机械结构对称性实例设计知识挖掘方法研究  

Data mining method for design knowledge in mechanical structure symmetry instances

作　　者：杨俊成[1,2] 马志勇[1,2] 张太霞 YANG Jun-cheng MA Zhi-yong ZHANG Tai-xia(Faculty of Mechanical Engineering ＆ Mechanics, Ningbo University , Ningbo 315211, China Zhejiang Provincial Key Lab of Part Rolling Technology, Ningbo 315211, China)

机构地区：[1]宁波大学机械工程与力学学院,浙江宁波315211 [2]浙江省零件轧制成形技术研究重点实验室,浙江宁波315211

出　　处：《机电工程》2017年第2期105-109,114,共6页Journal of Mechanical & Electrical Engineering

基　　金：国家自然科学基金资助项目(51305213)

摘　　要：针对机械结构对称性实例中存在着大量的设计知识,利用多维模糊数据挖掘的方法从结构对称性实例中挖掘了设计知识,用以指导结构对称性在机械产品结构设计中的科学应用。提出了根据设计需求结合隶属函数特征对实例数据库中待挖掘的数据模糊化处理,借助关联规则挖掘方法 Apriori算法对预处理后的数据库进行了挖掘。挖掘出了结构对称性和产品功能区间、性能区间及约束区间之间的模糊关联规则。结果表明:通过对结构对称性实例进行数据挖掘,建立结构对称性在机械系统中实用的设计知识,是以后进一步研究机械结构对称性应用规律和应用方法的坚实基础。Aiming at a lot of design knowledge in mechanical structure symmetry instances,by using the multidimensional fuzzy association rules mining method,design knowledge was mined from structure symmetry instances to guide the scientific application of structure symmetry in mechanical product design. The data to be mined in mechanical structure symmetry instance database was processed by fuzzy method based on the design requirements and the characteristics of the membership function,and the association rules mining algorithm Apriori was used to mine the fuzzy association rules. The mining results include the relationships among the structural symmetry,the mechanical product function,the mechanical product performance and the design restriction. The results indicate that the practicable structural symmetry design knowledge in mechanical systems is established by mining the structure symmetry instances,and the reference of further research on the application rules and application methods of mechanical structure symmetry.

关 键 词：机械结构对称性 数据挖掘 隶属函数 模糊关联规则 设计知识 

分 类 号：TH122[机械工程—机械设计及理论]