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Fuzzy logic control for automatic impedance matching

TitleFuzzy logic control for automatic impedance matching
Publication TypeConference Paper
Year of Publication2011
AuthorsArroyo Huerta, J. E., A. Diaz Mendez, J. Ramirez Cortes, Manuel, and M. E. Magana
Conference Name2011 23rd International Conference on Microelectronics (ICM)
Pagination1 - 5
Date Published12/2011
Conference LocationHammamet, Tunisia
ISBN Number978-1-4577-2208-0

In this work an automatic impedance matching for wireless communication systems is proposed. A Takagi-Sugeno (T-S) fuzzy logic controller is used to change adaptively the value of one capacitor in the π matching network. Asymptotic stability is established via a common Lyapunov function for all the subsystems of the T-S fuzzy system. Results obtained using Verilog-A and a Least Mean Square (LMS) impedance matching approach are presented.