Open AccessMethodology for managing the flows of target information in the remote sensing space system Part 2. Interrelated mathematical models systems formation
Author(s) -
А. В. Старков,
Старков Александр Владимирович,
A. A. Emelyanov,
Емельянов Андрей Александрович,
Lyubov A. Grishantseva,
Гришанцева Любовь Александровна,
Ksenia I. Zhukovskaya,
Жуковская Ксения Ивановна,
Alexander A. Morozov,
Морозов Александр Андреевич,
Alexey A. Trishin,
Тришин Алексей Александрович
Publication year - 2021
Publication title -
vestnik rossijskogo universiteta družby narodov. seriâ inženernye issledovaniâ
Language(s) - English
Resource type - Journals
eISSN - 2312-8151
pISSN - 2312-8143
DOI - 10.22363/2312-8143-2021-22-2-148-161
Subject(s) - spacecraft , computer science , representation (politics) , process (computing) , orbit (dynamics) , space (punctuation) , real time computing , orbit determination , mathematical model , remote sensing , aerospace engineering , mathematics , engineering , global positioning system , geology , telecommunications , statistics , politics , political science , law , operating system
In the second part of the series of articles, the issues of the systemic organization of mathematical models for solving the problem of controlling the flows of target information in the Earth remote sensing space system are considered. A description of the interrelated mathematical models of the orbital constellation as components of the information system, the main task of which is to survey ground objects and the formation of the initial volume of information for its further processing, is presented. To calculate the time of servicing the request by the space segment, the following methods of formation are proposed: a model of the evolution of the Earth remote sensing spacecraft orbit; model for forecasting possible spacecraft correction intervals to maintain nominal orbital parameters; model for forecasting possible time intervals for on / off cycles of observation equipment; model for forecasting possible time intervals for dumping the received information to the information reception points. When calculating the cost of servicing a single request from the orbital complex, both the cost of servicing one spacecraft per unit of time and the cost of processing a single request from the ground complex were taken into account. In conclusion, a generalized form of representation of the target information flow model of the Earth remote sensing space system is proposed as an interconnected sequence of functions for changing the amount of information when an appropriate processing process (traffic change functions) is applied to it. General approaches to solving the optimization problem are considered.