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- Title
Adaptive fuzzy decentralised fault‐tolerant control for uncertain non‐linear large‐scale systems with unknown time‐delay.
- Authors
Guo, Tao; Chen, Weisheng
- Abstract
This study investigates the problem of global decentralised fault‐tolerant control for a class of non‐linear large‐scale systems with unknown time‐delayed interconnections. The authors propose a novel time‐delay replacement technique. With this technique, a delay‐assumption independent controller is then developed. In addition, the delayed input variables of the fuzzy approximator are replaced by the bounded reference signals so that the global stability is achieved for the approximation‐based fault tolerant control field. In doing so, it will eliminate the limitation which is posted in estimating unknown functions in the traditional approach. The proposed controller ensures that all the signals in the closed‐loop system are globally uniformly ultimately bounded, and the tracking errors can converge to a small neighbourhood of the original point by appropriate choice of the design parameters. Simulation results are provided to show the effectiveness of the control scheme.
- Publication
IET Control Theory & Applications (Wiley-Blackwell), 2016, Vol 10, Issue 18, p2437
- ISSN
1751-8644
- Publication type
Article
- DOI
10.1049/iet-cta.2016.0471