NDLI: Analysis of drilling vibrations: A time-delay system approach

Content Provider	IEEE Xplore Digital Library
Author	Boussaada, I. Mounier, H. Niculescu, S.-I. Cela, A.
Copyright Year	2012
Description	Author affiliation: Department of Embedded Systems, UPE, 93162 Noisy-Le-Grand, France (Cela, A.) \|\| Laboratoire des signaux et systèmes, (L2S, UMR CNRS 8506), Supélec, 3 rue Joliot-Curie, 91192 Gif-sur-Yvette cedex, France (Boussaada, I.; Mounier, H.; Niculescu, S.-I.)
Abstract	The main purpose of this study is the description of the qualitative dynamical response of a rotary drilling system with a drag bit, using a model that takes into consideration the axial and the torsional vibration modes of the bit. The studied model, based on the interface bit-rock, contains a couple of wave equations with boundary conditions consisting of the angular speed and the axial speed at the top additionally to the angular and axial acceleration at the bit whose contain a realistic frictional torque. Our analysis is based on the center manifold Theorem and Normal forms theory whose allow us to simplify the model.
Starting Page	610
Ending Page	614
File Size	539090
Page Count	5
File Format	PDF
ISBN	9781467325301
e-ISBN	9781467325318
e-ISBN	9781467325295
DOI	10.1109/MED.2012.6265705
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-07-03
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Center Manifold Vibrations analysis Equations Vibrations Manifolds Time-delay systems Analytical models Drilling system Neutral systems Differential equations Normal forms Eigenvalues and eigenfunctions Functional differential equations Mathematical model
Content Type	Text
Resource Type	Article

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