Event-Triggered Control in Shared Networks: How the Computational Power of Sensors Affects Transmission Priorities

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Abstract

In this paper, we study the prioritized transmission schemes for event-triggered wireless networked control systems (WNCSs) with smart (i.e., with computational power) or conventional (i.e., without computational power) sensors. When considering conventional sensors, the estimated state available to the controller is based on the intermittently received raw measurements. We show that the priority measure is associated with the statistical properties of the observations conforming with the cost of information loss (CoIL). Next, we consider the case of smart sensors, and despite the fact that CoIL can also be deployed, we deduce that it is more beneficial to use the available measurements as suggested by the value of information (VoI). The derived VoI incorporates the channel conditions and is compatible with distributed implementation. The impact of adopting each priority measure on the performance is evaluated via simulations.

Original languageEnglish
Title of host publication60th IEEE Conference on Decision and Control, CDC 2021
PublisherIEEE
Pages6224-6230
Number of pages7
ISBN (Electronic)9781665436595
DOIs
Publication statusPublished - 2021
MoE publication typeA4 Article in a conference publication
EventIEEE Conference on Decision and Control - Austin, United States
Duration: 13 Dec 202117 Dec 2021
Conference number: 60

Publication series

NameProceedings of the IEEE Conference on Decision and Control
PublisherIEEE
Volume2021-December
ISSN (Print)0743-1546

Conference

ConferenceIEEE Conference on Decision and Control
Abbreviated titleCDC
Country/TerritoryUnited States
CityAustin
Period13/12/202117/12/2021

Keywords

  • cost of information loss
  • event-triggering
  • Networked control systems
  • smart sensors
  • value of information

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