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Исследование точностных характеристик комплекса алгоритмов…
Инженерный журнал: наука и инновации
# 3
2016 11
Investigating precision capabilities of a system of termi-
nal guidance algorithms for prospective manned spacecraft
during final descent phase in the Earth’s atmosphere
© S.I. Kudryavtsev
Federal State Unitary Enterprise TsNIIMash, Korolev, 141070, Russia
The article deals with the problem of ensuring high-precision landing during gliding
reentry of a prospective manned spacecraft reentry capsule. The importance of this prob-
lem stems from the necessity of transferring landing sites from the territory of Kazakh-
stan to the territory of Russia. To solve this problem, we intend to use a combined reentry
guidance system performing precise terminal guidance based on navigation data from a
satellite system during the final phase of capsule descent. A brief description of the sys-
tem of terminal guidance algorithms designed is given. Issues of research methodology
for investigations performed using a modified software package for reentry flight dynam-
ics support of the “Soyuz TMA-M”-type spacecraft are considered. Results of statistical
simulation of a combined guidance system in operation, including simulation of both au-
tonomous reentry control before radio reacquisition and final terminal guidance, are
presented. The study shows that the error of delivering the capsule to the target point
does not exceed the desired value of 1 km.
Keywords:
reentry capsule, precision landing, combined guidance system, system of
terminal guidance algorithms
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