NDLI: Decentralised variable structure observers for nonlinear time delay systems with unknown interconnections

Content Provider	IEEE Xplore Digital Library
Author	Xing-Gang Yan Spurgeon, S.K. Peng Shi Fridman, L.
Copyright Year	2012
Description	Author affiliation: Instrumentation, Control and Embedded Systems Research Group, School of Engineering & Digital Arts, University of Kent, Canterbury, CT2 7NT, United Kingdom (Xing-Gang Yan; Spurgeon, S.K.) \|\| Faculty of Advanced Technology, University of Glamorgan, Pontypridd, CF37 1DL. UK (Peng Shi) \|\| Departamento de Ingeniera de Control y Robtica, Facultad de Ingeniera UNAM, Mexico City 07000, Mexico (Fridman, L.)
Abstract	Decentralised variable structure observers are proposed for a class of nonlinear time delay interconnected systems. The nonlinear interconnections are unknown and time delayed. It is not required that the bounds on the uncertainties in the isolated subsystems are functions of the system outputs. Unlike much of the existing work where the designed observer is an interconnected system, the observers designed in this paper are a set of decoupled dynamics and thus decentralised, which is convenient for practical design. Based on the Lyapunov Razumikhin approach, sufficient conditions are derived such that the corresponding error dynamics are asymptotically stable. The delays are time varying, and there is no limitation on the rate of change of the time delays.
Starting Page	332
Ending Page	337
File Size	289332
Page Count	6
File Format	PDF
ISBN	9781467320658
ISSN	07431546
e-ISBN	9781467320665
e-ISBN	9781467320641
DOI	10.1109/CDC.2012.6426685
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-12-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Observers Interconnected systems Delay effects Equations Uncertainty Educational institutions Matrix decomposition
Content Type	Text
Resource Type	Article
Subject	Control and Optimization Control and Systems Engineering Modeling and Simulation

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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