Analog processor of antecedent parts of fuzzy logic rules

Details Analog processor of antecedent parts of fuzzy logic rules Analog processor of antecedent parts of fuzzy logic rules

1995-10-31

1998-09-08

Hafiz, Tariq R.

Data processing: artificial intelligence

Fuzzy logic hardware

Analog fuzzy computer

706 3, G06G 700

Patent

active

058060510

ABSTRACT:
Analog processor of antecedent parts of fuzzy logic inference rules and comprising a plurality of analog generators of membership function each having an output supplying a value corresponding to a degree of truth complemented to one (.alpha.') of logical assignments of the type (A is A') with the outputs being connected together to form a common circuit node and also connected to a current generator and the processor comprising also a voltage control device inserted between a supply voltage pole and a ground voltage reference and a one-way element connected to the common circuit node and the one-way element having an output producing an overall degree of truth for the antecedent part of the fuzzy rule to be processed.

REFERENCES:
patent: 5113366 (1992-05-01), Yamakawa
patent: 5341323 (1994-08-01), Yamakawa
patent: 5568413 (1996-10-01), Landolt
patent: 5570456 (1996-10-01), Landolt
M. Gupta et al., "Design of fuzzy logic controllers based on generalized T-operators," from Fuzzy sets and systems vol. 40 No. 3, pp. 473-389, Apr. 1991.
Landolt, "Efficient analog CMOS implementation of fuzzy rules by direct synthesis of multidimensional fuzzy subspaces," Int'l conference on fuzzy systems, Dec. 1993.
Sasaki, "Current-mode analog fuzzy hardware with voltage input interface and normalization locked loop," International conference on fuzzy systems, Dec. 1992.

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