期刊
IEEE TRANSACTIONS ON FUZZY SYSTEMS
卷 20, 期 2, 页码 396-401出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TFUZZ.2011.2175933
关键词
H-infinity filter design; linear matrix inequalities (LMIs); Takagi-Sugeno (T-S) fuzzy system
In this paper, we present a new design method for the H-infinity filtering of discrete-time Takagi-Sugeno (TS) fuzzy systems. The parameters of the filter are assumed to be linearly dependent on the normalized fuzzy weighting functions. By using an augmentation technique, the design parameters are incorporated into a filtering error system. In order to derive less-conservative results and reduce the filtering error, a new condition is established to ensure the H-infinity performance of the filtering error system. By introducing more slack matrices, the solution set of the filter parameters is extended. By using a partitioning technique, a design method for the H-infinity filter is proposed in terms of linear matrix inequalities (LMIs). An example demonstrates the improvement of the proposed design method over an existing approach.
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