JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) ›› 2025, Vol. 60 ›› Issue (1): 120-126.doi: 10.6040/j.issn.1671-9352.4.2023.0356

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q-rung orthopair fuzzy self-dual aggregation operator and its application

DU Wensheng   

  1. School of Business, Zhengzhou University, Zhengzhou 450001, Henan, China
  • Published:2025-01-10

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Abstract: To handle q-rung orthopair fuzzy multi-attribute decision making problems, an information fusion method is proposed based on the q-rung orthopair fuzzy self-dual aggregation operator, which is induced by the weighted power mean operator with its power being rung q. Some regular properties of this q-rung orthopair fuzzy aggregation operator are investigated, such as the idempotency, monotonicity and boundedness. The limiting case of this operator is examined as q approaches infinity, and the boundedness is precisely characterized by the monotonicity of weighted power means. The aggregation operator based approach is developed to deal with multi-attribute decision making problems under q-rung orthopair fuzzy environment. An illustrative example related to the venue selection for sporting events is proposed to show the effectiveness and feasibility of this approach. The influence of the parameter therein on the ranking results is discussed to demonstrate the robustness, and comparisons with some existing methods are presented, which implies the current method can maintain the final results with a simpler calculation.

Key words: q-rung orthopair fuzzy set, self-dual aggregation operator, multi-attribute decision making

CLC Number: 

  • O159
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