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Erschienen in:
2009 | OriginalPaper | Buchkapitel
Modeling and Simulation of the Defuzzification Stage of a Type-2 Fuzzy Controller Using the Xilinx System Generator and Simulink
verfasst von : Roberto Sepúlveda, Oscar Montiel, Gabriel Lizárraga, Oscar Castillo
Erschienen in: Evolutionary Design of Intelligent Systems in Modeling, Simulation and Control
Verlag: Springer Berlin Heidelberg
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This paper is focused on the study, analysis and development of code for the defuzzification stage of type-2 fuzzy systems, through the average of two type-1 fuzzy systems. This proposal is based on the average method for systems where the type-2 membership functions of the inputs and output, have no uncertainty in the mean or center. The codification is done using the hardware description language VHDL, and it was exported to Simulink through the Xilinx System Generator (XSG). Comparative tests were conducted between the type-2 fuzzy systems for different number of bits and noise levels.