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,440 北京科技大学学报 第30卷 Process,1991,24(1):1 5结论 [5]Common P.Jutten C.Herault J.Blind separation of sources: Part II.Problem statement.Signal Process,1991,24(1):11 实际的机械故障诊断所采集的声信号中含有多 [6]Comon P.Independent component analysis-A new concept? 种分量，故障特征分量往往淹没在其中，独立分量分 Signal Process,1994.36(3):287 析可以有效地提取所关心的故障信息，消除临近机 [7]Cichocki A.Amari S I.Adaptive Blind Signal and Image Pro- 器或部件辐射噪声的干扰，提高信号的信噪比、采 cessing:Learning Algorithms and Applications.Chichester: 用自相关分析能进一步消除随机噪声的干扰，有效 John Wiley and Sons,2002 地提取故障特征，齿轮的声学故障诊断实验验证了 [8]Yang F S.Hong B.Principle and Application of Independent Component Analysis.Beijing:Tsinghua University Press.2006 此方法的有效性， (杨福生，洪波.独立分量分析的原理与应用.北京：清华大学 出版社，2006) 参考文献 [9]Wang J.Hu X.Application of MATLAB in Vibration Signal [1]Lyon R H.Machinery Noise and Diagnostics.Boston:Butter- Processing.Beijing:China Water Power Press.2006 worths,1987 (王济，胡晓.MATLAB在振动信号处理中的应用，北京：中国 [2]Jing L.Feature extraction of machine sound using wavelet and its 水利水电出版社，2006) application in fault diagnosis.NDT E Int.2001,34:25 [10]Ding K.Li W H.Zhu X Y.Fault Diagnosis Practical Tech- [3]Herault J.Jutten C.Space or time adaptive signal processing by nologies of Gear and Gear Box.Beijing:China Machine Press. neural network models//AIP Conference Proceedings.American 2005 Institute of Physics,1986:151 (丁康，李巍华，朱小勇·齿轮及齿轮箱故障诊断实用技术 [4]Jutten C.Herault J.Blind separation of sources:Part I.An 北京：机械工业出版社，2005) adaptive algorithm based on neuromimetic architecture.Signal (上接第402页) (1):36 (齐锦刚，王建中，刘兴江，等脉冲电场作用下纯铝熔体的遗传 参考文献 机制.材料热处理学报，2006,27(1)：36) [1]Chen X C.The structural correlation of liquid and solid metal [5]Singh M.Kumar R.Structure of liquid aluminum-silicon alloys. hased on electric structure//211th Colloquium Proceeding of Xi- J Mater Sci,1973(8):317 angshan Science Conference.Beijing:Defense Industry Press, [6]Bloomfield L A.Freeman RR.Brown W L.Photo fragmenta- 2005.95 tion of mass resolved Sizizclusters.Phys Rev Lett.1985.54: (陈熙聚，从电子结构来认识金属液态与固态结构的相关性 2246 香山科学会议第211次学术讨论会论文集.北京：国防工业出 [7]Slater C.Introduction to Chemical Physics.New York:MeGraw 版社，2005.95) Hil,1939,24 [2]Qi JG.Wang JZ.Casting structure of pure aluminum by electric [8]Cheng SJ.Qin X B.Bian X F.Thermal contraction phenomenon pulse modification at different superheated temperatures.J Univ of cluster structure of indium melt.Trans Nonferrous Met Soc Sci Technol Beijing.2005.12(6):527 China,2002,12(3):494 [3]Wang JZ.Chen Q F.Effect of electro pulse modification parame- [9]Flemings M C.Solidification Processing-New York:MeGraw ters on ingot macrostructure of CuAl-Ni shape memory alloys. Hil,1974:279 Trans Nonferrous Met Soc China.2002.12(3):400 [10]Laxmanan V.Dendritic solidification:I.Some further refine- [4]Qi JG.Wang JZ.Heredity mechanism of aluminum melt under ments to the model for dendrite growth under an imposed ther- the action of electric pulse.Trans Mater Heat Treat,2006.27 mal gradient.Acta Metall,1985,33:14755 结论 实际的机械故障诊断所采集的声信号中含有多 种分量故障特征分量往往淹没在其中独立分量分 析可以有效地提取所关心的故障信息消除临近机 器或部件辐射噪声的干扰提高信号的信噪比．