AGGREGATION OF FUZZY NUMBERS IN A DECISION-MAKING SITUATION |
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| Authors: | Vania Peneva Ivan Popchev |
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| Affiliation: | Institute of Information Technologies, Bulgarian Academy of Sciences, Bulgaria |
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| Abstract: | The fuzzy logic operators are used to decide the following multicriteria decision-making problem. A finite set of alternatives is evaluated by a set of fuzzy criteria, i.e., the alternatives' estimations are fuzzy numbers. An aggregation procedure mapping each m -tuple of fuzzy numbers into one fuzzy number, which represents the alternative according to the whole set of criteria, is presented. As functions of this mapping some known fuzzy logic operators are used. A method for comparison of ordinary fuzzy numbers, based on f -level subareas, is proposed. This method gives a possibility to decide ranking or choice problem. A numerical example is given as well. |
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