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The paradoxical success of fuzzy logic

Elkan, C., Berenji, H.R., Chandrasekaran, B., de Silva, C.J.S., Attikiouzel, Y., Dubois, D., Prade, H., Smets, P., Freksa, C., Garcia, O.N., Klir, G.J., Yuan, B., Mamdani, E.H., Pelletier, F.J., Ruspini, E.H., Turksen, B., Vadiee, N., Jamshidi, M., Wang, P-Z, Tan, S-K, Tan, S., Yager, R.R. and Zadeh, L.A. (1994) The paradoxical success of fuzzy logic. IEEE Expert, 9 (4). pp. 3-49.

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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.

Item Type: Journal Article
Publisher: IEEE
Copyright: © 1994 IEEE
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