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Применение измерений параметров градиента магнитного поля Земли в задаче навигации летательного аппарата

Применение измерений параметров градиента магнитного поля Земли в задаче навигации летательного аппарата

Abstract

В статье приведен анализ информативности параметров градиента магнитного поля Земли для решения задачи навигации с применением корреляционно-экстремального метода. При­водятся алгоритмы решения соответствующей на­ви­га­ци­онной задачи в варианте комплексирования магнитоградиентной корреляционно-экстремальной и инерциальной навигационных систем. Комплексирование осуществляется методом реше­ния задачи коррекции в инерциальной навигации, которая приводится к стандартной форме линейной стохастической задачи оптимального оценивания. Предлагается решение методами калмановской фильтрации и сглаживания.

Information capacity of the Earth’s magnetic field gradient parameters is analyzed in the context of solving the navigation problem with the correlation-extreme method. The navigation algorithms are suggested for the design with coupling of a magnetic-gradiometry-based correlation-extremal system and an inertial navigation system. Integration is supported by the solution of the inertial navigation correction problem, which is reduced to the standard form of a linear stochastic optimal estimation problem. This problem is solved with Kalman filtering and smoothing methods.

Keywords

ИНЕРЦИАЛЬНАЯ НАВИГАЦИОННАЯ СИСТЕМА, КОРРЕЛЯЦИОННО-ЭКСТРЕМАЛЬНАЯ НАВИГАЦИОННАЯ СИСТЕМА, ГРАДИЕНТ МАГНИТНОГО ПОЛЯ ЗЕМЛИ, ФИЛЬТР КАЛМАНА, CORRELATION-EXTREMAL NAVI­GATION SYSTEM, EARTH'S MAGNETIC FIELD GRADIENT

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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!
0
Average
Average
Average
gold