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Multi-strategies in Case Based Design Knowledge Management on Web

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【作者】 刘溪涓王英林蒋寿伟

【Author】 LIU Xi-juanSchool of Mechanical Engineering, Shanghai Jiaotong University, Shanghai, 200030WANG Ying-linDepart of Comput. Sci. and Eng. , Shanghai Jiaotong University, Shanghai, 200030JIANG Shou-weiSchool of Mechanical Engineering, Shanghai Jiaotong University, Shanghai, 200030

【机构】 School of Mechanical EngineeringShanghai Jiaotong UniversityShanghai200030Depart of Comput. Sci. and Eng.200030

【摘要】 <正> Design knowledge management is very important toimprove the design process performance. The casebased design (CBD) is a methodology to followmankind’s problem solving strategy, one of its aims isto realize the design knowledge reuse. This methodhas been used in many fields, but there are still somedifficulties that hindered its application. The first isabout the difficulty in the formalization of a designcase, especially representation of some experiencesthat was the weakness in former researches. The

【Abstract】 Design knowledge management is very important toimprove the design process performance. The casebased design (CBD) is a methodology to followmankind’s problem solving strategy, one of its aims isto realize the design knowledge reuse. This methodhas been used in many fields, but there are still somedifficulties that hindered its application. The first isabout the difficulty in the formalization of a designcase, especially representation of some experiencesthat was the weakness in former researches. The second is about the bottleneck of knowledge-acqulsition that results in lacking enough knowledge in the modification process.which may lead to unreliable results when automatic inference is applied.We proposed that modification should be done not by machines but by designers while the inference results can be used as a suggestion to designers.In this manner we integrated both case.based and rule-based methodologies together.The third difficulty relates to case evolution and customization.former CBD systems suffered from this problem.We proposed an agile case-template technique that overcomes the problem perfectly.To make users be able to define their own similarity rules we allow users to choose different parameter weights and fuzzy subjection functions of numeric parameters.The approach of this paper has been applied to an enterprise and the system is built on the Web.

【基金】 Supported by National High Technolgy Development Plan(2002AA411420)
  • 【文献出处】 Journal of DongHua University ,东华大学学报(英文版) , 编辑部邮箱 ,2003年01期
  • 【分类号】TP399
  • 【被引频次】1
  • 【下载频次】33
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