期刊
出版社
ASME
DOI: 10.1115/1.4026515
关键词
attitude control system; fault diagnosis; fault estimation; orthogonal matching pursuit (OMP); overactuated system
资金
- National Natural Science Foundation of China [61273162, 61201307]
- Fundamental Research Funds for the Central Universities [HIT. NSRIF. 2013132]
This paper proposes a novel fault diagnosis approach for the satellite attitude control system with flywheel faults. The key contributions include fault estimation by sparse approximation algorithm and diagnosis of multiple faults. In this paper, a Taylor series expansion is used to derive a fault estimation representation. Based on the sparse property of the faults, fault estimation is formulated as a sparse approximation problem and solved using the orthogonal matching pursuit (OMP) algorithm. Simulation results demonstrate the effectiveness of the proposed method.
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