As a knowledge carrier involving the most abundant information ,patents are the main resources to support innovative design .Based on the analysis and arrange of patent information in the mechanical and electrical fields ,with the aid of TRIZ inventive principles and FBS's solving processes ,the technical parameters ,functional and inventive principle of the patent knowledge can be extracted as the innovative attributes of patent .Patent knowledge can be linked and organ-ized through calculating the relational grade of the patent .Designers can use semantic retrieval methods to obtain patent information from the system and be helped to produce various innovative design schemes .Finally ,an instance of the folding bike was demonstrated .% 专利作为一种包含信息较为丰富的知识载体，是支持创新设计的重要资源。基于对机电领域专利信息的分析与整理，结合TRIZ理论及FBS求解过程，对专利文件中所涉及的技术参数、功能以及发明原理进行分析和提取，通过计算专利知识间的关联度将提取后的专利知识进行关联组织，并构建了相应专利知识库原型系统。设计人员可以通过多种检索方式在系统中获得所需的专利知识信息，从而为产品创新设计提供支持。最后通过折叠自行车设计实例说明专利知识库的应用。
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