机械产品方案设计的可拓本体相关网推理模型  

Reasoning Model for Mechanical Product Scheme Design Based on Extensional Ontology Related Network

作　　者：王体春[1] 华洋 秦家祺 WANG Tichun;HUA Yang;QIN Jiaqi(College of Mechanical and Electrical Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,Jiangsu,China)

机构地区：[1]南京航空航天大学机电学院,南京江苏210016

出　　处：《华南理工大学学报（自然科学版）》2020年第9期61-70,共10页Journal of South China University of Technology(Natural Science Edition)

基　　金：国家自然科学基金资助项目(51775272,51005114);中国国家留学基金委资助项目(201906835046)。

摘　　要：针对复杂产品方案设计中的关联约束可拓推理问题,本研究提出了一种基于可拓本体相关网的复杂产品方案设计可拓推理模型。首先,建立了复杂产品方案设计可拓本体模型,并进行了可拓本体相关性分析;其次,通过领域知识获得产品方案设计方向,建立可拓本体特征的可拓关联函数,并基于信息模型建立可拓本体相关网;然后,给出了基于可拓本体相关网的方案设计可拓推理算法,通过进行设计方向多层级灰关联聚类分析和基于可拓本体相关网的关联度计算分析,进而获得满足设计需求的初始产品设计方案。最后,通过水轮机设计实例对文中的模型和算法进行了说明和验证分析,结果表明了模型和算法的有效性和可行性。An extensional reasoning model for complex product scheme design based on extension ontology correlation related network was put forward to solve the extension reasoning issue of relevant constraints in complex pro-duct scheme design.Firstly,an extensional ontology model for complex product scheme design was constructed,and the relativity of extensional ontology was analyzed.Secondly,the direction of product scheme design was obtained through domain knowledge,and the extension correlation function of extension ontology features was proposed.The extensional ontology correlation network was constructed based on the information model.Then,an extension reasoning algorithm for scheme design based on extensional ontology related network was presented.The initial product design scheme meeting design requirements was obtained through multi-level grey relational clustering analysis of design direction and relational degree calculation analysis based on extensional ontology related networks.Finally,the models and the algorithms were illustrated and validated by a design case of hydro turbine.The results show that the models and the algorithms are effective and feasible.

关 键 词：知识工程 概念设计 人工智能 可拓本体 可拓推理 

分 类 号：TP311[自动化与计算机技术—计算机软件与理论] TH122[自动化与计算机技术—计算机科学与技术]