Embedded interval type - 2 T - S fuzzy time / space separation modeling approach for nonlinear distributed parameter system / Mengling Wang in Industrial & engineering chemistry research, Vol. 50 N° 24 (Décembre 2011)
Embedded interval type - 2 T - S fuzzy time / space separation modeling approach for nonlinear distributed parameter system [texte imprimé] / Mengling Wang, Auteur ; Ning Li, Auteur ; Shaoyuan Li, Auteur . - 2012 . - pp. 13954–13961.
Chimie industrielle
Langues : Anglais (eng)
in Industrial & engineering chemistry research > Vol. 50 N° 24 (Décembre 2011) . - pp. 13954–13961
Mots-clés : Distributed parameter system Modeling Résumé : Challenging modeling problems include how to obtain a simple and accurate model for a partial differential equation (PDE) unknown nonlinear distributed parameter system (DPS). In this paper, a time/space separation modeling approach based on the interval type-2 T-S fuzzy model (IT2 T-S model) is proposed for nonlinear DPS. First, the spatial-temporal output is divided into a few dominant spatial basis functions and low-dimensional time series by a linear time/space separation method. Second, the interval type-2 T-S fuzzy model is determined from the low-dimensional time series to reconstruct the system dynamics through the spatial basis functions. As the IT2 T-S model employs an interval linear model in the consequent part, the relationship between the input and spatial output can be determined by linear expressions through type reduction and linear time/space reconstruction. Thus, the obtained model is suitable for control design. The simulation presents the accuracies and effectiveness of the proposed modeling methodologies. DEWEY : 660 ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=25299863