CEEMDAN-Based Permutation Entropy: A Suitable Feature for the Fault Identification of Spiral-Bevel Gears

<div>Comparison of EEMD-based permutation entropy of three states. (a) Permutation entropy of IMF<sub>1</sub>. (b) Permutation entropy of IMF<sub>2</sub>.</div>

Shock and Vibration

fig9

Figure 9

Figure 9: CEEMDAN-Based Permutation Entropy: A Suitable Feature for the Fault Identification of Spiral-Bevel Gears 