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Optimal fusion of asynchronous data from heterogeneous navigation sensors

Keywords:

A.V. Zhuravlev – Ph. D. (Eng.), Senior Research Scientist, Main Designer - Deputy General Director, JSC «SPE «PROTEK» (Voronezh) E-mail: protek@protek-vrn.ru V.M. Bezmaga – Ph. D. (Eng.), Senior Research Scientist, Leading Research Scientist, JSC «SPE «PROTEK» (Voronezh) E-mail: protek@protek-vrn.ru A.V. Smolin – Deputy Head of Department, JSC «SPE «PROTEK» (Voronezh) E-mail: smolinalexe@yandex.ru


The paper offers suggestions on how to reduce the onboard integrated navigation system positioning errors resulting from asynchronous acquisition of data from heterogeneous navigation sensors and a long period of time needed for navigation data output. It has been shown that the problem of reducing positioning errors caused by the forenamed reasons can be solved using the concept «several extrapolation cycles - correction» by connecting additional predictors between the output of each navigation sensor and as-sociated inputs of an optimal data fusion processor. These suggestions are general methodological in nature. They can be useful in the development and upgrade of on-board navigation systems.
References:

 

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