Investigating adequacy of interval type-2 fuzzy models in complex objects identification problems
DOI:
https://doi.org/10.20535/SRIT.2308-8893.2019.4.10Keywords:
type-2 fuzzy model, interval membership function, information identity measureAbstract
A method of building a set of type-2 fuzzy models with interval membership functions is proposed. The resulting set possesses the ability to generalize final results and is supported by experimental results. A procedure of generalizing interval outputs of fuzzy models from the obtained set is proposed. Apart from all the advantages of building fuzzy models based on experimental data, the proposed approach allows to account for multiple experts’ opinions, and based on that, to perform the correction of the input vector data. The final result is presented as an interval. Based on the interval’s width, it is possible to make conclusions on how adequately the model reflects the subject area. Using experimental research related to a practical problem of evaluating of how promising an artesian well is, it is shown that based on the obtained interval, that generalizes results of all models’ operation, it is possible to find an output value that would be satisfactory for solving the presented problem.References
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