Purpose – The paper aims to research the multi‐attribute decision‐making in which the attribute values are interval grey numbers and the maximum probability of the value of grey number is known. Design/methodology/approach – First, the authors define deviation degree and dominance relation of three‐parameter interval grey number and get the equivalence between the dominance relation of decision‐making object and the sum of three values of three‐parameter interval grey number. Then, considering the uncertainty of goal weight, the authors construct multi‐index optimization model based on deviation degree and get the goal weight. Findings – The authors prove the rationality and effectiveness of decision‐making methods by examples and give a new thought for grey multi‐attribute decision‐making methods. Originality/value – As a paper research on theory, it offered a new multi‐attribute decision‐making method with three‐parameter interval grey number.
Grey Systems: Theory and Application – Emerald Publishing
Published: Oct 25, 2013
Keywords: Grey models for decision making; Grey control systems
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