flywheels (EDFW). Development of software for the problem-based processor, providing a robust implementation of these methods. The obtained results: High-precision estimation algorithms of SS attitude with the use of cluster (two or more) of relatively cheap, miniature and low accurate STs were developed. The cluster remains operational even if single ST is serviceable (of course at a lower accuracy of the attitude estimates). The algorithms of diagnosing failures in the SS attitude control systems with redundant systems of EDFWs and the algorithms of related control system reconfiguration were developed. The advantages of the proposed algorithms are computational simplicity and the fact that in the diagnosing process the current SS attitude is not broken. The breadboard software program allowing to check functioning of the problem-based processor, which implements the attitude estimation and control, with the possibility to improve its capacity in case of failures, was developed. Product Description popup.authors Волосов Віктор Вікторович Губарев Вячеслав Федорович Кунцевич Всеволод Михайлович Лісовий О.М. Мельничук Сергій Вікторович Опанасенко В.М. Палагін О.В. Сімаков В.О. Сальніков Микола Миколайович Семотюк М.В. Царук Ніна Петрівна Шевченко Володимир Миколайович popup.nrat_date 2020-04-02 Close