DocumentCode
313085
Title
Analysis, detection and estimation of soft failures for strapdown inertial navigation system
Author
Qin, Z.X. ; Zhang, H.Y. ; Cheng, H.L.
Author_Institution
Beijing Univ. of Aeronaut. & Astronaut., China
Volume
3
fYear
1997
fDate
4-6 Jun 1997
Firstpage
1375
Abstract
This paper studies some typical soft failures patterns in strapdown inertial navigation system (SINS). The soft failure models and their effect on system performance are presented. Also, a detection and estimation method is proposed based on the parity equation and weighted recursive least square estimation algorithm. The proposed method is illustrated by a application example of re-entry spacecraft
Keywords
aerospace control; failure analysis; inertial navigation; least squares approximations; recursive estimation; redundancy; space vehicles; failure detection; flight dynamics; least square estimation; parity equation; recursive estimation; redundancy; reentry spacecraft; soft failures; strapdown inertial navigation; Equations; Failure analysis; Inertial navigation; Least squares approximation; Noise measurement; Silicon compounds; Stochastic resonance; Temperature sensors; Time measurement; Working environment noise;
fLanguage
English
Publisher
ieee
Conference_Titel
American Control Conference, 1997. Proceedings of the 1997
Conference_Location
Albuquerque, NM
ISSN
0743-1619
Print_ISBN
0-7803-3832-4
Type
conf
DOI
10.1109/ACC.1997.610649
Filename
610649
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