Reduced-order filter design for discrete-time Takagi-Sugeno fuzzy stochastic systems
2013
This work focuses on the problem of full- and reduced-order l 2 -l ∞ filter design for discrete-time Takagi-Sugeno (T-S) fuzzy stochastic systems. Firstly, we propose a basis-dependent condition for the existence of desirable l 2 -l ∞ filters. Then by the convex linearization technique, we transform the derived condition into some strict linear matrix inequality (LMI) constraints. At the same time, both full- and reduced-order filters can be designed by solving those LMIs. What's more, based on the projection lemma, we also provided a novel analysis method for the reduced-order l 2 -l ∞ filter design. Finally, the feasibility of the proposed full- and reduced-order l 2 -l ∞ filter design methods is verified by a numerical example.
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