Open Access
Table 5
Comparison of results of residual life prediction.
| Failure roller sleeve | Roller sleeve 1 | Relative error | Roller sleeve 2 | Relative error | Roller sleeve 3 | Relative error | Roller sleeve 4 | Relative error |
|---|---|---|---|---|---|---|---|---|
| Tested life | 27,560 | 0 | 5730 | 0 | 23,110 | 0 | 7530 | 0 |
| L10 method [36] | 53,250 | −159% | 15,313 | −162% | 60,086 | −160% | 19,392 | −158% |
| Wang's method | 1645 | 92% | 490 | 91% | 16,177 | 93% | 410 | 95% |
| Edwin's method | 10,691 | 48% | 3604 | 37% | 11,324 | 51% | 2711 | 64% |
| RUL prediction obtained by temperature | 28,420 | 3.12% | 5984 | 4.43% | 24,304 | 5.17% | 7924 | 5.23% |
| RUL prediction obtained by acceleration | 32,970 | 19.63% | 6811 | 18.86% | 28,451 | 23.11% | 9248 | 22.82% |
| Proposed method | 28,080 | 1.89% | 5857 | 2.21% | 23,611 | 2.17% | 7788 | 3.43% |
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