Abstract

An errors of strapdown inertial navigation system (SINS) working in the attitude definition mode and intended for use in a structure of a magnetic measuring complex are considered. An algorithm and block diagram of the inertial- magnetic system on the basis of Kalman filtering method and the geomagnetic field components definition method are developed. Features of the measuring operational mode and algorithms of SINS working in a structure of a magnetic measuring complex are cited in this paper. A results of research and mathematical modeling both algorithms and errors of SINS are shown.

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