Results 201 to 210 of about 120,774 (263)

Membership function as an evaluation

Fuzzy Sets and Systems, 1990
This paper is devoted to the membership functions of fuzzy sets. First, the author presents different kinds of mathematical forms of the membership functions. Next, he extracts the different demands and determines the rational class of membership functions. Finally, he shows the connections between evaluation operators and membership functions.
exaly   +2 more sources

Why Sine Membership Functions

2022
In applications of fuzzy techniques to several practical problems -- in particular, to the problem of predicting passenger flows in the airports -- the most efficient membership function is a sine function; to be precise, a portion of a sine function between the two zeros. In this paper, we provide a theoretical explanation for this empirical success.
Sofia Holguin   +4 more
openaire   +1 more source

On elicitation of membership functions

IEEE Transactions on Systems, Man, and Cybernetics - Part A: Systems and Humans, 2002
In this study, we elaborate on an important issue of membership function determination. The main point is that any membership estimation procedure should reconcile the semantics of a fuzzy set (regarded as an information granule arising at some level of information abstraction) with the experimental evidence conveyed by numeric data.
Witold Pedrycz, George Vukovich
openaire   +1 more source

Learning membership functions

2005
An efficient method for learning membership functions for fuzzy predicates is presented. Positive and negative examples of one class are given together with a system of classification rules. The learned membership functions can be used for the fuzzy predicates occurring in the given rules to classify further examples.
Bergadano F, CUTELLO, Vincenzo
openaire   +2 more sources

Construction of differentiable membership functions

Fuzzy Sets and Systems, 1999
In many applications of fuzzy controller it is essential to have a smooth transfer function. Therefore it is desirable to form smooth membership functions with only few parameters. The authors propose a class of symmetrical and asymmetrical membership functions of exponential type.
Adolf Grauel, Lars A. Ludwig
openaire   +1 more source

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