采 用自相关分析能进一步消除随机噪声的干扰有效 地提取故障特征．齿轮的声学故障诊断实验验证了 此方法的有效性． 参 考 文 献 ［1］ Lyon R H． Machinery Noise and Diagnostics．Boston：Butterworths1987 ［2］ Jing L．Feature extraction of machine sound using wavelet and its application in fault diagnosis．NDT ＆ E Int200134：25 ［3］ Herault JJutten C．Space or time adaptive signal processing by neural network models∥ AIP Conference Proceedings．American Institute of Physics1986：151 ［4］ Jutten CHerault J．Blind separation of sources：Part Ⅰ．An adaptive algorithm based on neuromimetic architecture． Signal Process199124（1）：1 ［5］ Common PJutten CHerault J．Blind separation of sources： Part Ⅱ．Problem statement．Signal Process199124（1）：11 ［6］ Comon P．Independent component analysis—A new concept？ Signal Process199436（3）：287 ［7］ Cichocki AAmari S I．A daptive Blind Signal and Image Processing： Learning Algorithms and Applications．Chichester： John Wiley and Sons2002 ［8］ Yang F SHong B．Principle and Application of Independent Component A nalysis．Beijing：Tsinghua University Press2006 （杨福生洪波．独立分量分析的原理与应用．北京：清华大学 出版社2006） ［9］ Wang JHu X．Application of MATL AB in V ibration Signal Processing．Beijing：China Water Power Press2006 （王济胡晓．MATLAB 在振动信号处理中的应用．北京：中国 水利水电出版社2006） ［10］ Ding KLi W HZhu X Y．Fault Diagnosis Practical Technologies of Gear and Gear Box．Beijing：China Machine Press 2005 （丁康李巍华朱小勇．齿轮及齿轮箱故障诊断实用技术． 北京：机械工业出版社2005） （上接第402页） 参 考 文 献 ［1］ Chen X C．The structural correlation of liquid and solid metal based on electric structure∥211th Colloquium Proceeding of Xiangshan Science Conference．Beijing：Defense Industry Press 2005：95） （陈熙琛．从电子结构来认识金属液态与固态结构的相关性． 香山科学会议第211次学术讨论会论文集．北京：国防工业出 版社2005：95） ［2］ Qi J GWang J Z．Casting structure of pure aluminum by electric pulse modification at different superheated temperatures．J Univ Sci Technol Beijing200512（6）：527 ［3］ Wang J ZChen Q F．Effect of electro pulse modification parameters on ingot macrostructure of Cu—Al—Ni shape memory alloys． T rans Nonferrous Met Soc China200212（3）：400 ［4］ Qi J GWang J Z．Heredity mechanism of aluminum melt under the action of electric pulse．T rans Mater Heat T reat200627 （1）：36 （齐锦刚王建中刘兴江等．脉冲电场作用下纯铝熔体的遗传 机制．材料热处理学报200627（1）：36） ［5］ Singh MKumar R．Structure of liquid aluminum-silicon alloys． J Mater Sci1973（8）：317 ［6］ Bloomfield L AFreeman R RBrown W L．Photo fragmentation of mass-resolved Si ＋ 2—12clusters．Phys Rev Lett198554： 2246 ［7］ Slater C．Introduction to Chemical Physics．New York：McGraw Hill1939：24 ［8］ Cheng S JQin X BBian X F．Thermal contraction phenomenon of cluster structure of indium melt．T rans Nonferrous Met Soc China200212（3）：494 ［9］ Flemings M C．Solidification Processing．New York：McGraw Hill1974：279 ［10］ Laxmanan V．Dendritic solidification：Ⅲ．Some further refinements to the model for dendrite growth under an imposed thermal gradient．Acta Metall198533：1475 ·440· 北 京 科 技 大 学 学 报 第30卷