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CMS-2020-001

Robotic Arm Compensation with Laser Trackers

Joseph Packer

Title graphic for CMS-2020-001: Robotic Arm Compensation with Laser Trackers

Abstract

Electroimpact uses laser trackers in the compensation of large-scale serial link robot arms to achieve a very high degree of positional accuracy using our “Accurate Robot Technology”. 3D laser tracker data is collected from hundreds of uncompensated robot positions using a special end-effector designed for metrology. This measured data is compared to the nominal commanded position of the robot. Using the data comparison, a compensated kinematic model that is calculated then applied to the robot’s CNC and verified once more using the tracker.

Cite this paper

Joseph Packer. Electroimpact, Inc., Mukilteo, WA. Presented at the Coordinate Metrology Systems Conference 2020, virtual conference, September 2020. Coordinate Metrology Society, reference CMS-2020-001.