A Choquet integral-based TODIM method for q-rung trapezoidal fuzzy numbers and its application in group decision-making  

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作  者:Benting Wan Juelin Huang 

机构地区:[1]Shenzhen Research Institute,Jiangxi University of Finance and Economics,Nanchang,China [2]School of Software and Internet of Things Engineering,Jiangxi University of Finance and Economics,Nanchang,China

出  处:《International Journal of Intelligent Computing and Cybernetics》2023年第3期545-573,共29页智能计算与控制论国际期刊(英文)

基  金:This work is funded in part by Department of Shenzhen Local Science and Technology Development(No:2021Szvup052).

摘  要:Purpose–The purpose of this paper is to develop a multi-attribute group decision-making(MAGDM)method under the q-rung orthopair trapezoidal fuzzy environment,which calculates the interaction between the criteria depending on the proposed q-rung orthopair trapezoidal fuzzy aggregation Choquet integral(q-ROTrFACI)and employ TODIM(an acronym in Portuguese of Interactive and Multi-criteria Decision Making)to consider the risk psychology of decision-makers,to determine the optimal ranking of alternatives.Design/methodology/approach–In MAGDM,q-rung orthopair trapezoidal fuzzy numbers(q-ROTrFNs)are efficient to indicate the quantitative vagueness of decision-makers.The q-ROTrFACI operator is defined and some properties are proved.Then,a novel similarity measure is developed by fusing the area and coordinates of the q-rung orthopair trapezoidal fuzzy function.Based on the above,a Choquet integral-based TODIM(CI-TODIM)method to consider the risk psychology of decision-makers is proposed and two cases are provided to prove superiority of the method.Findings–The paper investigates q-ROTrFACI operator to productively solve problems with interdependent criteria.Then,an approach is proposed to determine the center point of q–ROTrFNs and a q-rung orthopair trapezoidal fuzzy similarity is constructed.Furthermore,CI-TODIM method is devised based on the proposed q-ROTrFACI operator and similarity in q-rung orthopair trapezoidal fuzzy context.The illustration example of business models’solutions and hypertension health management are given to demonstrate the effectiveness and superiority of proposed method.Originality/value–Thepaperdevelops a novelCI-TODIMmethodthat effectivelysolves the MAGDM problems under the premise of fully considering the priority of criteria and the risk preference of decision-makers,which provides guiding advantages for practical decision-making and enriches the application of decision-making theory.

关 键 词:Multi-criteria group decision-making TODIM Choquet integral Q-rung orthopair trapezoidal fuzzy numbers 

分 类 号:O15[理学—数学]

 

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