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    An investigation into alternative methods for the defuzzification of an interval type-2 fuzzy set.

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    Date
    2006-04-24
    Author
    Coupland, Simon;
    John, Robert, 1955-
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    Abstract
    The number of applications of interval type-2 fuzzy logic to real world problems is growing. To date such systems have used type-reduction or an approximation of typereduction to arrive at final crisp output from the system. This paper describes the novel direct defuzzifier for interval type-2 fuzzy sets. A number of fuzzy systems are compared with direct defuzzifier. We compare each defuzzifiers output surface in a simple rule-based system. The direct defuzzifier compares favourably with the type-reduction method under the minimum t-norm. Also, we found that the non-stationary approach provided interesting results.
    Description
    Citation : Coupland, S. and John, R.I. (2006) An investigation into alternative methods for the defuzzification of an interval type-2 fuzzy set. 2006 IEEE International Conference on Fuzzy Systems, pp. 1425-1432.
    URI
    http://hdl.handle.net/2086/67
    ISBN : 9780780394889
    ISSN : 1544-5615
    Research Group : Centre for Computational Intelligence
    Research Institute : Institute of Artificial Intelligence (IAI)
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