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Fault accommodation for near space vehicle attitude dynamics via T-S fuzzy models

Gao, Zhifeng and Jiang, Bin and Shi, Peng and Xu, Yufei (2010) Fault accommodation for near space vehicle attitude dynamics via T-S fuzzy models. International Journal of Innovative Computing, Information and Control, 6 (11). pp. 4843-4856. ISSN 1349-4198

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Abstract

Based on both adaptive and sliding mode control techniques, this paper pro- poses an integrated approach to fault detection, estimation and fault-tolerant control for near space vehicle (NSV) attitude dynamics during re-entry phase. Firstly, the Takagi and Sugeno (T-S) fuzzy model is employed to approximate complex nonlinear NSV dy- namics with actuator faults. Then, an adaptive fault diagnostic observer is proposed for detecting and estimating the actuator faults. Using the on-line obtained fault informa- tion, the fault tolerant control scheme based on the sliding mode technique is developed to compensate for the effects of actuator fault by stabilizing the closed-loop control sys- tem. Finally, simulation results are given to show the effectiveness and potential of the proposed techniques when different actuator fault scenarios are tested.

Item Type: Article
Uncontrolled Keywords: ResPubID19916, adaptive diagnostic observer, near space vehicle (NSV), fault-tolerant control, sliding mode technique
Subjects: Faculty/School/Research Centre/Department > Institute for Logistics and Supply Chain Management (ILSCM)
FOR Classification > 0802 Computation Theory and Mathematics
SEO Classification > 970108 Expanding Knowledge in the Information and Computing Sciences
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Depositing User: VUIR
Date Deposited: 13 Dec 2011 04:22
Last Modified: 19 Dec 2011 03:27
URI: http://vuir.vu.edu.au/id/eprint/7432
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Citations in Scopus: 29 - View on Scopus

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