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Self-triggered output feedback control of linear plants in the presence of unknown disturbances
João Almeida1; Carlos Silvestre1,2; António M. Pascoal1
2014-04-17
Source PublicationIEEE Transactions on Automatic Control
ISSN0018-9286
Volume59Issue:11Pages:3040-3045
Abstract

This note addresses the control of linear time-invariant plants in the presence of unknown, bounded disturbances when the output of the plant is only measured at sampling instants determined by a self-triggered strategy. In a self-triggered scenario, the controller is allowed to choose when the next sampling time should occur and does so based on available measurements and on a priori knowledge about the plant. The proposed solution is a cascade interconnection of a state observer and a self-triggered state feedback controller. We focus our attention on state observers that are only updated at sampling times and that are input-to-state stable (ISS) with respect to disturbances. Due to the cascade structure of the closed-loop system and the fact that self-triggered control strategies presented in the literature are ISS with respect to observation errors and exogenous disturbances, we conclude that the closed-loop is rendered ISS with respect to exogenous disturbances.

KeywordSampled-data Systems Event-triggered Control Self-triggered Control.
DOI10.1109/TAC.2014.2318091
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaAutomation & Control Systems ; Engineering
WOS SubjectAutomation & Control Systems ; Engineering, Electrical & Electronic
WOS IDWOS:000344482500020
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
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Citation statistics
Cited Times [WOS]:27   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorJoão Almeida
Affiliation1.Laboratory for Robotics and Systems in Engineering and Science (LARSyS), Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
2.Faculty of Science and Technology of the University of Macau, Macau, China
Recommended Citation
GB/T 7714
João Almeida,Carlos Silvestre,António M. Pascoal. Self-triggered output feedback control of linear plants in the presence of unknown disturbances[J]. IEEE Transactions on Automatic Control,2014,59(11):3040-3045.
APA João Almeida,Carlos Silvestre,&António M. Pascoal.(2014).Self-triggered output feedback control of linear plants in the presence of unknown disturbances.IEEE Transactions on Automatic Control,59(11),3040-3045.
MLA João Almeida,et al."Self-triggered output feedback control of linear plants in the presence of unknown disturbances".IEEE Transactions on Automatic Control 59.11(2014):3040-3045.
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