Research Article
Rolling Bearing Fault Diagnosis Based on ELCD Permutation Entropy and RVM
Table 1
The mean square error and energy of the original signal and the reconstructed signal.
| Signal type | Original signal | Reconstructed signal | Mean square error | Energy | Mean square error | Energy |
| Normal signal | 0.0723 | 11.0282 | 0.0688 | 10.6203 | Rolling element signal | 0.1406 | 50.8750 | 0.1410 | 51.0342 | Outer ring signal | 0.6963 | 994.3297 | 0.6965 | 993.6019 | Inner ring signal | 0.2937 | 177.1054 | 0.2926 | 175.3812 |
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