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A scheme for joint quantization, error protection and feedback control over noisy channels
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-7926-5081
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-9940-5929
2007 (English)In: 2007 AMERICAN CONTROL CONFERENCE, VOLS 1-13: PROCEEDINGS OF THE AMERICAN CONTROL CONFERENCE, IEEE , 2007, 2456-2461 p.Conference paper (Refereed)
Abstract [en]

We study a closed-loop scalar control system with feedback transmitted over a discrete noisy channel. For this problem, we propose a joint design of the state measurement quantization, protection against channel errors, and control. The goal is to minimize a linear quadratic cost function over a finite horizon. In particular we focus on a special case where we verify that certainty equivalence holds, and for this case we design joint source-channel encoder and decoder/estimator pairs. The proposed algorithm leads to a practically feasible design of time-varying non-uniform quantization and control. Numerical results demonstrate the promising performance obtained by employing the proposed iterative optimization algorithm.

Place, publisher, year, edition, pages
IEEE , 2007. 2456-2461 p.
, Proceedings of the American control conference, ISSN 0743-1619
Keyword [en]
Communication system control, Control systems, Decoding, Error correction, Feedback control, Iterative algorithms, Protection, Quantization, Sensor systems, Wireless sensor networks
National Category
Control Engineering
URN: urn:nbn:se:kth:diva-81348DOI: 10.1109/ACC.2007.4282547ISI: 000252258801174ScopusID: 2-s2.0-46449128139ISBN: 978-1-4244-0988-4OAI: diva2:497349
ACC, New York City, NY, USA, 2007
© 2006 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. QC 20120216Available from: 2012-02-16 Created: 2012-02-10 Last updated: 2012-02-16Bibliographically approved

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