Application of Adaptive Kalman Filter in Geomagnetic Attitude Detection System

doi:10.3969/j.issn.1000-1093.2013.09.016

Abstract

Abstract:

The measuring precision of geomagnetic attitude detection system is affected by a variety of noise sources. Firstly, an extended Kalman filter model is established by using a simplified ballistic equation of the projectile's passive period, and then the adaptive filtering process is realized through adaptive estimation of the system noise, measurement noise and steering gear noise. Finally, the adaptive filtering method is simulated. The results show that the adaptive Kalman filter algorithm has strong feasibility, and applies to the geomagnetic attitude detection system.

Key words: ordnance science and technology, geomagnetism, attitude detection, Kalman filtering, adaptive filtering

CLC Number:

TJ430. 1

LONG Li, ZHANG He, TANG Yu-fa, XU Guo-tai. Application of Adaptive Kalman Filter in Geomagnetic Attitude Detection System[J]. Acta Armamentarii, 2013, 34(9): 1155-1160.

References

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