Discriminant analysis of fuzzy data and its application to gas sensor system

Discriminant analysis of fuzzy data and its application to gas sensor system

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Article ID: iaor19911321
Country: Japan
Volume: 1
Issue: 1
Start Page Number: 189
End Page Number: 195
Publication Date: Nov 1989
Journal: Journal of Japan Society For Fuzzy Theory and Systems
Authors: , ,
Abstract:

In the conventional discriminant analysis, attribute values of each sample are represented by a point in a multi-dimensional feature space. In this paper, the authors propose a discriminant method for fuzzy data where attribute values of each sample are represented by a fuzzy number vector in the feature space. The proposed method is based on a fuzzy linear discriminant function which maps the fuzzy number vector into a fuzzy number in a one-dimensional decision space. A mathematical programming program, which can be solved using the linear programming technique, is formulated to determine the coefficients of the discriminant function. For the application of the proposed method, the authors discriminate the fuzzy response patterns of nine different gases measured by nine different gas sensors. [In Japanese.]

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