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Directed information and privacy loss in cloud-based control
KTH, School of Electrical Engineering (EES), Automatic Control.
KTH, School of Electrical Engineering (EES), Information Science and Engineering.
KTH, School of Electrical Engineering (EES), Automatic Control.
KTH, School of Electrical Engineering (EES), Automatic Control.
2017 (English)In: Proceedings of the American Control Conference, Institute of Electrical and Electronics Engineers (IEEE), 2017, p. 1666-1672, article id 7963192Conference paper, Published paper (Refereed)
Abstract [en]

We consider a cloud-based control framework in which individual clients own their local plants that must be controlled by a public authority. Individual clients desire to keep the local state information as private as possible, as long as the cloud-based controller can provide a given level of quality of service. Based on an axiomatic argument, we show that Kramer's notion of causally conditioned directed information from the state random variable to a random variable disclosed to the public authority is an appropriate measure of privacy loss. For a special case with the Linear-Quadratic-Gaussian (LQG) setting, we provide a procedure to construct a 'privacy filter' that attains the optimal trade-off between privacy loss and control quality.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2017. p. 1666-1672, article id 7963192
Series
Proceedings of the American Control Conference, ISSN 0743-1619
Keywords [en]
Economic and social effects, Quality of service, Random variables
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-212458DOI: 10.23919/ACC.2017.7963192ISI: 000427033301116Scopus ID: 2-s2.0-85027060292ISBN: 9781509059928 (print)OAI: oai:DiVA.org:kth-212458DiVA, id: diva2:1135594
Conference
2017 American Control Conference, ACC 2017, Sheraton Seattle Hotel, Seattle, United States, 24 May 2017 through 26 May 2017
Funder
Swedish Research CouncilKnut and Alice Wallenberg FoundationSwedish Foundation for Strategic Research
Note

QC 20170823

Available from: 2017-08-23 Created: 2017-08-23 Last updated: 2018-04-10Bibliographically approved

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