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

<div>The calculation values of permutation entropy with different m and t. (a) t = 1 and m = 4, 5, and 6. (b) t = 2 and m = 4, 5, and 6. (c) t = 3 and m = 4, 5, and 6.</div>

Shock and Vibration

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Figure 2

Figure 2: CEEMDAN-Based Permutation Entropy: A Suitable Feature for the Fault Identification of Spiral-Bevel Gears 