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Instruments and Systems: Monitoring, Control, and Diagnostics

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Methods of the state variables criterion of the degree of observability using of in the federative Kalman filter
A.V. PROLETARSKY, ZHANG LIFEI, M.S. SELEZNEVA, K.A. NEUSYPIN

Structural schemes for implementing the federative Kalman filter are considered. An increase in the accuracy of the Kalman filter is proposed to implemented with the help of a numerical criterion of the degree of observability of the evaluated process state variables. The schemes of the federated Kalman filter with feedback and without feedback are investigated. The criterion of the degree of observability is used to determine the correction coefficients at the stage of information merging in the. The efficiency of the developed modifications of the federative Kalman filter is demonstrated by the example of estimating the errors of the inertial navigation system of an aircraft.
Keywords: aircraft, correction of navigation systems, federative Kalman filter, degree of observability.


DOI: 10.25791/pribor.08.2018.132

Contacts: E-mail: m.s.selezneva@mail.ru

Pp. 09-18.

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