| Mechanical Engineering and Mechanics |
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| Extraction and reuse of pattern configuration based on ontology and shape grammar |
| ZHANG Xin-wei1, WANG Jin1, LU Guo-dong1, FEI Shao-mei1, ZHANG Dong-liang2 |
1. State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou 310027, China;
2. International Design Institute, Zhejiang University, Hangzhou 310027, China |
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Abstract Concepts of configuration, pattern element, child-pattern and pattern were defined. The hierarchical expression model was built to describe pattern's construction and the ontology model was built to specify the relationship of pattern's attributes. Improved shape grammar was designed to express pattern configuration based on the imitation of natural language, and related manual/auto extracting methods were proposed. The reusing method was given in which ontological strains were used to avoid contour-overlapping. Combinational reusing design based on hierarchical expression model and gradual reusing design based on configuration rule parameters were demonstrated, bringing diversity to reusing results. According to experiments, these methods can extract and reuse pattern configuration effectively, so that rapid design of complex pattern can be achieved.
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Received: 29 October 2016
Published: 11 September 2018
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基于本体和形状文法的图案构形提取与重用
定义构形和图元、子图案、图案的概念；建立图案的层次表达模型以描述图案结构，建立图案本体模型以明确图案属性关系；模拟自然语言的语法结构以建立适用于形式化表达图案构形的改进形状文法，并基于该文法给出手动和自动提取构形的方法；提出构形规则重用方法，使用本体约束消除轮廓重叠，并给出基于层次表达模型的子图案组合重用设计与基于构形规则编码参数的图案渐变设计方法，使重用结果更加丰富.实验证明，所提出的方法能够有效地提取和重用图案的构形，实现复杂图案的快速设计.
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