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An event-based adaptation of the relay feedback experiment for frequency response identification of stable processes

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dc.contributor.authorSánchez Moreno, José
dc.contributor.authorTorre Cubillo, Luis de la
dc.contributor.authorChacón Sombría, Jesús
dc.contributor.authorDormido Canto, Sebastián
dc.contributor.editorElsevier
dc.contributor.orcidhttps://orcid.org/0000-0003-0898-3462
dc.date.accessioned2024-05-29T07:22:41Z
dc.date.available2024-05-29T07:22:41Z
dc.date.issued2023-04-13
dc.description.abstractAn event-based modification of the classical relay feedback experiment without the inclusion of additional elements (integrator, time delay, . . . ) for identification of the spectrum of stable processes between zero and the phase cross-over frequency is presented. By inserting an event-based sampler in the control loop, the natural behaviour of a classical relay is simulated and the system is forced to work in two modes. The event-based sampler activates the first mode by sending control actions to the process every time the error signal crosses zero; this mode is to discover the approximated value of the cross-over frequency ω180◦ . During the second mode, the event-based sampler sends samples to the process simulating that the error signal crosses zero at ω180◦ /N where N is the number of points to identify in the range 0 ≤ ω ≤ ω180◦ . One advantage of this procedure is that the logic used in an already existing relay feedback experiment to fit a transfer function model or tune a controller could be maintained just replacing the relay block by the event-based sampler block presented in the paper. Simulations and experiments with different processes and in presence of noise demonstrate the effectivity of the procedure.en
dc.description.versionversión publicada
dc.identifier.citationSánchez Moreno, José, De La Torre, L., et al. Una adaptación basada en el evento del experimento de retroalimentación de relés para la identificación de respuesta de frecuencias de procesos estables. ISA Transacciones, vol. 139, agosto de 2023, pp. 510-523. https://doi.org/10.1016/j.isatra.2023.04.008.
dc.identifier.doihttps://doi.org/10.1016/j.isatra.2023.04.008
dc.identifier.issn0019-0578
dc.identifier.urihttps://hdl.handle.net/20.500.14468/22203
dc.journal.titleISA Transacciones
dc.journal.volume139
dc.language.isoes
dc.page.final523
dc.page.initial510
dc.publisherElsevier
dc.relation.centerE.T.S. de Ingeniería Informática
dc.relation.departmentInformática y Automática
dc.rightsAtribución 4.0 Internacional
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
dc.subject12 Matemáticas::1203 Ciencia de los ordenadores ::1203.17 Informática
dc.subject.keywordsfrequency responseen
dc.subject.keywordsrelay feedbacken
dc.subject.keywordsidentificationen
dc.subject.keywordsevent-based samplingen
dc.titleAn event-based adaptation of the relay feedback experiment for frequency response identification of stable processesen
dc.typeartículoen
dc.typejournal articleen
dspace.entity.typePublication
relation.isAuthorOfPublicationcafb43c8-2038-4e5c-a3b3-f53b9fc7f8c1
relation.isAuthorOfPublicationd3cfe1c5-d5e5-459e-8ed3-cb1ebb07639e
relation.isAuthorOfPublicationf5f57d8a-f3c0-40a1-a93c-80d6237a2bcb
relation.isAuthorOfPublication.latestForDiscoverycafb43c8-2038-4e5c-a3b3-f53b9fc7f8c1
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