Adaptive PID controller design for nonlinear systems / Imma Nuella in Industrial & engineering chemistry research, Vol. 48 N° 10 (Mai 2009)  

Public ISBD [article]  inIndustrial & engineering chemistry research > Vol. 48 N° 10 (Mai 2009) . - pp. 4877–4883 Titre : Adaptive PID controller design for nonlinear systems Type de document : texte imprimé Auteurs : Imma Nuella, Auteur ; Cheng Cheng, Auteur ; Min-Sen Chiu, Auteur Année de publication : 2009 Article en page(s) : pp. 4877–4883 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : Adaptive proportional-integral-derivative controller Nonlinear control Just-in-time learning technique Résumé : In this paper, an adaptive proportional−integral−derivative (PID) controller design is proposed for nonlinear process control. In the proposed method, a controller database is constructed to store the PID parameters previously implemented together with their corresponding information vectors, while another modeling database is utilized by the just-in-time learning technique for modeling purpose. The PID parameters are obtained from controller database according to the current process dynamics characterized by the information vector at each sampling instance. Moreover, these PID parameters can be further fine-tuned, whenever required, and the resulting PID parameters together with the associated information vector are stored into controller database to improve it for operating conditions where the relevant information is not available in the construction of initial controller database. Simulation results are presented to illustrate the proposed adaptive PID design and its effectiveness is evaluated through comparison with its conventional counterpart. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie801227d [article] Adaptive PID controller design for nonlinear systems [texte imprimé] / Imma Nuella, Auteur ; Cheng Cheng, Auteur ; Min-Sen Chiu, Auteur . - 2009 . - pp. 4877–4883. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N° 10 (Mai 2009) . - pp. 4877–4883 Mots-clés : Adaptive proportional-integral-derivative controller Nonlinear control Just-in-time learning technique Résumé : In this paper, an adaptive proportional−integral−derivative (PID) controller design is proposed for nonlinear process control. In the proposed method, a controller database is constructed to store the PID parameters previously implemented together with their corresponding information vectors, while another modeling database is utilized by the just-in-time learning technique for modeling purpose. The PID parameters are obtained from controller database according to the current process dynamics characterized by the information vector at each sampling instance. Moreover, these PID parameters can be further fine-tuned, whenever required, and the resulting PID parameters together with the associated information vector are stored into controller database to improve it for operating conditions where the relevant information is not available in the construction of initial controller database. Simulation results are presented to illustrate the proposed adaptive PID design and its effectiveness is evaluated through comparison with its conventional counterpart. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie801227d

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