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Figure 4
Result of performing 200 trials and calculating the RMSE of the resulting coordinates and the target for the optimal position. The x-axis is truncated to show just the region of interest, because all deviations are less than 0.45 mm, despite a maximum possible deviation of 5.0 mm. The step motors on the spectrometer have a tolerance of 0.1 mm and a backlash effect of roughly 0.05 mm which are shown. The average deviation is 0.27 mm with regards to an interval of −5.0 mm to 5.0 mm, with an average run-time of 19.0 s.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 31| Part 4| July 2024| Pages 698-705
https://doi.org/10.1107/S1600577524003850
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