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IEICE TRANSACTIONS on Electronics

A Current-Mode, First-Order Takagi-Sugeno-Kang Fuzzy Logic Controller, Supporting Rational-Powered Membership Functions

Mahdi MOTTAGHI-KASHTIBAN, Abdollah KHOEI, Khayrollah HADIDI

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Summary :

This paper presents a new Fuzzy Logic Controller (FLC) having the ability to support rational-powered membership functions. These functions are extended forms of triangular/trapezoidal membership functions, and also those functions which are generated by applying linguistic hedges. A two-input, single-output, nine-rule Takagi-Sugeno-Kang (TSK) type FLC is designed in 0.35 µm standard CMOS technology. This controller can also be used as a standard (Mamdani) type FLC having singleton output membership functions, as well as a Linguistic Hedge FLC (LHFLC). Mixed analog/digital realization of the circuit makes the design programmable and extendable, while having relatively low power consumption. Current mode realization of the circuits leads to simple and intuitive configurations. For a particular set of programming parameters, simulation results of the controller using HSPICE simulator and level 49 parameters (BSIM3v3), show an average power consumption of 5 mW, and an RMS error of 1.32% compared to ideal results obtained from MATLAB software.

Publication
IEICE TRANSACTIONS on Electronics Vol.E90-C No.6 pp.1258-1266
Publication Date
2007/06/01
Publicized
Online ISSN
1745-1353
DOI
10.1093/ietele/e90-c.6.1258
Type of Manuscript
Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
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