MATEC Web Conf.
Volume 148, 2018International Conference on Engineering Vibration (ICoEV 2017)
|Number of page(s)||6|
|Section||Vibration and Control in Downhole Drilling Processes|
|Published online||02 February 2018|
Monitoring of drilling conditions using the Hilbert-Huang transformation
Department of Automation, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland
2 Department of Technology and Life Sciences, The State School of Higher Education in Zamość, Pereca 2, 22-400 Zamość, Poland
3 Department of Process Control, AGH University of Science and Technology, Mickiewicza 30, 30-059 Kraków, Poland
4 J.G. SERVICE, ul. Kuźnicza 4, 21-040 Świdnik, Poland
The article presents the results of design and monitoring the drilling process. Vibroacoustic sensors were used to observe spindle vibrations. These signals were subjected to a Huang decomposition and a Fourier transform. Results for various conditions were studied and classified with help of Fourier spectra and the envelope curves. Using the additional results of numerical simulations sources of vibration were identified. We considered four different types of drilling which were diversified in terms of geometrical parameters of blades. The application of Hilbert transform enable to find nonlinear characteristics via the deflection profile of resonance backbone curves.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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