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Networked control under round-robin protocol: Multiple sensors and non-small communication delays
KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-7273-4394
2014 (English)In: Proceedings of the IEEE Conference on Decision and Control, IEEE conference proceedings, 2014, no February, 6062-6067 p.Conference paper, Published paper (Refereed)
Abstract [en]

The existing results on Networked Control Systems (NCSs) in the presence of variable sampling intervals, communication delays and scheduling protocols (in the frameworks of hybrid and discrete-time systems) are confined to small communication delays (that are smaller than the sampling intervals). Recently the time-delay approach was suggested to NCSs with N = 2 sensors under Round-Robin (RR) and Try-Once-Discard (TOD) protocols [1], [2], where communication delays were allowed to be non-small. The objective of this paper is to extend the time-delay approach to NCSs under RR protocol with a general number N ≥ 2 of sensor nodes. To derive simple conditions we suggest a novel hybrid system model for the closed-loop system with time-varying delays in the dynamics and in the reset conditions. A new Lyapunov-Krasovskii method is introduced for the exponential stability of the resulting delayed hybrid systems. For the case of two sensors, the resulting conditions are computationally simpler than the existing ones of [1]. The communication delays are allowed to be greater than the sampling intervals. Polytopic type uncertainties in the system model can be easily included in the analysis. The efficiency of the time-delay approach is illustrated on the example of uncertain cart-pendulum.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2014. no February, 6062-6067 p.
Keyword [en]
hybrid system, Lyapunov-Krasovskii method, networked control systems, scheduling protocol, time-delay
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-176159DOI: 10.1109/CDC.2014.7040338Scopus ID: 2-s2.0-84931863956OAI: oai:DiVA.org:kth-176159DiVA: diva2:874950
Conference
2014 53rd IEEE Annual Conference on Decision and Control, CDC 2014, 15 December - 17 December 2014
Note

QC 20151130

Available from: 2015-11-30 Created: 2015-11-02 Last updated: 2015-11-30Bibliographically approved

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Liu, Kun

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf