Research Article
Assessment of an Anomaly Detector for Jet Engine Health Monitoring
Table 6
Detection performance for the different events.
| FC | Description | PCD | MDD | Span |
| 1 | Fan fault | 100 | 1.23 | 1 | 2 | lpc fault | 100 | 1.83 | 11 | 3 | hpc fault | 100 | 1.13 | 1 | 4 | hpt fault | 100 | 1.00 | 0 | 5 | lpt fault | 100 | 1.04 | 1 | 6 | vbv fault | 100 | 1.73 | 5 | 7 | vsv fault | 100 | 1.00 | 0 | 8 | bias | 55 | 5.95 | 11 | 9 | bias | 78 | 5.41 | 13 | 10 | bias | 79 | 6.15 | 13 | 11 | bias | 75 | 5.69 | 13 | 12 | bias | 58 | 5.09 | 13 | 13 | bias | 60 | 5.48 | 12 | 14 | bias | 57 | 6.17 | 12 | 15 | bias | 100 | 1.29 | 1 | 16 | bias | 69 | 4.19 | 13 | 17 | bias | 100 | 2.02 | 7 | 18 | Water-wash | 100 | 1.00 | 0 | 19 | hpt service | 100 | 1.00 | 0 | 20 | lpt service | 41 | 7.24 | 11 |
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PCD: percent correctly detected, MDD: mean detection delay.
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