Research Article
CEEMDAN-Based Permutation Entropy: A Suitable Feature for the Fault Identification of Spiral-Bevel Gears
Figure 5
The time-domain vibration signals under three states of spiral-bevel gears. (a) Normal tooth. (b) 1/3 broken tooth. (c) 2/3 broken tooth.
(a) |
(b) |
(c) |