Patent
1991-06-24
1993-10-12
Macdonald, Allen R.
395 61, 395900, G06F 1518
Patent
active
052533328
ABSTRACT:
When a relationship between a factor and a conclusion has occurred, data indicative of this relationship is stored in a case-history file. For example, in an apparatus which uses approximate reasoning to perform fault diagnosis, the type of a fault and its symptoms are recorded (in a repair report, maintenance report or the like) when the fault occurs. A knowledge base is revised or created by such case-history file data. The possibility of a conclusion, static information quantities, clarity of a conclusion, etc., are computed based upon such a knowledge base.
REFERENCES:
patent: 4860214 (1989-08-01), Matsuda et al.
Lee, "Fuzzy Logic in Control Systems: Fuzzy Logic Controller, Part II," Transactions on Systems, Man, and Cybernetics, vol. 20, No. 2 Mar./Apr. 1990, pp. 419-435.
Giles, "The Concept of Grade of Membership," Fuzzy Sets and Systems 25 (1988) 297-323.
Chiu et al, "A Fuzzy Logic Programming Environment for Real Time Control," International Journal of Approximate Reasoning, 1988, 2:163-175.
Lee, "Fuzzy Logic In Control Systems: Fuzzy Logic Controller;" Part 1, IEEE Transactions on Systems, Man and Cybernetics, vol. 20, No. 2, Mar./Apr. 1990; pp. 404-418.
MacDonald Allen R.
Omron Corporation
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