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Quantized Control Under Round-Robin Communication Protocol
KTH, School of Electrical Engineering (EES), Automatic Control.
2016 (English)In: IEEE transactions on industrial electronics (1982. Print), ISSN 0278-0046, E-ISSN 1557-9948, Vol. 63, no 7, 4461-4471 p.Article in journal (Refereed) PublishedText
Abstract [en]

This paper analyzes the exponential stability of a discrete-time linear plant in feedback control over a communication network with N sensor nodes, dynamic quantization, large communication delays, variable sampling intervals, and round-robin scheduling. The closedloop system is modeled as a switched system with multiple-ordered time-varying delays and bounded disturbances. We propose a time-triggered zooming algorithm implemented at the sensors that preserves exponential stability of the closed-loop system. A direct Lyapunov approach is presented for initialization of the zoom variable. The proposed framework can be applied to the plants with polytopic type uncertainties. The effectiveness of the method is illustrated on cart-pendulum and quadruple-tank processes.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2016. Vol. 63, no 7, 4461-4471 p.
Keyword [en]
Dynamic quantization, Lyapunov method, networked control systems (NCSs), round-robin protocol, switched time-delay systems
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-189917DOI: 10.1109/TIE.2016.2539259ISI: 000378538200045ScopusID: 2-s2.0-84976468676OAI: oai:DiVA.org:kth-189917DiVA: diva2:950363
Note

QC 20160729

Available from: 2016-07-29 Created: 2016-07-25 Last updated: 2016-07-29Bibliographically approved

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