Dynamic hybrid multi-attribute group decision making method based on trapezoidal fuzzy number
Based on trapezoidal fuzzy number information environment,the problem of dynamic mixed multi-attribute group decision making is studied.The transformation method of trapezoid fuzzy number and the weighted synthesis method of trapezoid fuzzy number information are given,and the dynamic trapezoid fuzzy weighted geometric operator is defined.The weight of decision-makers is determined by using different expert distance deviation and minimization methods.The attribute weight is determined by using deviation maximization model.The time weight is calculated based on entropy weight method and Orness measure weighting method.On this basis,a dynamic hybrid multi-attribute group decision-making method based on VIKOR method is proposed and the feasibility and effectiveness of the method is verified by a numerical example.
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