Research Article
Data Analysis of Step-Stress Accelerated Life Test with Random Group Effects under Weibull Distribution
Table 6
Cable insulation SSALT data.
| | Test unit | Thickness (mils) | Group | Step | Stress profile | Total time | Censoring |
| | 1 | 27 | 1 | 9 | 1 | 102 | 0 | | 2 | 27 | 1 | 9 | 1 | 113 | 0 | | 3 | 27 | 1 | 9 | 1 | 113 | 0 | | 4 | 29.5 | 2 | 10 | 2 | 370 | 1 | | 5 | 9.5 | 2 | 10 | 2 | 345 | 1 | | 6 | 28 | 2 | 10 | 2 | 345 | 0 | | 7 | 29 | 3 | 10 | 3 | 1333 | 0 | | 8 | 29 | 3 | 10 | 3 | 1249 | 0 | | 9 | 29 | 3 | 10 | 3 | 1333 | 1 | | 10 | 29 | 4 | 9 | 3 | 1106.4 | 0 | | 11 | 30 | 4 | 10 | 3 | 1250.8 | 0 | | 12 | 29 | 4 | 9 | 3 | 1097.9 | 0 | | 13 | 30 | 5 | 7 | 4 | 2460.9 | 1 | | 14 | 30 | 5 | 7 | 4 | 2460.9 | 0 | | 15 | 30 | 5 | 7 | 4 | 2703.4 | 0 | | 16 | 30 | 6 | 8 | 4 | 2923.9 | 0 | | 17 | 30 | 6 | 6 | 4 | 1160 | 0 | | 18 | 30 | 6 | 7 | 4 | 1962.9 | 0 | | 19 | 30 | 7 | 5 | 4 | 363.9 | 1 | | 20 | 30 | 7 | 5 | 4 | 898.4 | 1 | | 21 | 30 | 7 | 9 | 4 | 4142.1 | 0 |
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