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Coordinate and Time-frequency Support of a Spacecraft Flight by Means of Autonomic Navigation Using Sigma-point Kalman Filter Algorithm

Authors: Filimonov, Vladimir A.; Shavrin, Vyacheslav V.; Tislenkoz, Vladimir I.; Kravets, Aleksey P.; Lebedev, Vitaliy Yu.; Shkolniy, Vadim N.;

Coordinate and Time-frequency Support of a Spacecraft Flight by Means of Autonomic Navigation Using Sigma-point Kalman Filter Algorithm

Abstract

В работе выполнено исследование среднеквадратичной погрешности оценок текущих координат и скорости космического аппарата (КА), смещения шкалы времени и частоты опорного генерато- ра бортового приемника КА, который оснащен системой автономной навигации, использующей сигналы глобальных навигационных систем ГЛОНАСС или GPS. Оценки формируются в нави- гационном вычислителе на основе обработки наблюдений псевдодальностей и псевдоскоростей, формируемых навигационным приемником в режиме слежения за временными задержками на- вигационных сигналов и их частотами Доплера при наличии шума приемника. Навигационный вычислитель реализует сигма-точечный алгоритм фильтра Калмана. Анализ точности оценок выполнен численным методом Монте-Карло при движении КА на высокоэллиптической орбите

There are investigated errors of a spacecraft current coordinate and velocity estimates, time-frequency scale bias of the board receiver reference oscillator. The receiver is a component of the autonomic nav- igation system using signals of global navigation systems GLONASS or GPS. Estimates are formed by the navigation calculator on the bases of pseudo range and pseudo velocity measurements taken in the regime of navigation signals delay and Doppler frequencies tracking under the condition of the receiver noise. The calculator utilizes sigma-point Kalman filter. Analysis of estimations accuracy is done by the Monte-Carlo method while spacecraft moves along a high elliptic orbit

Keywords

оценка координат, сигма-точечный фильтр Калмана, spacecraft, on board time scale bias, statistic simulation, смещение бортовой шкалы времени, sigma-point Kalman filter, autonomic navigation system, автономная система навигации, coordinate estimation, космический аппарат, статистическое моделирование.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
gold