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Artificial Intelligence and Soft Computing: Behavioral ... - Arteimi.info

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cumulative maximum of the two successive outputs of the MIN box. The αi s<br />

thus produced are ANDed with µ Bi (y) s to yield µBi’ (y) s, which finally are<br />

ORed to produce the µB’ (y) distribution. The 16-input OR function is carried<br />

out with the help of an OR tree, shown in fig. 9.16. The system implemented<br />

by Togai <strong>and</strong> Watanabe [13] has an execution speed of 80,000 fuzzy logical<br />

inferences per second, when a 20.8 M-Hz crystal is used as a basic timing<br />

unit.<br />

µA1 (x) µA16 (x) µA1’ (x) µA16 ‘(x)<br />

MIN MIN<br />

MAX MAX<br />

µB1(y) µB16(y)<br />

α1 α16<br />

MIN MIN<br />

µ B1 ’ (y) µ B16 ’ (y)<br />

…..<br />

16-input OR function<br />

µB’ (y)<br />

Fig. 9.15: The logic architecture of the fuzzy inference engine.

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