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Combined networked switching output feedback control with D-region stability for performance improvement
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.ORCID iD: 0000-0003-0126-1897
University of Patras, Department of Electrical Engineering.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
2014 (English)In: International Journal of Control, ISSN 0020-7179, E-ISSN 1366-5820, Vol. 87, no 6, 1172-1180 p.Article in journal (Refereed) Published
Abstract [en]

In this article, a combined networked switching output feedback control scheme, with a (Formula presented.)-region stability performance improvement module is presented. The network induced time delays, that are considered to be time varying and integer multiples of the sampling period, are being embedded in the system model, by state augmentation. The resulting model of the overall networked closed-loop system is switching, with the current measured round-trip time delay acting as the switching rule. Based on this modelling approach, a Linear Matrix Inequality (LMI) tuned switching output feedback controller is designed. The proposed approach establishes robustness against time delays and is able to guarantee the overall stability of the switching closed-loop system. Integrated in the controlled synthesis phase, an LMI tuned performance improvement module is being introduced, based on (Formula presented.)-region stability. Multiple simulation results are being presented that prove the efficacy of the proposed scheme.

Place, publisher, year, edition, pages
2014. Vol. 87, no 6, 1172-1180 p.
Keyword [en]
Information technology - Automatic control
Keyword [sv]
region stability, LMI, networked controlled systems, switching output feedback, Informationsteknik - Reglerteknik
National Category
Control Engineering
Research subject
Control Engineering
URN: urn:nbn:se:ltu:diva-3605DOI: 10.1080/00207179.2013.868932Local ID: 16d4f660-7025-4eef-841e-d5288928a2fcOAI: diva2:976463
Validerad; 2014; 20140317 (johsod)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

Open Access in DiVA

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