Journal
INFORMATION SCIENCES
Volume 336, Issue -, Pages 60-74Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ins.2015.12.008
Keywords
Non-lower-triangular nonlinear systems; Adaptive fuzzy control; Actuator failures; Backstepping
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Funding
- Natural Science Foundation of China [61304002, 61175072, 61304003, 61333012]
- Natural Science Foundation of Liaoning Province of China [2015020058]
- National 863 Project [2013AA013804]
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In this paper, the problem of adaptive fuzzy fault-tolerant tracking control is studied for a class of non-lower-triangular nonlinear systems with actuator failures. According to the same structure of virtual control inputs and the monotonously increasing property of the bounding functions, a variable separation approach is proposed. By applying the backstepping technique, an adaptive fuzzy control approach is presented which can guarantee the semi-global boundedness of all signals within the closed-loop system. The tracking error using the proposed control scheme eventually converges to a small neighborhood of the origin. (C) 2015 Elsevier Inc. All rights reserved.
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