Membership function tuning system using defuzzy calculation

Details Membership function tuning system using defuzzy calculation Membership function tuning system using defuzzy calculation

1993-12-14

1995-08-29

Downs, Robert W.

395900, G05B 1302

Patent

active

054468264

ABSTRACT:
The present invention calculates an error between an output expected value with respect to an input of fuzzy inference and an output result of fuzzy inference using a singleton as the conclusion-membership function, calculates the distance proportional to the ratio of the degrees of contribution of each conclusion-membership functions in the defuzzy calculation for fuzzy inference, and uses the error and the distance as the basis to update tuning of the conclusion-membership function.

REFERENCES:
patent: 4864490 (1989-09-01), Nomoto et al.
patent: 5051932 (1991-09-01), Inoue et al.
patent: 5153807 (1992-10-01), Saito et al.
patent: 5159547 (1992-10-01), Chand
patent: 5241651 (1993-08-01), Ueda
patent: 5251288 (1993-10-01), Nomura et al.
patent: 5295061 (1994-03-01), Katayama et al.

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