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Production of Membership Functions for the High Precision Applications in Fuzzy Systems and Neural Networks

DOI: 10.5923/j.eee.20120202.11

Keywords: Fuzzifier, Fuzzy controllers (FLC), Neuro-Fuzzy, OTA Structure, Membership Function Circuit

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Abstract:

In this paper the circuit to produce the current mode membership function including OTA and MIN, MAX circuits has been presented. The ability to produce very linear triangular, trapezoidal, s-shape and z-shape functions for applications of neuron-fuzzy programming with controlling voltages is applied. The circuit is designed with simple structure, high dynamic range, low power consumption and area is the speed and accuracy is high. At the end the simulation results with the software HSPICE (49 levels) of 0.35μm CMOS standard processes is presented. Layout of circuits on the surface is about 5μm×36 μm.

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