关键词: 创新设计, 专利知识, 启发, 创新系统, 产品设计

Abstract: To assist designers to conduct innovative design with patent knowledge, a computer aided innovative (CAI) process based on patent knowledge was proposed for mechanical products. The realization strategy of several key techniques was discussed, including the patent retrieval, patent preprocessing, patent knowledge extraction and patent knowledge aided innovation technique. The patents which were conducive to generate the innovation could be acquired from online patent database through association-rule-based patent retrieval technique and the patent preprocessing technique which was based on classification algorithm and innovative evaluation method. Through extracting patent knowledge and combining with heuristic rules, a heuristic environment was constructed to stimulate innovations from designers. The CAI system of mechanical products based on patent knowledge was developed. The innovative design of a hydraulic cylinder with the structure of magnetic self-locking was illustrated to prove the effectiveness of the system.

Key words: innovative design, patent knowledge, heuristic, innovation system, product design