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出 处:《塑料》2007年第3期80-84,共5页Plastics
摘 要:论述了基于CBR(Case Based Reasoning)模架设计的基本原理以及工作过程。阐明了模架事例的组成、表达内容、表达形式以及在事例库中的组织,并将数据库技术应用于事例数据的管理。基于特征提取技术,建立了事例库的特征索引,并给出了初步的权值。以最近邻策略为检索手段,给出了相似度计算公式。以Visual Basic语言为软件开发语言,编制了检索界面。最后给出了一个应用实例,说明系统工作过程。The basic principle of CBR and the work progress of injection moldbase design were reviewed. The content, expression of moldbase case and its structure in casebase were illustrated. The technique of database was applied to the management of data. The index of character was formed and given to the numerical value of the original power. The nearest neighbors method retrieval was introduced and mathematic formula of similitude was given. By the visual basic program language, the retrieval interface was formed. Lastly, a moldbase design case was given to show the work progress.
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