UM
Output-feedback adaptive neural control for stochastic nonlinear time-varying delay systems with unknown control directions
Li T.; Li Z.; Wang D.; Chen C.L.P.
2015
Source PublicationIEEE Transactions on Neural Networks and Learning Systems
ISSN2162237X
Volume26Issue:6Pages:1188
AbstractThis paper presents an adaptive output-feedback neural network (NN) control scheme for a class of stochastic nonlinear time-varying delay systems with unknown control directions. To make the controller design feasible, the unknown control coefficients are grouped together and the original system is transformed into a new system using a linear state transformation technique. Then, the Nussbaum function technique is incorporated into the backstepping recursive design technique to solve the problem of unknown control directions. Furthermore, under the assumption that the time-varying delays exist in the system output, only one NN is employed to compensate for all unknown nonlinear terms depending on the delayed output. Moreover, by estimating the maximum of NN parameters instead of the parameters themselves, the NN parameters to be estimated are greatly decreased and the online learning time is also dramatically decreased. It is shown that all the signals of the closed-loop system are bounded in probability. The effectiveness of the proposed scheme is demonstrated by the simulation results. © 2012 IEEE.
KeywordAdaptive output feedback control neural network (NN) stochastic nonlinear systems time-varying delays unknown control directions
DOI10.1109/TNNLS.2014.2334638
URLView the original
Language英语
The Source to ArticleScopus
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Cited Times [WOS]:85   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Recommended Citation
GB/T 7714
Li T.,Li Z.,Wang D.,et al. Output-feedback adaptive neural control for stochastic nonlinear time-varying delay systems with unknown control directions[J]. IEEE Transactions on Neural Networks and Learning Systems,2015,26(6):1188.
APA Li T.,Li Z.,Wang D.,&Chen C.L.P..(2015).Output-feedback adaptive neural control for stochastic nonlinear time-varying delay systems with unknown control directions.IEEE Transactions on Neural Networks and Learning Systems,26(6),1188.
MLA Li T.,et al."Output-feedback adaptive neural control for stochastic nonlinear time-varying delay systems with unknown control directions".IEEE Transactions on Neural Networks and Learning Systems 26.6(2015):1188.
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