Bias impression for defuzzifying apparatus

Details Bias impression for defuzzifying apparatus Bias impression for defuzzifying apparatus

1994-12-29

1995-08-29

MacDonald, Allen R.

395 10, 395 11, 395900, G06F 770

Patent

active

054468272

ABSTRACT:
A defuzzifying apparatus, for a fuzzy inference machine in which the consequent of a fuzzy inference is represented by a fuzzy set or a singleton, comprises a bias impression unit that adds an arbitrary-largeness bias value to each inference output grade, and circuitry a center of gravity of each inference output grade after the bias value is added. If the fuzzy inference is accomplished by hardware, it is possible to improve fluctuation of a final output due to noise or inference grade error. Even when an input does not match with any rule, any abnormal output can be prevented.

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patent: 5029314 (1991-07-01), Katsumi et al.
patent: 5167005 (1992-11-01), Yamakawa
patent: 5179625 (1993-01-01), Hisano
patent: 5228111 (1993-07-01), Nagazumi
patent: 5267144 (1993-11-01), Yoshida et al.
patent: 5267348 (1993-11-01), Someya et al.

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