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 itemRMS position error/mmRMS orientation error/mradMaximum position error/mmMaximum orientation error/mrad

Nominal parameterx2.76123.149111.734716.1688
y2.59173.219618.685717.0006
z2.21192.34808.58999.9512
Identified parameter for the first casex0.99210.70034.96543.2981
y1.01481.61994.69517.3035
z1.05240.59104.31512.7741
Identified parameter for the second casex0.34270.22731.90670.9378
y0.29740.33741.47791.2271
z0.37850.76711.56642.3669