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000000263 037__ $$aENY-ARTICLE-2008-209
000000263 041__ $$aeng
000000263 100__ $$aKasztenny, B$$uWroclaw University of Technology, Poland
000000263 245__ $$aReal-Time Modelling and Digital Implementation of Fuzzy-Logic Controllers
000000263 260__ $$c1995-03-05
000000263 300__ $$a6p
000000263 500__ $$aFirst International Conference on Digital Power System Simulators, ICDS '95, College Station, Texas, U.S.A., April 5-7, 1995, pp. 323-328.
000000263 520__ $$aThis paper is concerned with the numerical optimization of the Fuzzy Logic Controller (FLC) for both its efficient simulation and easy real-time implementation. The basic concept of the FLC based on generalized T-operators approach has been presented. Several assumptions regarding the mathematical formalization of the FL,C have been made leading to its numerical simplification. They include: Goguen formulas for T-operators, "Center of Gravity" method for defuzzification and the overlapping between not more than two membership functions for the controllers fuzzy output. Under these assumptions, the paper presents the FLC non-fuzzy output as the ratio of two weighted sums of certain functions of the inputs reducing the computational burden of the PLC algorithm at least few tens times comparing with the definition-based approach. The Fuzzy Logic Power System Stabilizer (PSS) has been chosen as an application example. Results of simulation studies demonstrate the efficiency of both the presented optimization method in terms of numerical simplicity and the designed PSS in terms of improving the power system stability.
000000263 6531_ $$aFuzzy Logic Control
000000263 6531_ $$aT-operators
000000263 6531_ $$aNumerical Optimization
000000263 6531_ $$aPower System Stabilizer
000000263 700__ $$aHatziadoniu, C$$uSouthern Illinois University at Carbondale, USA 
000000263 700__ $$aWiszniewski, A$$uWroclaw University of Technology, Poland
000000263 8560_ $$
000000263 8564_ $$u$$zAccess to Fulltext
000000263 909CO $$$$pglobal
000000263 980__ $$aARTICLE