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Sing Kiong Nguang; Peng Shi; Ding, S.
IEEE transactions on fuzzy systems, 12/2007, Letnik: 15, Številka: 6Journal Article
This paper studies the problem of designing a robust fault-detection system for uncertain Takagi-Sugeno fuzzy models. The worst case fault sensitivity measure is formulated in terms of linear matrix inequalities. The existence of a robust fault detection system that guarantees i) the L 2 -gain from a fault signal to a residual signal greater than a prescribed value and ii) the L 2 -gain from an exogenous input to a residual signal less than a prescribed value is given in terms of the solvability of linear matrix inequalities. Numerical examples are used to illustrate the effectiveness of the proposed design techniques.
