Error compensation of laser tracker in multi-station measurement

Ruiyan Wang; Wenji She

doi:10.1117/12.2606674

24 November 2021 Error compensation of laser tracker in multi-station measurement

Ruiyan Wang, Wenji She

Proceedings Volume 12069, AOPC 2021: Novel Technologies and Instruments for Astronomical Multi-Band Observations; 120690Y (2021) https://doi.org/10.1117/12.2606674
Event: Applied Optics and Photonics China 2021, 2021, Beijing, China

Abstract

In order to improve the multi station measurement accuracy of laser tracker, aiming at the problem that the measurement error of laser tracker restricts the transfer accuracy, the compensation method of measurement error of single laser tracker in multi-station measurement is studied in this paper. The compensated coordinate measurement values are substituted into the coordinate transformation model, and the weighted total least square method is used to iteratively solve the transfer parameters. The results are verified by Matlab simulation experiments. The results show that the mean square errors of coordinate points before and after compensation are respectively 0.4358μm and 0.2920μm. The data show that the measurement accuracy of the laser tracker is improved by 30%.

Citation Download Citation

Ruiyan Wang and Wenji She "Error compensation of laser tracker in multi-station measurement", Proc. SPIE 12069, AOPC 2021: Novel Technologies and Instruments for Astronomical Multi-Band Observations, 120690Y (24 November 2021); https://doi.org/10.1117/12.2606674

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KEYWORDS

Error analysis

Calibration

Optical simulations

Laser applications

MATLAB

Ranging

Data modeling

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