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CONCEPTUAL MODELING BASED ON LOGICAL EXPRESSION AND EVOLVEMENT
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作者 YI Guodong ZHANG Shuyou TAN Jianrong JI Yangjian 《Chinese Journal of Mechanical Engineering》 SCIE EI CAS CSCD 2007年第1期64-68,共5页
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... 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 fimction/logic/strucmre mapping model is set up. First, the fimction semantics is transformed into logical expressions through fimction/logic mapping. Second, the methods of logical evolvement are utilized to describe the fimction analysis, fimction/strucmre 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. 展开更多
关键词 Conceptual modeling function/logic/structure mapping Logical evolvement
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