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Control over a Hybrid MAC Wireless Network
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Automatic Control.
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0003-1835-2963
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2010 (English)In: 2010 IEEE 1ST INTERNATIONAL CONFERENCE ON SMART GRID COMMUNICATIONS, 2010, 197-202 p.Conference paper, Published paper (Refereed)
Abstract [en]

Wireless Sensor Networks and Control Systems are an essential part of the Smart Grid. We consider the problem of performing control over large complex networked systems with packet drops. More specifically, we are interested in improving the performance of the regulation of control loops when the communication is made over low-cost wireless networks. In control over wireless networks it is common to use Contention-Free (CF) schemes where no losses occur with the price of low scalability and complicated scheduling policies. In this work we propose a hybrid MAC and control architecture, where a small number of control loops with high demand of attention are scheduled in a CF scheme and well regulated loops are scheduled in a lossy, asynchronous and highly scalable, Contention-Access (CA) scheme. We model and analyze the performance of such system with Markov Jump Linear System (MJLS) tools and compare it with other architecture types. Performance is evaluated using a quadratic cost function of the state.

Place, publisher, year, edition, pages
2010. 197-202 p.
Keyword [en]
MJLS tool, Markov jump linear system, complex networked system, contention-access scheme, contention-free scheme, control architecture, control loops;control system;hybrid MAC wireless network, low-cost wireless network, packet drops, smart grid, wireless sensor network, Markov processes, access protocols, telecommunication control, wireless sensor networks
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-74476DOI: 10.1109/SMARTGRID.2010.5622041ISI: 000330185100034OAI: oai:DiVA.org:kth-74476DiVA: diva2:489687
Conference
2010 First IEEE International Conference on Smart Grid Communications (SmartGridComm)
Note

QC 20120329

Available from: 2012-02-03 Created: 2012-02-03 Last updated: 2014-10-06Bibliographically approved

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Sandberg, HenrikJohansson, Karl Henrik

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