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System architectures, protocols and algorithms for aperiodic wireless control systems
KTH, Skolan för elektro- och systemteknik (EES), Reglerteknik. KTH, Skolan för elektro- och systemteknik (EES), Centra, ACCESS Linnaeus Centre.
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2014 (engelsk)Inngår i: IEEE Transactions on Industrial Informatics, ISSN 1551-3203, E-ISSN 1941-0050, Vol. 10, nr 1, s. 175-184Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Wide deployment of wireless sensor and actuator networks in cyber-physical systems requires systematic design tools to enable dynamic tradeoff of network resources and control performance. In this paper, we consider three recently proposed aperiodic control algorithms which have the potential to address this problem. By showing how these controllers can be implemented over the IEEE 802.15.4 standard, a practical wireless control system architecture with guaranteed closed-loop performance is detailed. Event-based predictive and hybrid sensor and actuator communication schemes are compared with respect to their capabilities and implementation complexity. A two double-tank laboratory experimental setup, mimicking some typical industrial process control loops, is used to demonstrate the applicability of the proposed approach. Experimental results show how the sensor communication adapts to the changing demands of the control loops and the network resources, allowing for lower energy consumption and efficient bandwidth utilization.

sted, utgiver, år, opplag, sider
2014. Vol. 10, nr 1, s. 175-184
Emneord [en]
Aperiodic wireless control, cyber-physical systems, event-triggered, hybrid communication, networked control systems, self-triggered, wireless sensor and actuator networks (WSANs)
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Identifikatorer
URN: urn:nbn:se:kth:diva-139078DOI: 10.1109/TII.2013.2262281ISI: 000336668600018Scopus ID: 2-s2.0-84890902858OAI: oai:DiVA.org:kth-139078DiVA, id: diva2:683514
Forskningsfinansiär
Knut and Alice Wallenberg FoundationSwedish Research Council
Merknad

QC 20140204

Tilgjengelig fra: 2014-01-04 Laget: 2014-01-04 Sist oppdatert: 2017-12-06bibliografisk kontrollert

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Johansson, Karl Henrik

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