Research Article
Closed-Loop Fault Diagnosis of SDR Using Gap Metric, PCA, and Kalman’s Principle
| Parameters | Physical meaning | Value | Unit | Parameters | Physical meaning | Value | Unit |
| | Parameters in the function | 0.3 | / | | The variance when estimating pressure from | 0.01 | MPa2 | | Correction coefficient | 100 | / | R | The variance when estimating pressure from | 0.01 | MPa2 | | Delay in estimating pressure from | 100h | s | | The sampling period | 0.01 | s | | Precision degradation monitoring threshold | 0.01 | / | | Parameters in the function | 0.01 | / | | Individual sensor isolation thresholds | 0.1 | / | | Both sensors isolation thresholds | 0.1 | / | | The measurement noise | 0.2% | / | | The newly added error in the failure of precision degradation | 0.8% | / |
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