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| Research on Calibration Technology of Dynamic Positioning Errorof Laser Tracker Based on Velocity Triangle Wave |
| LING Yan-tong,MA Li-qun,LI Yang |
| Changcheng Institute of Metrology & Measurement, Beijing 100095, China |
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Abstract As a large-size precision coordinate measuring instrument, the precision of dynamic positioning error of laser trackers is concerned, however, it's calibration is still in the state of static calibration and dynamic tracking performance calibration. Under the premise of lacking the calibration of the dynamic positioning error of the laser tracker, a method for calibrating the dynamic positioning error of laser tracker on the basis of the speed triangle wave is put forward. The rule and motion trajectory of the moving object in the calibration model are analyzed, at the same time, the calibration experiment of laser tracker is designed, the result proves the feasibility and necessity of the calibration scheme, and gives a more detailed definition to the maximum measuring speed.
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2018, Vol. 39 
