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滚动轴承故障诊断中的分形
引用本文:张文明,李莉.滚动轴承故障诊断中的分形[J].北京科技大学学报,1996,18(3):215-219.
作者姓名:张文明  李莉
作者单位:北京科技大学资源工程学院
摘    要:简述了滚动轴承运转中时序列时表现时的自相似性,重构了振动信号对应的嵌入相空间的序列,计算得出分维数,实验结果表明,振动时域序列的分维数在不同工况,不同间隙下是有差别的,可以做为识别主要轴承的特征量。

关 键 词:故障诊断  滚动轴承  分形

Fractal in Fault Diagnosis of Rolling Bearings
Zhang Wenming, Li Li, Shen Yanhua, Wang Ying, Zhang Weigang.Fractal in Fault Diagnosis of Rolling Bearings[J].Journal of University of Science and Technology Beijing,1996,18(3):215-219.
Authors:Zhang Wenming  Li Li  Shen Yanhua  Wang Ying  Zhang Weigang
Abstract:Self-affine of time series which exists in vibration signals of rolling bearings is investigated. The vibration signals' imbedding space is rebuilt, and each the fractal dimension is calculated. Some experimental results are presentted. One technique based on the detecting fractal dimensions of time series in different working status is developed for recongnizing the rolling bearings' fault characteristics.
Keywords:fault diagnosis  rolling bearings  fractal  fractal dimension
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