Fault Diagnosis Method for Rotating Machinery Based on Hierarchical Amplitude-Aware Permutation Entropy and Pairwise Feature Proximity

<div>(a) Time domain waveform of white noise. (b) Frequency domain waveform of white noise.</div>

Shock and Vibration

Figure 2: Fault Diagnosis Method for Rotating Machinery Based on Hierarchical Amplitude-Aware Permutation Entropy and Pairwise Feature Proximity 