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Network Estimation and Packet Delivery Prediction for Control over Wireless Mesh Networks
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: 0000-0001-7228-0249
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-9940-5929
2011 (English)In: IFAC Proceedings Volumes (IFAC-PapersOnline), 2011, p. 6573-6579Conference paper, Published paper (Refereed)
Abstract [en]

Much of the current theory of networked control systems uses simple point-to-point communication models as an abstraction of the underlying network. As a result, the controller has very limited information on the network conditions and performs suboptimally. This work models the underlying wireless multihop mesh network as a graph of links with transmission success probabilities, and uses a recursive Bayesian estimator to provide packet delivery predictions to the controller. The predictions are a joint probability distribution on future packet delivery sequences, and thus capture correlations between successive packet deliveries. We look at finite horizon LQG control over a lossy actuation channel and a perfect sensing channel, both without delay, to study how the controller can compensate for predicted network outages.

Place, publisher, year, edition, pages
2011. p. 6573-6579
Keywords [en]
Control and estimation with data loss; Networked embedded control systems; Stochastic control
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-47686DOI: 10.3182/20110828-6-IT-1002.00828Scopus ID: 2-s2.0-84866744930OAI: oai:DiVA.org:kth-47686DiVA, id: diva2:456012
Conference
18th IFAC World Congress; Milano; Italy; 28 August 2011 through 2 September 2011
Funder
TrenOp, Transport Research Environment with Novel PerspectivesICT - The Next Generation
Note

QC 20140902

Available from: 2011-11-11 Created: 2011-11-11 Last updated: 2022-06-24Bibliographically approved

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Ramesh, ChithrupaJohansson, Karl Henrik

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Chen, PhoebusRamesh, ChithrupaJohansson, Karl Henrik
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CiteExportLink to record
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Citation style
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  • de-DE
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  • fi-FI
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Output format
  • html
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