Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/22631
Title: Indirect adaptive fuzzy control for input and output constrained nonlinear systems using a barrier Lyapunov function
Authors: Li, Y
Li, T
Jing, X 
Keywords: Barrier Lyapunov function
Indirect adaptive fuzzy control
Input and output constraints
Backstepping design
Issue Date: 2014
Source: International journal of adaptive control and signal processing, 2014, v. 28, no. 2, p. 184-199 How to cite?
Journal: International journal of adaptive control and signal processing 
Abstract: In this paper, a novel indirect adaptive fuzzy controller is proposed for a class of uncertain nonlinear systems with input and output constrains. To address output and input constraints, a barrier Lyapunov function and an auxiliary design system are employed, respectively. The proposed approach is explored by employing fuzzy logic systems to tackle unknown nonlinear functions and combining the adaptive backstepping technique with adaptive fuzzy control design. Especially, the number of the online learning parameters are reduced to 2n in the closed-loop system. It is proved that the proposed control approach can guarantee that all the signals in the closed-loop system are bounded, and the input and output constraints are circumvented simultaneously. A numerical example with comparisons is provided to illustrate the effectiveness of the proposed approach.
URI: http://hdl.handle.net/10397/22631
ISSN: 0890-6327(print)
DOI: 10.1002/acs.2410
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