Research Article
Air Data Sensor Fault Detection with an Augmented Floating Limiter
(a) Comparison between fixed-threshold and adaptive-threshold detection delay for : soft failures |
| | Step fault detection delay (adaptive) | Ramp fault detection delay (adaptive) | Step fault detection delay (fixed) | Ramp fault detection delay (fixed) |
| | FL-1 | 3.7 | 15.4 | 7.6 | 19.4 | | FL-2 | 1.9 | 10.1 | 15.3 | 19.2 | | FL-3 | 10.2 | 11.3 | 31.5 | 30 | | FL-4 | 1.9 | 9.4 | 16.3 | 17 | | FL-5 | 1.4 | 13.8 | 27.8 | 28 |
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(b) Comparison between fixed-threshold and adaptive-threshold detection delay for : soft failures |
| | Step fault detection delay (adaptive) | Ramp fault detection delay (adaptive) | Step fault detection delay (fixed) | Ramp fault detection delay (fixed) |
| | FL-1 | 15.5 | 15 | Not detected | 40.9 | | FL-2 | 2.8 | 8.8 | 86.2 | 85.6 | | FL-3 | 10.4 | 10.8 | 10.7 | 12.6 | | FL-4 | 6.2 | 10.6 | 41.2 | 40.8 | | FL-5 | 5.5 | 9.6 | Not detected | 51.4 | | FL-6 | 5.7 | 18.2 | 26.7 | 26 |
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(c) Comparison between fixed-threshold and adaptive-threshold detection delay for : soft failures |
| | Step fault detection delay (adaptive) | Ramp fault detection delay (adaptive) | Step fault detection delay (fixed) | Ramp fault detection delay (fixed) |
| | FL-1 | 17.3 | 18.3 | 19 | 20 | | FL-2 | 13.1 | 18.6 | 21 | 23 | | FL-3 | 15 | 25.5 | 43.8 | 48.1 | | FL-4 | 7.6 | 13.3 | 5.9 | 11.2 | | FL-5 | 9.8 | 16.4 | 46.7 | 42.8 |
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