基于加工意图的机加工艺知识重用方法研究
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摘要
为了解决目前工艺知识重用方法存在的问题,强化工艺知识重用时工艺员的主观能动性,满足工艺员对工艺知识的个性化、多元化需求,以MBD工序模型几何演变过程中蕴含的工艺知识为研究对象,提出基于加工意图的工艺知识重用方法。给出了加工意图的建模方法,加工意图的几何演变、工艺语义信息的捕捉方法以及加工意图的降维处理方法。提出多属性融合的加工意图与MBD工艺知识元的相似性加权评价方法,并进行了实例验证。
In order to resolve the problems of current process knowledge reuse methods, strengthen the initiative and meet the personalized, diversified demands of crafts in the research of process knowledge reuse process, process knowledge contained in geometric evolution of MBD process model is as an object, process knowledge reuse method based on machining intent is proposed. Modeling methods, geometric evolution and process semantic information capture methods, dimensionality reduction method of machining intent are given. Finally, a integration of multi-attribute similarity measurement method between machining intent and MBD process knowledge unit is proposed, the example of verification is also given.
In order to resolve the problems of current process knowledge reuse methods, strengthen the initiative and meet the personalized, diversified demands of crafts in the research of process knowledge reuse process, process knowledge contained in geometric evolution of MBD process model is as an object, process knowledge reuse method based on machining intent is proposed. Modeling methods, geometric evolution and process semantic information capture methods, dimensionality reduction method of machining intent are given. Finally, a integration of multi-attribute similarity measurement method between machining intent and MBD process knowledge unit is proposed, the example of verification is also given.
引文
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[16]姜华,韩安琪,王美佳,等.基于改进编辑距离的字符串相似度求解算法[J].计算机工程,2014,40(1):222-227JIANG Hua,HAN Anqi,WANG Meijia,et al.Solution algorithm of string similarity based on improved levenshtein distance[J].Computer Engineering,2014,40(1):222-227.
[17]周汉平.Levenshtein距离在编程题自动评阅中的应用研究[J].计算机应用与软件,2001,28(5):209-212.ZHOU Hanping.Study on application of levenshtein distance in programming test automatic scoring[J].Computer Applications&Software,2011,28(5):209-212.
[18]黄瑞,张树生,白晓亮,等.融合制造语义的三维CAD模型检索方法[J].计算机集成制造系统,2013,19(6):1177-1185.HUANG Rui,ZHANG Shusheng,BAI Xiaoliang,et al.Manufacturing semantics based 3D CAD model retrieval method[J].Computer Integrated Manufacturing Systems,2013,19(6):1177-1185.
[2]皇甫中民,张树生,闫雒恒.鱼群启发的三维CAD模型聚类与检索[J].计算机辅助设计与图形学学报,2016,28(8):1373-1382.HUANGFU Zhongmin,ZHANG Shusheng,YAN Luoheng.3D CAD model clustering and retrieval inspired by fish swarm[J].Journal of Computer-Aided Design&Computer Graphics,2016,28(8):1373-1382.
[3]仉铮.基于图论的三维CAD模型检索技术研究[D].哈尔滨:哈尔滨理工大学,2014.ZHANG Zheng.3D CAD model retrieval based on graph theory[D].Harbin:Harbin University of Science and Technology,2014.
[4]CHANG H C,DONG L,LIU F X,et al.Indexing and retrieval in machining process planning using case-based reasoning[J].Artificial Intelligence in Engineering,2000,14(1):1-13.
[5]胡淑慧,杨海成,张招建,等.三维工序模型几何演变序列的相似性度量[J].计算机辅助设计与图形学学报,2014,26(7):1176-1183.HU Shuhui,YANG Haicheng,ZHANG Zhaojian,et al.Simi-larity measure of the geometry change sequence of three-dimensional process model[J].Journal of Computer-Aided Design&Computer Graphics,2014,26(7):1176-1183.
[6]李春磊,莫蓉,常智勇,等.几何演变驱动的机加工艺知识表示与推送[J].计算机集成制造系统,2016,22(6):1434-1446.LI Chunlei,MO Rong,CHANG Zhiyong,et al.Knowledge representation and push of machining process driven by geometric variation[J].Computer Integrated Manufacturing Systems,2016,22(6):1434-1446.
[7]王英伟,莫蓉,万能.多粒度机械加工设计意图建模方法研究[J].工具技术,2014,48(6):31-35.WANG Yingwei,MO Rong,WAN Neng.Multigranularity modeling method of machining design intent[J].Tool Engineering,2014,48(6):31-35.
[8]刘晨,殷国富,龙红能.制造工艺知识粒度描述方法与获取算法研究[J].计算机集成制造系统,2008,14(10):1966-1973.LIU Chen,YIN Guofu,LONG Hongneng.Description and discovery method of manufacture process knowledge granularity[J].Computer Integrated Manufacturing Systems,2008,14(10):1966-1973.
[9]肖棋,林俊义.STL文件格式在反求造型中的应用[J].华侨大学学报,2006,27(3):284-287.XIAO Qi,LIN Junyi.The application of STL file format in reverse engineering[J].Journal of Huaqiao University,2006,27(3):284-287.
[10]纪峰,李占利.基于STL文件的拓扑重构新方法[J].湖南科技学院学报,2006,27(5):154-157.JI Feng,LI Zhanli.A novel method for the topological reconstruction based on STL files[J].Journal of Hunan University of Science&Engineering,2006,27(5):154-157.
[11]王建新,王从军,黄树槐.基于STL文件格式的线框模型算法的研究与实现[J].机械与电子,2002(3):28-30.WANG Jianxin,WANG Congjun,HUANG Shuhuai.Research and implement on the algorithms of the wireframe based on the STL format[J].Machinery&Electronics,2002(3):28-30.
[12]MCWHERTER D T,PEABODY M,REGLI W C,et al.Solid model databases:Techniques and empirical results[J].Journal of Computing and Information Science in Engineering,2001,1(4):300-310.
[13]BUNKE H.On a relation between graph edit distance and maximum common subgraph[J].Pattern Recognition Letters,1997,18(9):689-694.
[14]WAGNER R A,FISCHER M J.The string-to-string correction problem[J].Journal of the ACM,1974,21(1):168-173.
[15]张欣,莫蓉,石源,等.基于字符串度量的CAD模型相似性比较算法[J].中国机械工程,2009,20(20):2435-2440.ZHANG Xin,MO Rong,SHI Yuan,et al.String-based CAD models similarity assessment algorithm[J].China Mechanical Engineering,2009,20(20):2435-2440.
[16]姜华,韩安琪,王美佳,等.基于改进编辑距离的字符串相似度求解算法[J].计算机工程,2014,40(1):222-227JIANG Hua,HAN Anqi,WANG Meijia,et al.Solution algorithm of string similarity based on improved levenshtein distance[J].Computer Engineering,2014,40(1):222-227.
[17]周汉平.Levenshtein距离在编程题自动评阅中的应用研究[J].计算机应用与软件,2001,28(5):209-212.ZHOU Hanping.Study on application of levenshtein distance in programming test automatic scoring[J].Computer Applications&Software,2011,28(5):209-212.
[18]黄瑞,张树生,白晓亮,等.融合制造语义的三维CAD模型检索方法[J].计算机集成制造系统,2013,19(6):1177-1185.HUANG Rui,ZHANG Shusheng,BAI Xiaoliang,et al.Manufacturing semantics based 3D CAD model retrieval method[J].Computer Integrated Manufacturing Systems,2013,19(6):1177-1185.
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