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Aurora Technical Specifications


Aurora Accuracy Performance

The following metrics apply to the Aurora V2 System released in May 2011. The Aurora V2 System achieves 20% higher accuracy performance than previous Aurora Systems.

Accuracy - 5DOF Sensors*

Note: Typical results based on more than 300 random positions and orientations distributed throughout the characterized volume.
Position Errors
Cube Volume Dome Volume
  RMS 95% confidence
level		   RMS 95% confidence
level
Position Accuracy 0.70 mm 1.40 mm Position Accuracy 1.10 mm 2.00 mm
Position Precision 0.48 mm 1.00 mm Position Precision 0.80 mm 1.68 mm
Position Trueness 0.50 mm 1.00 mm Position Trueness 0.80 mm 1.50 mm
Orientation Errors
Cube Volume Dome Volume
  RMS 95% confidence
level		   RMS 95% confidence
level
Orientation Accuracy 0.20° 0.35° Orientation Accuracy 0.20° 0.40°
Orientation Precision 0.07° 0.15° Orientation Precision 0.15° 0.25°
Orientation Trueness 0.20° 0.32° Orientation Trueness 0.18° 0.32°

Accuracy - 6DOF Sensors*

Note: Typical results based on more than 300 random positions and orientations distributed throughout the characterized volume.
Position Errors
Cube Volume Dome Volume
  RMS 95% confidence
level		   RMS 95% confidence
level
Position Accuracy 0.48 mm 0.88 mm Position Accuracy 0.70 mm 1.40 mm
Position Precision 0.30 mm 0.70 mm Position Precision 0.56 mm 1.20 mm
Position Trueness 0.40 mm 0.70 mm Position Trueness 0.50 mm 0.90 mm
Orientation Errors
Cube Volume Dome Volume
  RMS 95% confidence
level		   RMS 95% confidence
level
Orientation Accuracy 0.30° 0.48° Orientation Accuracy 0.30° 0.55°
Orientation Precision 0.20° 0.40° Orientation Precision 0.22° 0.40°
Orientation Trueness 0.25° 0.45° Orientation Trueness 0.25° 0.45°

*All data collected in an environment free of electromagnetic disturbances using an Aurora V2 System. Accuracy depends on tool design and the presence of metal.