NDLI: Adaptive fuzzy decentralised fault-tolerant control for uncertain non-linear large-scale systems with unknown time-delay

Content Provider	IET Digital Library
Author	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.
Starting Page	2437
Ending Page	2446
Page Count	10
ISSN	17518644
Volume Number	10
e-ISSN	17518652
Issue Number	Issue 18, Dec (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-cta/10/18
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-cta.2016.0471
Journal	IET Control Theory & Applications
Publisher Date	2016-08-24
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Adaptive Control Adaptive Fuzzy Decentralised Fault-tolerant Control Approximation Theory Approximation-based Fault Tolerant Control Field Bounded Reference Signal Closed Loop System Closed-loop System Decentralised Control Delay System Delay-assumption Independent Controller Delayed Input Variables Distributed Parameter Control System Fault Tolerant Control Fuzzy Approximator Fuzzy Control Global Decentralised Fault-tolerant Control Global Stability Interpolation And Function Approximation Large-scale System Multivariable Control System Nonlinear Control System Numerical Analysis Self Adjusting Control System Stability Stability in Control Theory Time-delay Replacement Technique Tracking Error Uncertain Nonlinear Large-scale System Uncertain System Unknown Time-delay
Content Type	Text
Resource Type	Article
Subject	Control and Optimization Control and Systems Engineering Human-Computer Interaction Electrical and Electronic Engineering Computer Science Applications

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