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An Extended Scalar Adaptive Filter for Mitigating Sudden Abnormal Signals of Guided Missile
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Type
Academic journal
Author
Jun Kyu Lim (서울대학교) Chan Gook Park (서울대학교)
Journal
The Korean Society for Aeronautical & Space Sciences International Journal of Aeronautical and Space Sciences Vol.12 No.1 KCI Accredited Journals SCIE
Published
2011.3
Pages
37 - 42 (6page)

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An Extended Scalar Adaptive Filter for Mitigating Sudden Abnormal Signals of Guided Missile
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Abstract· Keywords

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An extended scalar adaptive filter for guided missiles using a global positioning system receiver is presented. A conventional scalar adaptive filter is adequate filter for eliminating sudden abnormal jumping measurements. However, if missile or vehicle velocities have variation, the conventional filter cannot eliminate abnormal measurements. The proposed filter utilizes an acceleration term, which is an improvement not used in previous conventional scalar adaptive filters. The proposed filter continuously estimates noise measurement variance, velocity error variance and acceleration error variance. For estimating the three variances, an innovation method was used in combination with the least square method for the three variances. Results from the simulations indicated that the proposed filter exhibited better position accuracy than the conventional scalar adaptive filter.
#Scalar filter #Adaptive method #Global positioning system

Contents

Abstract
1. Introduction
2. Scalar Adaptive Filter
3. Extended Scalar Adaptive Filter
4. Simulation Result
5. Conclusions
Acknowledgements
References

References (9)

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Aggarwal, C. C / 2001 / Outlier detection for high dimensional data / Proceedings of the ACM SIGMOD International Conference on Management of Data, Santa Barbara, CA :37~46 google schola Brown, R. G / 1997 / Introduction to Random Signals and Applied Kalman Filtering: with MATLAB Exercises and Solutions. 3rd ed / Wiley google schola Cho, Y. / 2002 / Scalar adaptive Kalman filtering for stellar inertial attitude determination / KSAS International Journal 3:88~94 google schola Hautamaki, V. / 2004 / Outlier detection using k-nearest neighbour graph / Proceedings of the 17th International Conference on Pattern Recognition, Cambridge, UK :430~433 google schola Lee, T. / 2001 / A study on the standalone GPS jump error smoothing scheme / Journal of Control, Automation and Systems Engineering 7:1015~1023 google schola

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UCI(KEPA) : I410-ECN-0101-2012-558-004477852