知识推送是提高机械产品协同设计中知识获取效率的重要方式.通过分析机械产品协同设计中的知识内容及知识特点,研究了面向知识推送的机械产品协同设计知识库的构建；提出了一种基于实例库的知识推送方法,其推送思路是以设计实例检索触发,通过产品实例与其他知识的映射进行知识的推送；提出了机械产品协同设计知识推送的体系结构,并分析了其层次结构；研究了知识推送的流程及实现过程.%Knowledge push is an important way to improve the efficiency of knowledge acquisition for mechanical product collaborative design.By analyzing the knowledge content and characteristics for me - chanical product collaborative design, the construction of knowledge base for knowledge push in the process of mechanical product collaborative design was discussedA knowledge push method based on case library was proposed, the process of knowledge push was triggered by case retrieval and executed the knowledge push through by the mapping between the case and the other kind of knowledge.A knowledge push framework for mechanical product collaborative design was proposed and the layers were analyzed.The process of knowledge push and its realization were analyzed.
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