Structural Parameter Identification of Articulated Arm Coordinate Measuring Machines

Table 2

The movement uncertainties of AACMM before compensation.

Directions	Maximum (max) (mm)	Standard deviation (SD) (mm)	Average (ave) (mm)	Absolute average (AA) (mm)
	1.485	0.639	−0.071	0.524
	1.366	0.478	0.439	0.545
	−0.978	0.358	−0.308	0.421