数控车床故障传播机理分析
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摘要
为探讨数控车床故障传播机理,即识别系统关键节点与关键故障传播路径,基于数控车床故障数据,应用有向图理论、集成决策实验室分析(DEMATEL)和解释结构模型(ISM)方法构建数控车床分层故障传播有向图模型;基于故障传播概率、边介数两指标定义故障传播强度表征故障传播行为;提出结合系统分层故障传播有向图模型和故障传播强度的数控车床故障传播机理分析方法.分析结果表明:系统分层故障传播有向图模型实现了系统层级分解,简化了故障传播分析过程,为关键路径识别奠定了基础;将故障传播强度作为关键路径识别的依据,避免了传统分析方法基于单一指标描述数控车床故障传播行为而产生的偏差,实现了准确定位故障源,准确识别系统关键路径.所提方法有助于系统故障诊断与维护.
To study the failure propagation mechanism of CNC lathe,i.e.,to identify the critical nodes and critical failure propagation path of system,by applying the digraph theory,integrating DEMATEL with ISM method,the hierarchy failure propagation digraph model of CNC lathe is constructed based on failure data. A failure propagation strength is defined based on failure propagation probability and edge betweenness to characterize failure propagation behavior,and then a failure propagation mechanism analysis method for CNC lathe according to the hierarchy failure propagation digraph model and the failure propagation strength is proposed. The analysis result shows that the system hierarchy failure propagation digraph model achieves the system hierarchy decomposition,and simplifies the failure propagation analysis process,which lays a foundation for the critical path identification. Regarding the failure propagation strength as criterion of critical path identification avoids the deviation arose from the traditional analysis method based on single index to describe the failure propagation behavior of CNC lathe,and realizes precise failure source and system critical path identification. This helps to the system failure diagnosis and maintenance.
To study the failure propagation mechanism of CNC lathe,i.e.,to identify the critical nodes and critical failure propagation path of system,by applying the digraph theory,integrating DEMATEL with ISM method,the hierarchy failure propagation digraph model of CNC lathe is constructed based on failure data. A failure propagation strength is defined based on failure propagation probability and edge betweenness to characterize failure propagation behavior,and then a failure propagation mechanism analysis method for CNC lathe according to the hierarchy failure propagation digraph model and the failure propagation strength is proposed. The analysis result shows that the system hierarchy failure propagation digraph model achieves the system hierarchy decomposition,and simplifies the failure propagation analysis process,which lays a foundation for the critical path identification. Regarding the failure propagation strength as criterion of critical path identification avoids the deviation arose from the traditional analysis method based on single index to describe the failure propagation behavior of CNC lathe,and realizes precise failure source and system critical path identification. This helps to the system failure diagnosis and maintenance.
引文
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[16]张英芝,吴茂坤,申桂香,等.基于DEMATEL/ISM的组合机床故障相关性分析[J].工业工程,2014,17(3):92-96,127.ZHANG Yingzhi,WU Maokun,SHEN Guixiang,et al.An analysis of failure correlation of assemble machine tool based on DEMATEL/ISM[J].Industrial Engineering Journal,2014,17(3):92-96,127.DOI:10.3969/j.issn.1007-7375.2014.03.017.
[2]PENG Sancheng,WANG Guojun,YU S.Modeling the dynamics of worm propagation using two-dimensional cellular automata in smartphones[J].Journal of Computer and System Sciences,2013,79(5):586-595.DOI:10.1016/j.jcss.2012.11.007.
[3]WANG Xiaofan,XU Jian.Cascading failures in coupled map lattices[J].Physical Review E,2004,70(5):056113.DOI:10.1103/Phys Rev E.70.056113.
[4]BOBBIO A,CODETTA-RAITERI D,MONTANI S,et al.Modeling cascading failure propagation through dynamic bayesian networks[J].IFAC Proceedings Volumes,2009,42(5):209-214.DOI:10.3182/20090610-3-IT-4004.00041.
