Approximate reasoning apparatus

Details Approximate reasoning apparatus Approximate reasoning apparatus

1993-04-19

1994-10-04

MacDonald, Allen R.

395 51, 395900, G06F 944

Patent

active

053533801

ABSTRACT:
An approximate reasoning apparatus converts input data into a degree of membership by a membership function, obtains an information quantity for each of a number of factors using the degree of membership, and obtains the possibility of a conclusion using the degree of membership and the information quantities. As a result, the accuracy of an information quantity which prevails at the moment data is entered is taken into consideration to obtain results of reasoning having a high identification capability. Further, a static information quantity of each factor is calculated, the clarity of each factor is obtained from the static information quantity, the clarity of a factor for which data has been entered is calculated from the clarity of each factor, and the finally calculated clarity is displayed as clarity regarding results of reasoning. This makes it possible to judge the reliability of the results of reasoning from the displayed clarity.

REFERENCES:
patent: 4860213 (1989-08-01), Bonissone
patent: 4860214 (1989-08-01), Matsuda et al.
Chuen Chien 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.
Loftri A. Zadeh, "Fuzzy Logic," IEEE Computer, Apr. 1988, pp. 83-93.
Janusz Kacprzyk et al, "An Interactive User-Friendly Decision Support System for Consensus Reaching Based on Fuzzy Logic with Linguistic Quantifiers," Fuzzy Computing, Gupta et al (ed.) 1988, Elsevier Sci Pub, pp. 307-322.

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