An estimation approach for process control based on asymmetric oscillations
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http://hdl.handle.net/2183/25971
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An estimation approach for process control based on asymmetric oscillationsAutor(es)
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2017Cita bibliográfica
Sánchez Moreno, J., Guinaldo Losada, M., Dormido, S., Fernández Marrón, J. L., Visioli, A. An estimation approach for process control based on asymmetric oscillations. En Actas de las XXXVIII Jornadas de Automática, Gijón, 6-8 de Septiembre de 2017 (pp.181-188). DOI capítulo: https://doi.org/10.17979/spudc.9788497497749.0181 DOI libro: https://doi.org/10.17979/spudc.9788497497749
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http://hdl.handle.net/10651/46476
Resumo
[Abstract] An estimation procedure for process control has been developed based on the information obtained from the oscillations that a non-linear element as a simple relay introduces in the feedback loop. Features of the method are: (1) the procedure does not demand a priori process information, (b) non-iterative algorithms are needed to derive the process parameters, (c) only one test is needed, and (d) it allows identifying the process at a user-specified phase lag in the third quadrant. The method is presented for estimation of most common transfer functions found in chemical and process industry: integrators, first-, second- as well as processes with non-minimum-phase dynamics.
Palabras chave
Describing function
Relay
Estimation
Limit cycle
Oscillations
Relay
Estimation
Limit cycle
Oscillations
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978-84-16664-74-0 (UOV) 978-84-9749-774-9 (UDC electrónico)