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On the Resource Allocation Problem in Wireless Networked Control Systems
Aalto Univ, Sch Elect Engn, Dept Elect Engn & Automat, Espoo, Finland..
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Signals and Systems Group.
Chalmers Univ Technol, Dept Signals & Syst, Gothenburg, Sweden..
Chalmers Univ Technol, Dept Signals & Syst, Gothenburg, Sweden..
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2017 (English)In: 2017 IEEE 56Th Annual Conference On Decision And Control (Cdc), IEEE, 2017, p. 4147-4154Conference paper, Published paper (Refereed)
Abstract [en]

This paper considers the scheduling problem of a decentralized system where a number of dynamical subsystems with no computational power are scheduled to transmit their measurements via a resource-limited communication network to a remote decision maker who acts as an estimator, controller and scheduler for the subsystems. We propose a new approach for communication resource allocation for a wide class of objective functions, for both coupled and decoupled systems, and for both scheduling observations as well as control commands. This framework facilitates scheduling over a finite horizon and can explicitly deal with stochastic channels. For decoupled subsystems, we propose the notion of cost of information loss (CoIL) and we demonstrate that the communications resource allocation problem can be directly expressed in terms of CoIL functions as an assignment-type optimization problem. Illustrative examples demonstrate how communication resources affect the performance of the system.

Place, publisher, year, edition, pages
IEEE, 2017. p. 4147-4154
Series
IEEE Conference on Decision and Control, ISSN 0743-1546
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:uu:diva-348326DOI: 10.1109/CDC.2017.8264269ISI: 000424696904001ISBN: 978-1-5090-2873-3 (electronic)OAI: oai:DiVA.org:uu-348326DiVA, id: diva2:1200605
Conference
IEEE 56th Annual Conference on Decision and Control (CDC), DEC 12-15, 2017, Melbourne, AUSTRALIA
Available from: 2018-04-24 Created: 2018-04-24 Last updated: 2018-04-24Bibliographically approved

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Output format
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