High-performance tracking controller for discrete plant using nonlinear sliding surface / Bandyopadhyay, B. in IEEE transactions on industrial electronics, Vol. 56 N° 9 (Septembre 2009)  

Public ISBD [article]  inIEEE transactions on industrial electronics > Vol. 56 N° 9 (Septembre 2009) . - pp. 3628-3637 Titre : High-performance tracking controller for discrete plant using nonlinear sliding surface Type de document : texte imprimé Auteurs : Bandyopadhyay, B., Auteur ; Fulwani, D., Auteur Article en page(s) : pp. 3628-3637 Note générale : Génie électrique Langues : Anglais (eng) Mots-clés : Nonlinear sliding surface Discrete multiple-input-multiple-output linear systems plant Index. décimale : 621 Ingénierie mécanique en général. Technologie nucléaire. Ingénierie électrique. Machinerie Résumé : A nonlinear sliding surface is proposed to improve the transient response for general discrete multiple-input-multiple-output linear systems with matched perturbations. The tracking case is analyzed, and it is shown that the scheme is able to achieve low overshoot and low settling time simultaneously; this is not possible with a linear sliding surface. The control law is based on the discrete-time sliding mode equivalent control and thus eliminates chattering. The control law is proposed based on two approaches: (1) reaching-law-based approach which needs only disturbance bounds and (2) disturbance-observer-based approach. Multirate output feedback is used to relax the need of the entire state vector for the implementation of the control law. A magnetic tape position control application is used to show the effectiveness of the proposed scheme. DEWEY : 621 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?isnumber=5200775&arnumber=4663835 [...] [article] High-performance tracking controller for discrete plant using nonlinear sliding surface [texte imprimé] / Bandyopadhyay, B., Auteur ; Fulwani, D., Auteur . - pp. 3628-3637. Génie électrique Langues : Anglais (eng) in IEEE transactions on industrial electronics > Vol. 56 N° 9 (Septembre 2009) . - pp. 3628-3637 Mots-clés : Nonlinear sliding surface Discrete multiple-input-multiple-output linear systems plant Index. décimale : 621 Ingénierie mécanique en général. Technologie nucléaire. Ingénierie électrique. Machinerie Résumé : A nonlinear sliding surface is proposed to improve the transient response for general discrete multiple-input-multiple-output linear systems with matched perturbations. The tracking case is analyzed, and it is shown that the scheme is able to achieve low overshoot and low settling time simultaneously; this is not possible with a linear sliding surface. The control law is based on the discrete-time sliding mode equivalent control and thus eliminates chattering. The control law is proposed based on two approaches: (1) reaching-law-based approach which needs only disturbance bounds and (2) disturbance-observer-based approach. Multirate output feedback is used to relax the need of the entire state vector for the implementation of the control law. A magnetic tape position control application is used to show the effectiveness of the proposed scheme. DEWEY : 621 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?isnumber=5200775&arnumber=4663835 [...]

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