Articles | Volume 8, issue 1
https://doi.org/10.5194/jsss-8-223-2019
https://doi.org/10.5194/jsss-8-223-2019
Regular research article
 | 
23 May 2019
Regular research article |  | 23 May 2019

Amplitude–phase calibration of tri-axial accelerometers in the low-frequency range by a LDV

Giulio D'Emilia, Antonella Gaspari, and Emanuela Natale

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Cited articles

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D'Emilia, G., Di Gasbarro, D., and Natale, E.: A simple and accurate solution based on a laser sheet system for on line position monitoring of welding, J. Phys. Conf. Ser., 658, 012006, https://doi.org/10.1088/1742-6596/658/1/012006, 2015. 
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Short summary
A method for amplitude–phase calibration of tri-axial accelerometers in the low-frequency range is proposed, based on a linear slide, used to excite all the axes of the accelerometer at the same time, and a laser Doppler vibrometer (LDV) as a reference. Results show that the phase is a critical aspect to consider in calibration, more than the amplitude, and the comparison with the theoretical model is useful to verify the hypotheses. Different behaviours result, depending on the measuring chain.