Method for carrying out fuzzy inference

Details Method for carrying out fuzzy inference Method for carrying out fuzzy inference

1990-09-13

1992-12-29

Fleming, Michael R.

395900, G05B 1302

Patent

active

051758016

ABSTRACT:
An apparatus for carrying out fuzzy inference and a method therefor are disclosed in which an oblivescence coefficient is introduced and multiplied by a membership function of a conclusion portion in each operating variable linguistic control rule, the oblivescence coefficient being determined through a fuzzy inference according to an oblivescence element corresponding to a difference of times at which the linguistic control rule is established and at which it is used, and/or situations in which the linguistic control rule is established and in which it is used, and the determined oblivescence coefficient is used to vary a weight, or importance, of the linguistic control rule for the operation of the controlled object according thereto so that each linguistic control rule can flexibly be used to execute the fuzzy inference according to its used date, place, and object.

REFERENCES:
patent: 5012430 (1991-04-01), Sakurai
Scharf et al., "The Application of a Fuzzy Controller to the Control of a Multi-Degree-of-Freedom Robot Arm", Industrial Appl. of Fuzzy Control, 1985, 41-68.
Sugiyama, K., "Rule-Based Self-Organising Controller", Fuzzy Computing, 1988, 341-353.
Waller, L., "Fuzzy Logic Microprocessor Tackles Real-Time Tasks", Electronic Design, Feb. 1989, p. 25.
Watanabe et al., "A VLSI Fuzzy Logic Controller with Reconfigurable, Cascadable Architecture", IEEE Journ. Solid-State Circuits, 25(2), Apr. 1990, pp. 376-382.
Lee, C. C., "Fuzzy Logic in Control Systems: Fuzzy Logic Controller-Part I", IEEE Trans Syst. Man & Cybernetics, 20(2) Apr. 1990, 404-418.

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