Research Article
General Log-Linear Weibull Model Combining Vibration and Temperature Characteristics for Remaining Useful Life Prediction of Rolling Element Bearings
Table 5
GLL-Weibull model parameters of every monitoring period.
| Monitoring period and range (hour) | (intercept) | (vibration coefficient) | (temperature coefficient) | (shape parameter) |
| Period 1 (1∼168) | 5.62 | 0.099 | 0.050 | 1.69 | Period 2 (167∼336) | 4.01 | 0.065 | 0.036 | 1.70 | Period 3 (337∼504) | 3.93 | 0.064 | 0.0023 | 1.70 | Period 4 (505∼672) | 3.09 | 0.073 | 0.0037 | 1.71 | Period 5 (673∼840) | 2.64 | 0.077 | 0.0035 | 1.68 | Period 6 (841∼1008) | 2.06 | 0.065 | 0.0046 | 1.69 | Period 7 (1009∼1176) | 0.45 | 0.055 | 0.0041 | 1.72 |
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