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Application of Morphological Filter and Correlation Dimension in the Fault Diagnosis of Rotor System

机译：形态过滤器和相关尺寸在转子系统故障诊断中的应用

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摘要

To analysis the effect of noise in signal to correlation dimension, the correlation dimension of the noised Lorenz signal was calculated. Morphological filter is introduced for de-noising the vibration signal. The correlation dimensions on the noised and de-noised vibration signals of rotor system at various states were analyzed. The result showed that the correlation dimension of the noised signal deviate from their typical value and cannot reflect the true status of rotor system. The favorable de-noising effect by morphological filter is also showed. The correlation dimension of de-noised signal can reflect and distinguish the true status of rotor system, while it can be used as characteristic quantity for identification of fault and estimation of status.
机译：为了分析信号中噪声对相关尺寸的影响，计算了声明的Lorenz信号的相关尺寸。引入形态过滤器用于去噪振动信号。分析了各种态在各种状态下转子系统的发射和去噪振动信号的相关尺寸。结果表明，所述声音信号的相关尺寸偏离其典型值，不能反映转子系统的真实状态。还显示了通过形态过滤器的有利的去噪效果。断线信号的相关尺寸可以反映并区分转子系统的真实状态，而它可以用作识别故障和状态估计的特征量。

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