Abstract
Precise measurement of mechanical forces is crucial to efficient micro-manufacturing. The quality of such measurements depends heavily on the properties of the noise inevitably accompanying every measurement process. In the micro-range, the signal-to-noise ratio tends to be very low, and the noise dynamic varies for different frequencies. In result, common denoising methods that assume white noise perform poorly in this setting. In this paper, a novel, easily implementable denoising method based on a local statistic of the measured data’s spectrum is proposed. By testing it on a representative dataset, it is shown that the proposed method is robust and stable. Particularly, it allows for an efficient retrieval of the force signal encountered in micro-milling processes.
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Kazimierski, K.S., Piotrowska-Kurczewski, I., Böhmermann, F. et al. A statistical filtering method for denoising of micro-force measurements. Int J Adv Manuf Technol 87, 1693–1704 (2016). https://doi.org/10.1007/s00170-016-8513-8
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DOI: https://doi.org/10.1007/s00170-016-8513-8