[5]LI Daqing,JIANG Yinan,KANG Rui,et al.Spatial correlation analysis of cascading failures:Congestions and Blackouts[J].Scientific Reports,2014,4(4):5381.DOI:10.1038/srep05381.
[6]王广勇,郭正才,朱艳飞.数控机床主轴系统FMECA分析及改进措施[J].组合机床与自动化加工技术,2015,(11):111-113.WANG Guangyong,GUO Zhengcai,ZHU Yanfei.FMECA and improve measurement of spindle system of CNC[J].Modular Machine Tool&Automatic Manufacturing Technique,2015,(11):111-113.DOI:10.13462/j.cnki.mmtamt.2015.11.031.
[7]盛博,邓超,熊尧,等.基于图论的数控机床故障诊断方法[J].计算机集成制造系统,2015,21(6):1559-1570.SHENG Bo,DENG Chao,XIONG Yao,et al.Fault diagnosis for CNC machine tool based on graph theory[J].Computer Integrated Manufacturing Systems,2015,21(6):1559-1570.DOI:10.13196/j.cims.2015.06.019.
[8]舒征宇,邓长虹,黄文涛,等.小世界电力网络故障传播过程与抑制策略[J].电网技术,2013,37(3):862-867.SHU Zhengyu,DENG Changhong,HUANG Wentao,et al.Analysis on propagation of cascading failure in small-world power network and its suppressing strategy[J].Power System Technology,2013,37(3):862-867.DOI:10.13335/j.1000-3673.pst.2013.03.016.
[9]史浩.基于网络模型的设备集成系统安全控制方法研究[D].北京:北京交通大学,2016.SHI Hao.Research on safety and control method for equipment integrated system based on network model[D].Beijing:Beijing Jiaotong University,2016.
[10]KOKAWA M,MIYAZAKI S,SHINGAI S.Fault location using digraph and inverse direction search with application[J].Automatica,1983,19(6):729-735.DOI:10.1016/0005-1098(83)90039-0.
[11]BRIN S,PAGE L.The anatomy of a large-scale hypertextual Web search engine[J].Computer Networks and ISDN Systems,1998,30(1):107-117.DOI:10.1016/S0169-7552(98)00110-X.
[12]刘津彤.基于有向图的数控车床故障传播机理研究[D].长春:吉林大学,2017.LIU Jintong.Research on failure propagation mechanism of CNC Lathe based on digraph[D].Changchun:Jilin University,2017.
[13]ZHANG Yingzhi,LIU Jintong,SHEN Guixiang,et al.Reliability evaluation of machine center components based on cascading failure analysis[J].Chinese Journal of Mechanical Engineering,2017,30(4):933-942.DOI:10.1007/s10033-017-0144-y.
[14]孙玺菁,司守奎.复杂网络算法与应用[M].北京:国防工业出版社,2015:32-34.SUN Xijing,SI Shoukui.Complex network algorithm and application[M].Beijing:National Defend Industry Press,2015:32-34.
[15]祝庚,陈毅华,候家利.K步故障扩散算法的设计与实现[J].计算机测量与控制,2005,13(8):784-787.ZHU Geng,CHEN Yihua,HOU Jiali.Design and realization of Ksteps fault pervasion algorithm[J].Computer Measurement&Control,2005,13(8):784-787.DOI:10.16526/j.cnki.11-4762/tp.2005.08.013.
[16]张英芝,吴茂坤,申桂香,等.基于DEMATEL/ISM的组合机床故障相关性分析[J].工业工程,2014,17(3):92-96,127.ZHANG Yingzhi,WU Maokun,SHEN Guixiang,et al.An analysis of failure correlation of assemble machine tool based on DEMATEL/ISM[J].Industrial Engineering Journal,2014,17(3):92-96,127.DOI:10.3969/j.issn.1007-7375.2014.03.017.