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Extremum seeking control based on phasor estimation
Luleå tekniska universitet, Institutionen för system- och rymdteknik, Signaler och system.ORCID-id: 0000-0002-9901-5776
Luleå tekniska universitet, Institutionen för system- och rymdteknik, Signaler och system.ORCID-id: 0000-0001-8893-4809
Luleå tekniska universitet, Institutionen för system- och rymdteknik, Signaler och system.ORCID-id: 0000-0002-0079-9049
2015 (engelsk)Inngår i: Systems & control letters (Print), ISSN 0167-6911, E-ISSN 1872-7956, Vol. 85, s. 37-45Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

We present an extremum seeking control algorithm based on the estimation of the phasor of the perturbation frequency in the output of the plant. The phasor estimator is based on a continuous time Kalman filter, which is reduced into a variable gain observer by explicitly solving the special case of the Riccati equation. Local stability of the proposed al- gorithm for general non-linear dynamic systems using averaging and singular perturbations is presented for the single input case. The advantage of the presented algorithm is that it can be used on plants with large and even variable phase lag.

sted, utgiver, år, opplag, sider
2015. Vol. 85, s. 37-45
HSV kategori
Forskningsprogram
Reglerteknik; Intelligenta industriella processer (FOI)
Identifikatorer
URN: urn:nbn:se:ltu:diva-10781DOI: 10.1016/j.sysconle.2015.08.010ISI: 000364884300006Scopus ID: 2-s2.0-84944041663Lokal ID: 9a49e75c-e3e9-47ab-8626-7390e4551bd6OAI: oai:DiVA.org:ltu-10781DiVA, id: diva2:983728
Merknad
Validerad; 2015; Nivå 2; 20150908 (tgu)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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