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Orbital Motion and Attitude Control of the Spectrum–Röntgen–Gamma Space Observatoryстатья
Информация о цитировании статьи получена из
Scopus,
Web of Science
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 4 июня 2021 г.
- Авторы: Eismont N.A., Kovalenko I.D., Nazarov V.N., Nazirov R.R., Korotkov F.V., Pogodin A.V., Mzhelskii P.V., Mikhailov E.A., Ditrikh A.V., Tregubov A.I.
- Журнал: Astronomy Letters
- Том: 46
- Номер: 4
- Год издания: 2020
- Издательство: Maik Nauka/Interperiodica Publishing
- Местоположение издательства: Russian Federation
- Первая страница: 263
- Последняя страница: 274
- DOI: 10.1134/s1063773720040040
- Аннотация: —The Spectrum–Rontgen ¨ –Gamma (SRG) space observatory was launched from Baikonur onJuly 13, 2019, and is currently on a flight trajectory in the vicinity of the collinear Sun–Earth librationpoint L2. The planned service life of the observatory is 7 years and includes an all-sky survey and in-depthstudies of individual objects in the X-ray range 0.3–15 keV. We consider the technical limitations of themission pertaining to the launch scenario, the spacecraft design and system characteristics, including thedata and command transmission, orbital motion and attitude control systems, and the peculiarities of theground segment used to accomplish these tasks. The flywheel offloading strategy for the attitude controlsystem is analyzed within the mentioned limitations. The goal of this analysis is to determine an optimalbalance between the flywheel offloading operations while controlling the attitude of the observatory, theorbital maneuvers to keep it on a given trajectory, propellant consumption, and the requirements from thescientific measurements. The proposed method allows the total propellant consumption to be minimized bycoordinated control of the operation of the system of attitude control rocket engines while simultaneouslyusing them to maintain the specified orbital parameters.
- Добавил в систему: Мжельский Павел Владимирович