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    Please use this identifier to cite or link to this item: http://ir.lib.ksu.edu.tw/handle/987654321/3320

    Title: Knowledge Representation and Reasoning Methodology based on CBR Algorithm for Modular Fixture Design
    Authors: SunShu Huang (孫書煌)
    ChenJahau Lewis
    Keywords: CBR
    Modular fixture
    Knowledge representation
    Date: 2009-03-18
    Issue Date: 2009-08-14 00:16:40 (UTC+8)
    Abstract: CBR algorithm provides a better knowledgetransfer and explanation than rule-based inference. Itsolves new problems by adapting solutions that wereused to solve old problems. Based on CBR algorithm,a methodology applied in modular fixture design andfocus on workpiece locating is proposed in this study.A similar solution can be retrieved from pastexperiences. Evaluation is applied for this retrievedcase by checking degrees of freedom (DOF) todetermine whether it is satisfactory for a new problemand some components would be replaced if it is not.According to this methodology, a computer-aidedmodular fixture design system can be established infuture. In the system, three sub-bases would beincluded. Data base stores many function structuresthat are assembled by modular components to completesome functions. Knowledge base stores thequalitative knowledge that is required in consideringthe location of the workpieces. Case base storesprevious successful design cases that can be applied todevelop a new solution. MOP-based memorytechnique is applied to organize these complex data,knowledge and case base. A demonstrated example isfinally provided in this study to illustrate how thismethodology works.This methodology principally focuses oninference process of case evaluation and modification.This is the most important and difficult issue on CBR algorithm. In the evaluation of workpiece locating,geometry recognition play a critical role. Featurerecognition is beyond this study and then too detaildiscussion about that would not be given here. Forthis reason, the methodology can handle simplegeometry workpiece only presently.
    Relation: 中國機械工程學刊第二十八卷第六期第593~604 頁(民國九十六年)
    Appears in Collections:[機械工程系所] 期刊論文

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