Parameter Estimation-Based Fault Detection, Isolation and Recovery for Nonlinear Satellite Models

This brief is concerned with the problem of nonlinear fault detection, isolation, and recovery (FDIR) for the satellite's orbital and attitude models through construction of residual generators that are based on least-squares parameter estimation techniques. By viewing system anomalies caused b...

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Bibliographic Details
Published in:IEEE transactions on control systems technology 2008-07, Vol.16 (4), p.799-808
Main Authors: Jiang, T., Khorasani, K., Tafazoli, S.
Format: Article
Language:English
Subjects:
Actuators
and recovery (FDIR)
Applied sciences
Communication system control
Computer science
control theory
systems
Control systems
Control theory. Systems
Exact sciences and technology
Fault detection
Fault diagnosis
Fault tolerant systems
Faults
Generators
isolation
Logic
Lyapunov stability
Mathematical models
Modelling and identification
nonlinear systems
Nonlinearity
Parameter estimation
Probes
Recovery
robustness
Satellite ground stations
Satellites
satellites orbital and attitude models
Space vehicles
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Summary:This brief is concerned with the problem of nonlinear fault detection, isolation, and recovery (FDIR) for the satellite's orbital and attitude models through construction of residual generators that are based on least-squares parameter estimation techniques. By viewing system anomalies caused by faults and/or malfunctions as changes of certain parameters in the system, our goal is to detect, isolate, and recover from faults through estimating these parameters and adaptively redesigning and reconfiguring the controllers. The convergence and robustness properties of the residual generators are analytically and experimentally investigated. Furthermore, the corresponding decision logic and thresholds for fault diagnosis are properly selected and specified. Numerical simulation results for the proposed technique as applied to nonlinear satellite models are presented to demonstrate its performance capabilities.
ISSN:1063-6536
1558-0865
DOI:10.1109/TCST.2007.906317