Active fault tolerant control design for reusable launch vehicle using adaptive sliding mode technique
Date
2012
Authors
Gao, Z.
Jiang, B.
Shi, P.
Qian, M.
Lin, J.
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Journal article
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Journal of the Franklin Institute, 2012; 349(4):1543-1560
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Zhifeng Gao, Bin Jiang, Peng Shi, Moshu Qian, Jinxing Lin
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Abstract
In this paper, the problem of active fault tolerant control for a reusable launch vehicle (RLV) with actuator fault using both adaptive and sliding mode techniques is investigated. Firstly, the kinematic equations and dynamic equations of RLV are given, which represent the characteristics of RLV in reentry flight phase. For the dynamic model of RLV in faulty case, a fault detection scheme is proposed by designing a nonlinear fault detection observer. Then, an active fault tolerant tracking strategy for RLV attitude control systems is presented by making use of both adaptive control and sliding mode control techniques, which can guarantee the asymptotic output tracking of the closed-loop attitude control systems in spite of actuator fault. Finally, simulation results are given to demonstrate the effectiveness of the developed fault tolerant control scheme. © 2011 The Franklin Institute. Published by Elsevier Ltd. All rights reserved.
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© 2011 The Franklin Institute