A large-scale group decision-making method for site selection of waste to energy project under interval type-2 fuzzy environment

2021 ◽  
pp. 103003
Author(s):  
Xiaohong Pan ◽  
Yingming Wang ◽  
Kwai-Sang Chin
Keyword(s):  
Decision Making ◽  
Group Decision Making ◽  
Site Selection ◽  
Large Scale ◽  
Group Decision ◽  
Waste To Energy ◽  
Fuzzy Environment ◽  
Interval Type ◽  
Selection Of

A new multi-criteria group decision-making method based on consensus mechanism in an interval type-2 fuzzy environment

2021 ◽  
pp. 1-19
Author(s):  
Hongyan Li ◽  
Peng Wu ◽  
Ligang Zhou ◽  
Huayou Chen
Keyword(s):  
Decision Making ◽  
Similarity Measure ◽  
Group Decision Making ◽  
Group Decision ◽  
Consensus Problem ◽  
Entropy Weight ◽  
Fuzzy Environment ◽  
Consensus Measure ◽  
Interval Type

The consensus problem is a very important aspect of group decision making (GDM). In order to deal with the multiple criteria group decision consensus problem in the interval type-2 fuzzy environment, a consensus measure based on similarity measurement is proposed in this paper. In this paper, first, a new similarity measure of two interval type-2 fuzzy sets (IT2FSs) is defined and the consensus measure is defined by the similarity measure between two IT2FSs. Then, a new consensus feedback mechanism is proposed. In the stage of alternatives selection, the entropy of IT2FSs is defined, and the entropy weight method is used to determine the weights of the criteria. Finally, the feasibility of the method proposed in this paper is illustrated by a comprehensive evaluation of old-age institutions.

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