Sensor fault-tolerant observer applied in satellite attitude control
Data(s) |
01/02/2012
|
---|---|
Resumo |
The observing failure and feedback instability might happen when the partial sensors of a satellite attitude control system (SACS) go wrong. A fault diagnosis and isolation (FDI) method based on a fault observer is introduced to detect and isolate the fault sensor at first. Based on the FDI result, the object system state-space equation is transformed and divided into a corresponsive triangular canonical form to decouple the normal subsystem from the fault subsystem. And then the KX fault-tolerant observers of the system in different modes are designed and embedded into online monitoring. The outputs of all KX fault-tolerant observers are selected by the control switch process. That can make sense that the SACS is part-observed and in stable when the partial sensors break down. Simulation results demonstrate the effectiveness and superiority of the proposed method. |
Formato |
application/pdf |
Identificador | |
Publicador |
Journal of Systems Engineering and Electronics |
Relação |
http://eprints.qut.edu.au/49608/1/Acceptedversion.pdf http://www.jseepub.com/EN/abstract/abstract10528.shtml Wei, Jiaolong, Cen, Zhaohui, & Jiang, Rui (2012) Sensor fault-tolerant observer applied in satellite attitude control. Journal of Systems Engineering and Electronics, 23(1), pp. 99-107. |
Direitos |
Copyright 2012 Journal of Systems Engineering and Electronics |
Fonte |
School of Civil Engineering & Built Environment; Science & Engineering Faculty; Smart Transport Research Centre |
Palavras-Chave | #090108 Satellite Space Vehicle and Missile Design and Testing #triangular canonical form #KX observer #satellite attitude control #integrity in closed-loop |
Tipo |
Journal Article |