Most complex decisions involve several stakeholders and therefore need to be solved using a group multi-criteria decision method. However, stakeholders or decision-makers often have divergent views, especially in the environmental sector. In order to integrate this divergence, a new group fuzzy PROMETHEE approach is introduced to combine the traditional environmental criteria of life cycle assessments with social and economic criteria. The modelling of uncertainty within the group of decision-makers using a fuzzy approach makes this method unique. The proposed fuzzy approach differs significantly from the standard one. The decision-makers express their judgments in crisp forms. In order to take into account the intrinsic dispersion of judgments within the group, a posteriori fuzzification procedure is applied. The crisp values are not simply aggregated; they are converted into a triangular fuzzy number based on the given evaluations. As a consequence, the definition of fuzzy membership functions, as required in standard fuzzy logic, is not required, which simplifies the process and makes it more reliable. The new approach is illustrated with a real case study concerning the selection of the best waste treatment solution in a natural park from among a traditional incinerator and an innovative integrated plant.
|Data di pubblicazione:||2016|
|Titolo:||Waste treatment: an environmental, economic and social analysis with a new group fuzzy PROMETHEE approach|
|Autori:||Lolli, Francesco; Ishizaka, Alessio; Gamberini, Rita; Rimini, Bianca; Ferrari, Anna Maria; Marinelli, Simona; Savazza, Roberto|
|Appare nelle tipologie:||Articolo su rivista|
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