Asymmetric delayed relay feedback identification based on the n-shifting approach
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Mostrar el registro completo del ítemcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/7034
comunitat-uji-handle3:10234/8619
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Título
Asymmetric delayed relay feedback identification based on the n-shifting approachFecha de publicación
2021-08-20Editor
Taylor and FrancisISSN
0020-7179; 1366-5820Cita bibliográfica
To cite this article: José Sánchez Moreno, Sebastián Dormido Bencomo, Oscar Miguel Escrig & Julio Ariel Romero Pérez: Asymmetric delayed relay feedback identification based on the nshifting approach, International Journal of Control, 2024, 97, 1, p. 59-71. DOI: 10.1080/00207179.2021.1962968Tipo de documento
info:eu-repo/semantics/articleVersión
info:eu-repo/semantics/acceptedVersionPalabras clave / Materias
Resumen
The paper presents an improvement of the n-shifting technique to identify the frequency response of an industrial process using a fully asymmetric and delaying relay. The n-shifting approach allows the calculation of ... [+]
The paper presents an improvement of the n-shifting technique to identify the frequency response of an industrial process using a fully asymmetric and delaying relay. The n-shifting approach allows the calculation of n + 1 points of G(s) by an asymmetric relay experiment. This set of n points is composed of G(0), G(jωosc), … , G(jnωosc), being ωosc the oscillation frequency, and where G(jωosc) is in most cases located in the third quadrant of the Nyquist map. By delaying the relay output and repeating a similar experiment it can be generated n additional points of G(s) where the first point is G(jω’osc) with 0 < ω’osc < ωosc. In this way, it is possible to depict the full output spectrum of G(s) from zero to very high frequencies by a short relay experiment. An example of identification and tuning of a PID controller with data from the n-shifting are presented to show the validity of the approach. [-]
Entidad financiadora
Ministerio de Economía y Competitividad (Spain) | Ministerio de Ciencia, Innovación y Universidades (Spain) | Generalitat Valenciana | Universitat Jaume I
Código del proyecto o subvención
DPI2017-84259-C2-2-R | RTI2018-094665-B-I00 | TEC2015-69155-R | ACIF/2018/244 | 18I411-Uji-b2018-39
Derechos de acceso
info:eu-repo/semantics/openAccess
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- ESID_Articles [479]