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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.
|Number of pages||7|
|Journal||Measurement: Journal of the International Measurement Confederation|
|Early online date||14 Jul 2020|
|Publication status||Published - 15 Jan 2021|
|MoE publication type||A1 Journal article-refereed|
- Fourier roundness
- Multi-probe roundness
- Robust optimization
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