Weak Fault Feature Extraction of Rolling Bearings Based on an Improved Kurtogram

@inproceedings{Chen2016WeakFF,
  title={Weak Fault Feature Extraction of Rolling Bearings Based on an Improved Kurtogram},
  author={Xianglong Chen and Fuzhou Feng and Bingzhi Zhang},
  booktitle={Sensors},
  year={2016}
}
Kurtograms have been verified to be an efficient tool in bearing fault detection and diagnosis because of their superiority in extracting transient features. However, the short-time Fourier Transform is insufficient in time-frequency analysis and kurtosis is deficient in detecting cyclic transients. Those factors weaken the performance of the original kurtogram in extracting weak fault features. Correlated Kurtosis (CK) is then designed, as a more effective solution, in detecting cyclic… CONTINUE READING

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