Research Article
Optimal Calibration Method of PIGA’s Orthogonal Poses for Gravity Field Testing
Table 3
Simulation results of equal angle sequency calibration scheme.
| | Error coefficient | Calibration result | Absolute error | Uncertainty | | n = 10 | n = 22 | n = 10 | n = 22 | n = 10 | n = 22 |
| | (rad/s) | 3.987 × 10−4 | 3.997 × 10−4 | 1.3 × 10−6 | 3.0 × 10−7 | 2.1 × 10−6 | 1.0 × 10−6 | | (rad/s/g) | 0.5499969 | 0.5500025 | 3.1 × 10−6 | 2.5 × 10−6 | 9.2 × 10−6 | 3.9 × 10−6 | | (rad/s/g2) | 3.1 × 10−6 | 6.2 × 10−6 | 1.9 × 10−6 | 1.2 × 10−6 | 3.4 × 10−6 | 1.6 × 10−6 | | (rad/s/g2) | 1.6 × 10−6 | 4.4 × 10−6 | 1.4 × 10−6 | 1.4 × 10−6 | 8.6 × 10−6 | 4.3 × 10−6 | | (/g) | 1.3 × 10−6 | 2.7 × 10−6 | 1.7 × 10−6 | 3.0 × 10−7 | 3.4 × 10−6 | 1.7 × 10−6 | | ttotal (min) | 18.8 | 54.7 | | | | |
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