This model is based on the multiple attribute utility theory, the artificial intelligence, the fuzzy set theory and the decision analysis theory . in order to build this model the concept and inductive method of objective utility is used as well as a comprehensive analysis method on determining the coefficients is introduced 該模型的建立以多屬性效用理論、模糊集理論和決策分析的有關(guān)理論為依據(jù),使用了目標效用的概念及其歸納方法、復(fù)式效用模型和一種較為新穎的權(quán)重系數(shù)綜合分析方法,并綜合了專家調(diào)查意見。