Robust optimization of multi-probe roundness measurement probe angles

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Positional errors of a multi-probe roundness measurement frame will result in the probe angles deviating from the nominal angles. The actual probe angles can be accurately determined after placing the measurement frame using cross correlation or other methods. However, since multi-probe methods suffer from harmonic suppression, determining the angles is not enough for accurate reconstruction of the roundness profile, if the actual angles are situated in an area with poor harmonic characteristics. To find suitable areas for the probe angles to allow for deviations from the nominal angles, this paper presents a robust optimization for probe angles to avoid harmonic suppression regardless of errors in the probe angles. Suggestions for optimal probe angles are presented for the three-point and the four-point redundant diameter method. (C) 2020 The Author(s). Published by Elsevier Ltd.

Original languageEnglish
Article number108146
Number of pages7
JournalMeasurement: Journal of the International Measurement Confederation
Early online date14 Jul 2020
Publication statusPublished - 15 Jan 2021
MoE publication typeA1 Journal article-refereed


  • Fourier roundness
  • Multi-probe roundness
  • Robust optimization
  • Roundness


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