novtexmechМехатроника, автоматизация, управлениеMekhatronika, Avtomatizatsiya, Upravlenie1684-64272619-1253Commercial Publisher «New Technologies»10.17587/mau.21.544-552novtexmech-879Research ArticleДИНАМИКА, БАЛЛИСТИКА И УПРАВЛЕНИЕ ДВИЖЕНИЕМ ЛЕТАТЕЛЬНЫХ АППАРАТОВDYNAMICS, BALLISTICS AND CONTROL OF AIRCRAFTМетодика оценки влияния пропускной способности каналов связи на эффективность функционирования группировки спутниковMethodology for Evaluating the Impact of Communication Channel Throughput on the Efficiency of Satellite ConstellationКарсаевО. В.KarsaevO. V.

Кандидат технических наук

Karsaev Oleg V., Senior Researcher

St. Petersburg, 199178

 

karsaev@ips-logistic.comСанкт-Петербургский институт информатики и автоматизации Российской академии наукРоссияSt. Petersburg Institute for Informatics and Automation of the Russian Academy of SciencesRussian Federation202007092020219544552Copyright © Commercial Publisher «New Technologies», 20202020Commercial Publisher «New Technologies»Commercial Publisher «New Technologies»https://mech.novtex.ru/jour/about/submissions#copyrightNoticehttps://mech.novtex.ru/jour/article/view/879

Использование низкоорбитальных группировок малых или сверхмалых спутников для решения задач дистанционного зондирования Земли представляется перспективным направлением развития космической деятельности. Реализация такой перспективы требует изучения широкого круга новых задач, одной из которых является разработка систем управления такими группировками. Принципиально новым аспектом в содержании этой задачи являются возможности использования связи между спутниками и сети связи космической системы в целом. При этом выбор подхода к разработке системы управления зависит от того, в каком режиме может происходить информационный обмен — в режиме реального времени или с временными задержками. В статье рассматриваются различные варианты орбитального построения группировок спутников, предопределяющие режимы информационного обмена. Объектом исследований является космическая система, в которой информационный обмен может происходить с временными задержками. Задачей исследований является разработка методики для оценки влияния пропускной способности сети связи на эффективность функционирования космической системы. Показателями эффективности являются оперативность выполнения заявок и производительность космической системы — объем данных, доставляемый группировкой спутников на Землю в течение определенного периода времени. Основой методики является имитационная модель, в которой моделируется функционирование спутников и объектов наземной инфраструктуры, использование разработанного прототипа системы управления и соответствующий информационный обмен в сети связи.

The use of low-orbit constellation of small or super-small satellites for solving problems of remote sensing of the Earth is a promising direction for the development of space activities. The implementation of this perspective requires the study of a wide range of fundamentally new tasks, one of which is the development of control systems for such constellations. A fundamentally new aspect in the content of this task is the possibility of using communication between satellites and the communication network of the space system as a whole. At the same time, the choice of approach to the development of the control system depends on the mode in which information exchange can take place, in real time or with time delays. The article discusses various options for the orbital construction of satellite groupings that determine the modes of information exchange. The object of research is a space system in which information exchange can occur with time delays. The aim of the research is to develop a methodology for assessing the impact of the communication network bandwidth on the efficiency of the space system. Efficiency indicators are the time of request execution and the performance of the space system — the data volumedelivered by a satellite constellation to the Earth over a certain period. The basis of the methodology is a simulation model that simulates the operation of satellites and ground infrastructure objects, the use of the developed prototype of the control system and the corresponding information exchange in the communication network.

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The authors declare that there are no conflicts of interest present.