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Accuracy Improvement of Extremum Seeking Control
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.ORCID iD: 0000-0002-9901-5776
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.ORCID iD: 0000-0002-0079-9049
Number of Authors: 3
2017 (English)In: IEEE Transactions on Automatic Control, ISSN 0018-9286, E-ISSN 1558-2523, Vol. 62, no 4, 1952-1958 p., 7498657Article in journal (Refereed) Published
Abstract [en]

In this work, we present a modification for theclassic and phasor extremum seeking control algorithms in orderto improve the accuracy by removing or reducing the convergenceerror. The modulation signals were replaced by a sum of sinusoidsin order to remove the equilibrium shift in the controlled variableof the averaged system. The convergence error is calculated as afunction of the number of sinusoids used in the modulation signal.A simulation example is presented to illustrate the improvement.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2017. Vol. 62, no 4, 1952-1958 p., 7498657
National Category
Control Engineering
Research subject
Control Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-62395DOI: 10.1109/TAC.2016.2584184ISI: 000399033000031Scopus ID: 2-s2.0-85018485239OAI: oai:DiVA.org:ltu-62395DiVA: diva2:1080547
Note

Validerad; 2017; Nivå 2; 2017-03-29 (rokbeg)

Available from: 2017-03-10 Created: 2017-03-10 Last updated: 2017-11-24Bibliographically approved

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Publisher's full textScopushttp://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=7498657

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Atta, KhalidJohansson, AndreasGustafsson, Thomas

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