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Operating point shift induced by relay asymmetry: An iterative solution proposal

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dc.title Operating point shift induced by relay asymmetry: An iterative solution proposal en
dc.contributor.author Pekař, Libor
dc.contributor.author Matušů, Radek
dc.contributor.author Guzowski, Hubert
dc.contributor.author Gazdoš, František
dc.relation.ispartof Proceedings of the 2023 24th International Conference on Process Control, PC 2023
dc.identifier.isbn 979-835034762-3
dc.date.issued 2023
dc.citation.spage 36
dc.citation.epage 41
dc.event.title 24th International Conference on Process Control, PC 2023
dc.event.location Štrbské pleso
utb.event.state-en Slovakia
utb.event.state-cs Slovensko
dc.event.sdate 2023-06-06
dc.event.edate 2023-06-09
dc.type conferenceObject
dc.language.iso en
dc.publisher Institute of Electrical and Electronics Engineers Inc.
dc.identifier.doi 10.1109/PC58330.2023.10217465
dc.relation.uri https://ieeexplore.ieee.org/document/10217465
dc.relation.uri https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10217465
dc.subject asymmetry en
dc.subject identification en
dc.subject relay en
dc.subject iterations en
dc.subject optimization en
dc.description.abstract This contribution focuses on a problem that appears when using a relay with non-symmetric output in the closed loop. Such a scheme is usually used for process model parameters identification, possibly followed by automatic controller tuning. Whenever static or dynamic properties of the process reveal asymmetry when the sign of the input changes, the setpoint (reference) becomes different from the operating point value of the process output. As a class of relay-based identification methods utilize calculations in the frequency domain that are based on integral computation around the operating point, the discrepancy between the setpoint and the operating point can lead to incorrect results. The aim of the paper is mainly to provide the reader with problem formulation and step-by-step proposition of how it can be solved. Concise numerical examples are also given. The concluding remarks suggest possible further ways of research. en
utb.faculty Faculty of Applied Informatics
dc.identifier.uri http://hdl.handle.net/10563/1011672
utb.identifier.obdid 43885088
utb.identifier.scopus 2-s2.0-85171201010
utb.identifier.wok 001058530100007
utb.source d-scopus
dc.date.accessioned 2023-12-05T11:36:27Z
dc.date.available 2023-12-05T11:36:27Z
dc.description.sponsorship Grantová Agentura České Republiky, GA ČR, (GAČR 21-45465L); Narodowe Centrum Nauki, NCN, (2020/39/I/ST7/02285)
dc.description.sponsorship Czech Science Foundation; GACR [21-45465L]; National Science Centre Poland [2020/39/I/ST7/02285]
utb.contributor.internalauthor Pekař, Libor
utb.contributor.internalauthor Matušů, Radek
utb.contributor.internalauthor Gazdoš, František
utb.fulltext.sponsorship This research was supported by the The Czech Science Foundation under grant No. GACR 21-45465L and by The National Science Centre Poland under project No. 2020/39/I/ST7/02285.
utb.wos.affiliation [Pekar, Libor; Matusu, Radek; Gazdos, Frantisek] Tomas Bata Univ Zlin, Fac Appl Informat, T G Masaryka 5555, Zlin 76001, Czech Republic; [Guzowski, Hubert] AGH Univ Sci & Technol, Inst Comp Sci, Krakow, Poland
utb.scopus.affiliation Faculty of Applied Informatics, Tomas Bata University in Zlín, nám T. G. Masaryka 5555, Zlín, 76001, Czech Republic; Agh University of Science and Technology, Institute of Computer Science, Krakow, Poland
utb.fulltext.projects 21-45465L
utb.fulltext.projects 2020/39/I/ST7/02285
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