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考虑决策者对风险型混合多属性评价结果的信任程度不同,提出基于前景理论和改进投影理论的群决策方法.建立一个数组以描述在不同信任度下群决策专家的评价结果,并将数组中混合数据类型转化为三角模糊数.在考虑决策者信任度的前提下集结群信息、确定属性权重.引入综合前景价值和考虑权重的投影相对接近度两种方法对方案进行排序.最后通过实例表明了所提出方法的合理性和有效性.
Considering the different degree of trust of decision makers in the risk-based mixed multiple attribute evaluation, a group decision-making method based on the prospect theory and the improved projection theory is proposed. An array is established to describe the evaluation results of the group decision-makers under different trust levels, Mixed data type into triangular fuzzy number.Under the premise of considering the confidence of decision makers, the group information is determined to determine the weight of the attribute.Improved the comprehensive foreground value and the relative degree of projection considering the relative proximity of the two methods to sort the programs.Finally, The proposed method is reasonable and effective.