Table 4.
Transformation rules to convert Z-number to TFN based on linguistics variables for rating failure modes.
| Linguistics variables | TFNs |
|---|---|
| (VP, VW) | (0, 0.29, 0.58) |
| (VP, W) | (0, 0.59, 1.18) |
| (VP, M) | (0, 0.73, 1.46) |
| (VP, H) | (0, 0.85, 1.69) |
| (VP, VH) | (0, 0.96, 1.91) |
| (P, VW) | (0.29, 0.58, 0.87) |
| (P, W) | (0.59, 1.18, 1.77) |
| (P, M) | (0.73, 1.46, 2.19) |
| (P, H) | (0.85, 1.69, 2.54) |
| (P, VH) | (0.96, 1.91, 2.87) |
| (MP, VW) | (0.58, 1.01, 1.44) |
| (MP, W) | (1.18, 2.07, 2.96) |
| (MP, M) | (1.46, 2.56, 3.65) |
| (MP, H) | (1.69, 2.96, 4.23) |
| (MP, VH) | (1.91, 3.35, 4.79) |
| (F, VW) | (1.15, 1.44, 1.73) |
| (F, W) | (2.37, 2.96, 3.55) |
| (F, M) | (2.92, 3.65, 4.38) |
| (F, H) | (3.39, 4.23, 5.08) |
| (F, VH) | (3.83, 4.79, 5.74) |
| (MG, VW) | (1.44, 1.88, 2.31) |
| (MG, W) | (2.96, 3.85, 4.73) |
| (MG, M) | (3.65, 4.75, 5.84) |
| (MG, H) | (4.23, 5.50, 6.77) |
| (MG, VH) | (4.79, 6.22, 7.66) |
| (G, VW) | (2.02, 2.31, 2.60) |
| (G, W) | (4.14, 4.73, 5.32) |
| (G, M) | (5.11, 5.84, 6.57) |
| (G, H) | (5.93, 6.77, 7.62) |
| (G, VH) | (6.70, 7.66, 8.62) |
| (VG, VW) | (2.31, 2.60, 2.89) |
| (VG, W) | (4.73, 5.32, 5.92) |
| (VG, M) | (5.84, 6.57, 7.30) |
| (VG, H) | (6.77, 7.62, 8.47) |
| (VG, VH) | (7.66, 8.62, 9.57) |