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Decentralized adaptive control for large-scale time-delay systems with dead-zone input

✍ Scribed by Jing Zhou

Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
664 KB
Volume
44
Category
Article
ISSN
0005-1098

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✦ Synopsis

In this paper, a decentralized adaptive control scheme is proposed to address output tracking of a class of interconnected time-delay subsystems with the input of each loop preceded by an unknown dead-zone. Each local controller is designed using the backstepping technique and consists of a new robust control law and new updating laws. Unknown time-varying delays are compensated by using appropriate Lyapunov-Krasovskii functionals. Furthermore, by introducing a new smooth dead-zone inverse, the proposed backstepping design is able to eliminate the effects resulting from dead-zone nonlinearities in the input. It is shown that the proposed controller can guarantee not only stability, but also good transient performance.

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