H model reduction of 2D discrete-time T-S fuzzy systems
by Abderrahim El-Amrani; Bensalem Boukili; Ahmed El Hajjaji; Ismail Boumhidi
International Journal of Autonomous and Adaptive Communications Systems (IJAACS), Vol. 16, No. 4, 2023

Abstract: This paper considers the problem of H model reduction design for two-dimensional (2D) discrete-time Takagi-Sugeno (T-S) fuzzy systems described by Roesser model, over finite frequency (FF) domain. The problem to be solved in the paper is to find a reduced-order model such that the approximation error system is asymptotically stable, which is able to approximate the original T-S fuzzy system with comparatively small and minimised H performance when frequency ranges of noises are known beforehand. Via the use of the generalised Kalman Yakubovich Popov (gKYP) lemma, new design conditions guaranteeing the FF H model reduction are established in terms of linear matrix inequalities (LMIs). To highlight the effectiveness of the proposed H model reduction design, a numerical example is given to illustrate the effectiveness and the less conservativeness of the proposed approach.

Online publication date: Tue, 25-Jul-2023

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