Fuzzy comprehensive evaluation method of the importance ratings of customers' requirements

Abstract

This paper deals with customers' requirements information based on fuzzy set theory, constructs fuzzy judgment matrix between customers' requirements and technical performance of products, and determines product technical performance weighting through fuzzy analytic hierarchy process. At the same time, it constructs the market competitiveness evaluation matrix, uses entropy method to analysis the market competitiveness weighting, and determines the indexes weighting of market competitiveness. Directing at the risk of product innovation, this paper constructs the risk evaluation model and calculates the weighting of product innovation risk. Finally, combining with the weightings of product technical performance, market competitiveness, product innovation risk and customers' requirements of subjective decision, the final importance ratings of customers' requirements will be determined by the evaluation model with multiple weighting vector structure. And a case of comprehensive evaluation method of the importance ratings of customers' requirements about the innovative design of numerical control machine is provided to verify the accuracy and feasibility of this evaluation method. © Springer-Verlag Berlin Heidelberg 2010.