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论文摘要

混合案例推理机制在变型设计中的应用

Application of Hybrid Case Reasoning in Variant Design

作者:李海庆(四川大学 制造科学与工程学院 ,四川 成都 610065);殷国富(四川大学 制造科学与工程学院 ,四川 成都 610065);方辉(四川大学 制造科学与工程学院 ,四川 成都 610065)

Author:(School of Manufacturing Sci. and Eng., Sichuan Univ., Chengdu 610065, China);(School of Manufacturing Sci. and Eng., Sichuan Univ., Chengdu 610065, China);(School of Manufacturing Sci. and Eng., Sichuan Univ., Chengdu 610065, China)

收稿日期:2006-01-20          年卷(期)页码:2007,39(2):164-169

期刊名称:工程科学与技术

Journal Name:Advanced Engineering Sciences

关键字:混合案例推理;变型设计;CBR;模糊集;SCBR

Key words:hybrid case reasoning; variant design; CBR; Fuzzy set; SCBR

基金项目:国家自然科学基金资助项目(50575153);高等学校博士学科点专项科研基金(20060610033)

中文摘要

为了将智能技术有效地应用在CAD设计领域,提出了一种支持基于特征的产品变型设计和改写知识自学习的混合案例推理机制。该混合机制以CBR为基础,综合了模糊集理论和SCBR(secondary CBR)技术。其中模糊集理论被用来进行相似性匹配从而降低噪音在案例检索时的干扰,SCBR技术用来实施对案例的修改和重用。应用实例表明,在变型设计中使用这种混合机制可以为设计人员提供有效的设计决策并降低其对相关领域知识的依赖程度。

英文摘要

To apply the intelligence technology in CAD design domain effectively, a hybrid case reasoning mechanism, which supports product variant design based feature and the self learning of adaptation knowledge, was proposed. The mechanism was based on CBR and combined Fuzzy set theory and SCBR(secondary CBR)together. Fuzzy set theory was employed to perform approximate matching and thus to reduce potential noise in case retrieval, and the SCBR technology was used to implement the adaptation and reuse for case. The application result showed that the hybrid mechanism could provide the designers with effective design decision and reduce the requirement of correlative domain knowledge for them.

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