Application of Fuzzy Numbers to Assessment of Human Skills

Michael Gr. Voskoglou
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Michael Gr. Voskoglou: Department of Mathematical Sciences, Graduate Technological Educational Institute (T. E. I.) of Western Greece, Patras, Greece

International Journal of Fuzzy System Applications (IJFSA), 2017, vol. 6, issue 3, 59-73

Abstract: Fuzzy logic, due to its nature of characterizing the ambiguous cases with multiple values, offers rich resources for dealing with assessment situations, a fact that gave us several times in past the impulse to apply its principles for such kind of situations. Fuzzy Numbers (FNs) play a fundamental role in fuzzy mathematics, analogous to the role played by the ordinary numbers in classical mathematics. In the present paper, the author utilizes a combination of the Triangular and Trapezoidal FNs with the Center of Gravity Defuzzification technique for assessing human skills. The results are illustrated by suitable examples (student and basketball players' assessment), while the author's method is compared with assessment methods of the bivalent and fuzzy logic that has been already used in earlier works.

Date: 2017
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