Mechanical Product Green Design Knowledge Update Based on Rough Set

Abstract

Abstract: In order to meet the green demands of modern product design， it is particularly important to update the knowledges of mechanical product green design in time. Based on ontology， the green design knowledges of mechanical products were expressed and the decision tables of green design knowledges of mechanical products were built through rough sets. The rules of green product design knowledges were extracted and the rule set of green design knowledges of mechanical products was established. Combined with the knowledge needs of designers， the knowledge update in the mechanical product green design processes was realized through the matching of green design knowledge rules. Finally， the proposed methodology was successfully applied to the piston green design knowledge processes update.

Key words: ontology, rough set, decision rule, green design, knowledge update

摘要： 为适时地对机械产品绿色设计知识进行新旧更替以满足现代产品设计的绿色需求，基于本体思想对机械产品绿色设计知识进行表达，通过粗糙集构建机械产品绿色设计知识决策表，提取机械产品绿色设计知识规则，形成机械产品绿色设计规则集;结合设计人员的知识需求，通过绿色设计知识规则匹配，实现机械产品绿色设计过程中知识的更新换代。最后以活塞的绿色设计知识更新过程的研究为例，验证了该方法的有效性。

关键词: 本体, 粗糙集, 决策规则, 绿色设计, 知识更新

CLC Number:

TH122

ZHANG Lei;ZHENG Chenxing;ZHONG Yanjiu;QIN Xu. Mechanical Product Green Design Knowledge Update Based on Rough Set[J]. China Mechanical Engineering.

张雷;郑辰兴;钟言久;秦旭. 基于粗糙集的机械产品绿色设计知识更新[J]. 中国机械工程.

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