Title :
Dissipativity-based integral sliding-mode control for a class of Takagi–Sugeno fuzzy singular systems with time-varying delay
Author :
Kchaou, Mourad ; Gassara, Hamdi ; El-Hajjaji, Ahmed ; Toumi, Ahmed
Author_Institution :
Lab. of Sci. & Tech. of Autom. Control & Comput. Eng., Univ. of Sfax, Sfax, Tunisia
Abstract :
The problem of sliding-mode control (SMC) with dissipativity for a class of time-delay Takagi-Sugeno fuzzy singular systems is investigated. The system is subject to uncertainties and input non-linearity. Based on an integral sliding surface, a delay-dependent criterion is developed in terms of linear matrix inequalities, which ensures the sliding mode dynamics to be robustly admissible and strictly (qsr)-dissipative. Moreover, an SMC law is established such that the reachability of the specified sliding surface is guaranteed. Finally, the validity and applicability of the proposed approach are illuminated by two simulation examples.
Keywords :
delay systems; fuzzy control; linear matrix inequalities; time-varying systems; uncertain systems; variable structure systems; SMC law; delay-dependent criterion; dissipativity-based integral sliding-mode control; input nonlinearity; integral sliding surface; linear matrix inequalities; sliding mode dynamics; time-delay Takagi-Sugeno fuzzy singular systems; time-varying delay; uncertainties;
Journal_Title :
Control Theory & Applications, IET
DOI :
10.1049/iet-cta.2014.0101