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柴油机缸盖振动信号关联维数的影响因素分析
引用本文:张小明,刘建敏,乔新勇,许世勇. 柴油机缸盖振动信号关联维数的影响因素分析[J]. 装甲兵工程学院学报, 2008, 22(1): 38-41
作者姓名:张小明  刘建敏  乔新勇  许世勇
作者单位:1. 装甲兵工程学院,机械工程系,北京,100072
2. 中国兵器工业集团公司,第70研究所,大同,037036
摘    要:柴油机缸盖振动信号的关联维数是柴油机健康状况评估的重要参数。在实际工程应用中,关联维数的计算面临着重复性差的问题,通过分析振动信号的截取方法、信号成分以及工况等因素对关联维数计算的影响,较好地解决了关联维数计算重复性差的问题。

关 键 词:柴油机  振动信号  关联维数  小波分形谱
文章编号:1672-1497(2008)01-0038-04
修稿时间:2007-12-15

Analysis on the Influencing Factors of the Correlation Dimension of the Diesel Cylinder Cover Vibration Signals
ZHANG Xiao-ming,LIU Jian-min,QIAO Xin-yong,XU Shi-yong. Analysis on the Influencing Factors of the Correlation Dimension of the Diesel Cylinder Cover Vibration Signals[J]. Journal of Armored Force Engineering Institute, 2008, 22(1): 38-41
Authors:ZHANG Xiao-ming  LIU Jian-min  QIAO Xin-yong  XU Shi-yong
Affiliation:1.Department of Mechanical Engineering; Academy of Armored Force Engineering; Beijing 100072; China; 2.China North Engine Research Institute; China North Corporation Introduction; Datong 037036; China);
Abstract:The correlation dimension of the diesel cylinder cover vibration signals is an important parameter in evaluating the diesel health status.In the actual engineering application,the repeatability calculating correlation dimension of vibration signal is bad,even intercepts the same signal in the same state.By analyzing the influence of the intercepting method of the vibration signals,signal components,and working condition on the calculating of the correlation dimension,the matter of calculating the correlatio...
Keywords:diesel  vibration signal  correlation dimension  wavelet fractal chart
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