关键词: 设计变更, 加权产品开发网络, 节点重要性, 邻居核数, 控制策略

Abstract: To control complex products design change effectively, the influence of important nodes on complex product design changes is revealed in Complex Product Development（CPD） network. To identify important nodes, a weighted CPD network model is constructed, node importance ranking algorithm based on neighborhood coreness within the average path is proposed, in order to solve the non-comprehensive consideration of the process of ranking and the complexity of the algorithm process. The algorithm can consider the factors that affect the nodes importance comprehensively, more scientific, reasonable, simple and efficient to sort the nodes importance. On these basis, the control strategy of complex product design change from the important nodes is expounded. The effectiveness and rationality of the proposed method is verified through empirical study.

Key words: design change, weighted product development network, nodes importance, neighborhood coreness, control strategy