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A CAD Model Retrieval System Based on Design Intent

机译:基于设计意图的CAD模型检索系统

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With the 3D modeling technology increasingly mature, the 3D model data grows exponentially every year. The huge product data bring great challenge to the reuse of existing product design. It is the key for reuse model to capture the design intents of 3D models. Based on the 3D model data reuse, this paper proposes a CAD model retrieval system based on design intent. Firstly, the development status and existing problems of 3D model retrieval technology are introduced. Secondly, the framework of 3D model retrieval system is constructed and the module function of the retrieval system is analyzed. Then, the ontology semantic tree model is established based on the design knowledge in process of product design, analysis and manufacturing and a retrieval algorithm based on the ontology about the CAD model is designed. Finally, a comparative experiment between semantic retrieval and keyword retrieval is designed to verify the effectiveness of the semantic retrieval method.
机译:随着3D建模技术越来越成熟,3D模型数据每年都会呈指数增长。 巨大的产品数据对现有产品设计的重用带来了巨大挑战。 它是重用模型以捕获3D模型的设计意图的关键。 基于3D模型数据重用,本文提出了一种基于设计意图的CAD模型检索系统。 首先,介绍了3D模型检索技术的发展现状和存在的问题。 其次,构造了3D模型检索系统的框架,分析了检索系统的模块功能。 然后,设计了本体语义树模型,基于产品设计,分析和制造过程中的设计知识,并设计了基于CAD模型的本体的检索算法。 最后,设计语义检索和关键字检索之间的比较实验旨在验证语义检索方法的有效性。

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