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Fuzzy disjunctive and conjunctive canonical forms: a foundation for interval-valued fuzzy techniques
Autor:
I.B. Turksen
Publikováno v:
Proceedings Joint 9th IFSA World Congress and 20th NAFIPS International Conference (Cat. No. 01TH8569).
Fuzzy disjunctive and conjunctive canonical forms, FDCF, and FCCF, respectively, should be used as a foundation for interval-valued approximate reasoning. It has been shown that in the combination of linguistic concepts, membership values generated b
Autor:
H. Watanabe
Publikováno v:
Proceedings Joint 9th IFSA World Congress and 20th NAFIPS International Conference (Cat. No. 01TH8569).
In the Zadehian formalization, a grade function is defined with respect to a single object, and not to a group of objects. This paper proposes a formal framework which enable us to examine a complicated relationship among groups of objects, and to de
Publikováno v:
Proceedings Joint 9th IFSA World Congress and 20th NAFIPS International Conference (Cat. No. 01TH8569).
The authors define the notions of fuzzy positive implicative hyper K-ideals of types 5, 6, 7 and 8. Then, by presenting many examples, we show that these notions are different. After that, we state and prove some theorems which determine the relation
Publikováno v:
Proceedings Joint 9th IFSA World Congress and 20th NAFIPS International Conference (Cat. No. 01TH8569).
The subject is fuzzy linguistic hedging, used to modify membership functions. Our investigation will exceed the traditional definition given by Zadeh (and others), upon which our research is based. We present new and more general definitions for four
Autor:
M. Tafazoli, K. Demirli
Publikováno v:
Proceedings Joint 9th IFSA World Congress and 20th NAFIPS International Conference (Cat. No. 01TH8569).
This paper summarizes work undertaken in the area of modeling non-linearities such as hysteresis using subtractive clustering based Sugeno type fuzzy modeling approach. Two alternative approaches to developing a fuzzy model for hysteresis are propose
Autor:
M. Shimoda
Publikováno v:
Proceedings Joint 9th IFSA World Congress and 20th NAFIPS International Conference (Cat. No. 01TH8569).
We present a new and natural interpretation of fuzzy set theory in a cumulative Heyting valued model for intuitionistic set theory. By this interpretation we can consistently get various notions and properties of fuzzy sets, fuzzy relations and fuzzy
Autor:
J.M. Barone
Publikováno v:
Proceedings Joint 9th IFSA World Congress and 20th NAFIPS International Conference (Cat. No. 01TH8569).
/spl Omega/-sets and M-valued sets provide frameworks for investigations into categorical and algebraic properties of fuzzy sets as well as for generalizations of fuzzy sets. For the most part, such investigations have not considered the question of
Autor:
Cao Bing-yuan
Publikováno v:
Proceedings Joint 9th IFSA World Congress and 20th NAFIPS International Conference (Cat. No. 01TH8569).
This paper aims at turning a fuzzy posynomial geometric programming into another one with variables limited by upper and lower bounds. By the aid of fuzzy geometric inequality, the latter is to be changed into a monomial fuzzy posynomial geometric on
Autor:
J. Kortelainen
Publikováno v:
Proceedings Joint 9th IFSA World Congress and 20th NAFIPS International Conference (Cat. No. 01TH8569).
Usually, L-sets are understood to be functions an the universe U, where L is a complete lattice satisfying, perhaps some additional properties. However knowledge about the universe, e.g. topologies, may restrict us to determine level sets of L-sets.
Autor:
Kaoru Hirota, Yoshinori Arai
Publikováno v:
Proceedings Joint 9th IFSA World Congress and 20th NAFIPS International Conference (Cat. No. 01TH8569).
A car type recognition system, using methods of the R&FHPR/FF (Rough and Fuzzy Hierarchical Pattern Recognition using Fixation Feedback), infer just about correctly based on precise input data. Although, it is difficult, features are extracted comple