| CONCEPTUAL MODELING BASED ON LOGICAL EXPRESSION AND EVOLVEMENT |
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| 作者姓名： | YI Guodong ZHANG Shuyou TAN Jianrong JI Yangjian State Key Laboratory of CAD & CG Zhejiang University Hangzhou China |
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| 作者单位： | YI Guodong ZHANG Shuyou TAN Jianrong JI Yangjian State Key Laboratory of CAD & CG，Zhejiang University，Hangzhou 310027，China |
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| 基金项目： | 国家自然科学基金
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浙江省自然科学基金
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Specialized Research Fund for the Doctoral Program of Higher Education |
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| 摘 要： | Aiming at the problem of abstract and polytype information modeling in product conceptual design, a method of conceptual modeling based on logical expression and evolvement is presented. Based on the logic expressions of the product conceptual design information, a function/logic/structure mapping model is set up. First, the function semantics is transformed into logical expressions through function/logic mapping. Second, the methods of logical evolvement are utilized to describe the function analysis, function/structure mapping and structure combination. Last, the logical structure scheme is transformed into geometrical sketch through logic/structure mapping. The conceptual design information and modeling process are described uniformly with logical methods in the model, and an effective method for computer aided conceptual design based on the model is implemented.
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| 关 键 词： | 概念制作模型 CAD 计算机辅助设计 机械设计 |
CONCEPTUAL MODELING BASED ON LOGICAL EXPRESSION AND EVOLVEMENT |
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| YI Guodong ZHANG Shuyou TAN Jianrong JI Yangjian State Key Laboratory of CAD & CG,Zhejiang University,Hangzhou ,China.CONCEPTUAL MODELING BASED ON LOGICAL EXPRESSION AND EVOLVEMENT[J].Chinese Journal of Mechanical Engineering,2007,20(1):64-68. |
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| Authors: | YI Guodong ZHANG Shuyou TAN Jianrong JI Yangjian |
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| Abstract: | Aiming at the problem of abstract and polytype information modeling in product conceptual design, a method of conceptual modeling based on logical expression and evolvement is presented. Based on the logic expressions of the product conceptual design information, a function/logic/structure mapping model is set up. First, the function semantics is transformed into logical expressions through function/logic mapping. Second, the methods of logical evolvement are utilized to describe the function analysis, function/structure mapping and structure combination. Last, the logical structure scheme is transformed into geometrical sketch through logic/structure mapping. The conceptual design information and modeling process are described uniformly with logical methods in the model, and an effective method for computer aided conceptual design based on the model is implemented. |
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| Keywords: | Conceptual modeling Function/logic/structure mapping Logical evolvement EVOLVEMENT EXPRESSION BASED MODELING effective methods computer aided process scheme sketch combination function analysis semantics structure mapping modeling logic expressions information |
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