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Applications of fuzzy sets and approximate reasoning

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4 Author(s)
Schwartz, D.G. ; Dept. of Comput. Sci., Florida State Univ., Tallahassee, FL, USA ; Klir, G.J. ; Lewis, H.W., III ; Ezawa, Y.

This paper discusses recent applications of fuzzy sets and the theory of approximate reasoning. The primary focus is on fuzzy logic control (FLC). We begin with a brief history of the key ideas, a survey of recent applications, and a discussion of the genesis of FLC in Japan. We then turn to a study of the general principles of FLC, considering it as a combination of ideas from conventional control theory, artificial intelligence, and fuzzy sets theory. We next provide a detailed analysis of a simple application in consumer electronics, namely, a fuzzy washing machine developed by Hitachi Corporation. In concluding sections we briefly consider other types of applications, including recent work on pilotless helicopters, fuzzy expert systems, and the concept of a fuzzy computer, and we discuss the potential for future developments. It is our opinion that the subject of FLC is still very much in its infancy, and that recent events mark the beginning of an entirely new genre of “intelligent” control

Published in:

Proceedings of the IEEE  (Volume:82 ,  Issue: 4 )