基于专利知识图谱的产品创新概念设计方法

To solve the problems of long product design cycle, limited objectivity of product function solution and lack of effective conceptual design aids in current product conceptual design, a product innovation conceptual design method based on patent knowledge graph was proposed. A patent knowledge construction technology oriented to conceptual design was developed, where design knowledge was defined as Subject-Action-Object (SAO) structure. Entities and their relationships were extracted automatically by Bidirectional Long Short Term Memory (BiLSTM), and then the graph was completed by using relational reasoning model based on graph theory and logical regression. Using the concept generation technology combined with product function expression model and network analysis method, the product concept generation and innovation evaluation were realized. The method was applied to generate the Automated Guided Vehicle (AGV) design scheme automatically, which proved the effectiveness of the proposed method.