Research Article
Optimal Calibration Method of PIGA’s Orthogonal Poses for Gravity Field Testing
Table 4
Simulation results of equal acceleration sequency calibration scheme.
| | Error coefficient | Calibration result | Absolute error | Uncertainty | | n = 10 | n = 22 | n = 10 | n = 22 | n = 10 | n = 22 |
| | (rad/s) | 3.985 × 10−4 | 4.001 × 10−4 | 1.5 × 10−6 | 1.0 × 10−7 | 1.4 × 10−6 | 9.3 × 10−7 | | (rad/s/g) | 0.5499977 | 0.5500009 | 2.3 × 10−6 | 9.0 × 10−7 | 5.7 × 10−6 | 4.2 × 10−6 | | (rad/s/g2) | 5.2 × 10−6 | 6.2 × 10−6 | 2.0 × 10−7 | 1.2 × 10−6 | 4.3 × 10−6 | 2.0 × 10−6 | | (rad/s/g2) | 9.3 × 10−6 | 2.9 × 10−6 | 6.6 × 10−6 | 1.0 × 10−7 | 1.1 × 10−5 | 5.2 × 10−6 | | (/g) | 6.3 × 10−6 | 4.5 × 10−6 | 3.3 × 10−6 | 1.5 × 10−6 | 4.6 × 10−6 | 1.7 × 10−6 | | ttotal (min) | 27.3 | 76.8 | | | | |
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