Research Article
Geometric Parameter Identification of a 6-DOF Space Robot Using a Laser-Ranger
Table 5
Comparison of position and orientation errors in the validation configuration.
| Error item | RMS position error/mm | RMS orientation error/mrad | Maximum position error/mm | Maximum orientation error/mrad |
| Nominal parameter | x | 2.7612 | 3.1491 | 11.7347 | 16.1688 | y | 2.5917 | 3.2196 | 18.6857 | 17.0006 | z | 2.2119 | 2.3480 | 8.5899 | 9.9512 | Identified parameter for the first case | x | 0.9921 | 0.7003 | 4.9654 | 3.2981 | y | 1.0148 | 1.6199 | 4.6951 | 7.3035 | z | 1.0524 | 0.5910 | 4.3151 | 2.7741 | Identified parameter for the second case | x | 0.3427 | 0.2273 | 1.9067 | 0.9378 | y | 0.2974 | 0.3374 | 1.4779 | 1.2271 | z | 0.3785 | 0.7671 | 1.5664 | 2.3669 |
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