Aggregation of two kinds of preference information considering consistency coordination

Focusing on the reciprocal judgment matrices and fuzzy complementary judgment matrices provided by decision-makers in the process of group decision-making, this article discusses a new method for aggregating the two kinds of preference information. In this paper, based on the test methods of individual consistency and group consistency, a correction model of consistency is established. And then this paper establishes an aggregation model of preference information according to the principle of minimum deviation. At last, the models are applied to determining the weights of performance evaluation indexes.