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Journal Article

Citation

Shimizu Y, Jindo T. Int. J. Ind. Ergonomics 1995; 15(1): 39-47.

Copyright

(Copyright © 1995, Elsevier Publishing)

DOI

unavailable

PMID

unavailable

Abstract

As a basic research tool for modeling human sensitivity, we have developed a program for analyzing sensitivity evaluation data using a fuzzy regression method. This takes into account the ambiguities and nonlinearity of human sensations and thus provides a method for quantifying their correlations with physical characteristics. This was applied to a study of thermal sensation in a vehicle interior. Optimum membership functions were obtained that show the nonlinear relationship between each physical variable (e.g., air flow velocity, temperature and sun load) and thermal sensation. When a fuzzy regression analysis was performed using the membership functions, it was found that 85% of the evaluation scores that human subjects gave to various thermal sensations were included within the range of the estimated values.Relevance to industryWe have been conducting basic studies aimed at the creation of comfortable vehicle interiors. These studies have focused on the development of interiors matching human sensitivities by quantifying the correlations between human sensations and the physical characteristics of the interior which influence them using fuzzy logic analysis method.

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