Research Article
Risk Assessment of Oxygen Lance Burning Loss Using Bow-Tie Analysis Based on Fuzzy Theory
Table 2
Failure possibilities, failure likelihood values, and corresponding triangular fuzzy numbers [
47]].
| Failure possibilities | Failure likelihood values | Triangular fuzzy numbers |
| Very low | <1.0E − 08 | μVL (x) = (0.00, 0.04, 0.08) | Low | 1.0E − 08∼1.0E − 07 | μL (x) = (0.07, 0.13, 0.19) | Reasonably low | 1.0E − 07∼1.0E − 06 | μRL (x) = (0.17, 0.27, 0.37) | Moderate | 1.0E − 06∼1.0E − 05 | μM (x) = (0.35, 0.50, 0.65) | Reasonably high | 1.0E − 05∼1.0E − 04 | μRH (x) = (0.63, 0.73, 0.83) | High | 1.0E − 04∼1.0E − 03 | μH (x) = (0.81, 0.87, 0.93) | Very high | >1.0E − 03 | μVH (x) = (0.92, 0.96, 1.00) |
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