Research Article
Rolling Bearing Fault Diagnosis Based on ELCD Permutation Entropy and RVM
Table 2
Permutation entropy of the first two ISCs of the three signals.
| Principal ISC | Normal state | Rolling element fault | Outer ring fault | Inner ring fault |
| ISC1 | 0.8724 | 1.0125 | 1.2734 | 1.6346 | ISC2 | 0.4356 | 0.6025 | 1.1804 | 1.3152 |
|
|