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The paradoxical success of fuzzy logic

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23 Author(s)
C. Elkan ; Dept. of Comput. Sci. & Eng., California Univ., San Diego, La Jolla, CA, USA ; H. R. Berenji ; B. Chandrasekaran ; C. J. S. de Silva
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Fuzzy logic methods have been used successfully in many real-world applications, but the foundations of fuzzy logic remain under attack. Taken together, these two facts constitute a paradox. A second paradox is that almost all of the successful fuzzy logic applications are embedded controllers, while most of the theoretical papers on fuzzy methods deal with knowledge representation and reasoning. I hope to resolve these paradoxes by identifying which aspects of fuzzy logic render it useful in practice, and which aspects are inessential. My conclusions are based on a mathematical result, on a survey of literature on the use of fuzzy logic in heuristic control and in expert systems, and on practical experience in developing expert systems.<>

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IEEE Expert  (Volume:9 ,  Issue: 4 )