Mostrando 5 resultados de: 5
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Article(5)
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International Journal of Mechanical Sciences(3)
European Journal of Applied Mathematics(1)
Mechanical Systems and Signal Processing(1)
Experimental studies of forward and backward whirls of drill-string
ArticleAbstract: In this work we investigate forward and backward whirls of a drill-string using a novel experimentalPalabras claves:Co-existing attractors, Drill-string dynamics, experimental studies, Forward and backward whirls, Lateral vibrationAutores:Joseph Páez Chávez, Kapitaniak M., Marian Wiercigroch, Vaziri V.Fuentes:googlescopusNonlinear dynamics of lump mass model of drill-string in horizontal well
ArticleAbstract: We develop a dynamic model of a drill-string in a horizontal well having six Degrees-Of-Freedom, whiPalabras claves:Complex whirling, Coupled motions, Drill-string dynamics, Horizontal well, State-dependent delayAutores:Huang Z., Kapitaniak M., Ma Y., Marian Wiercigroch, Vaziri V., Xie D.Fuentes:scopusUnveiling complexity of drill-string vibrations: Experiments and modelling
ArticleAbstract: We investigate complex drill-string dynamics on a novel experimental rig [1], capable of reproducingPalabras claves:Bit-rock interaction, Drill-string dynamics, experimental studies, Finite element modelling, Nonlinear oscillations, Stick-slipAutores:Joseph Páez Chávez, Kapitaniak M., Marian Wiercigroch, Nandakumar K., Vaziri V.Fuentes:googlescopusSuppressing stick–slip oscillations in drill-strings by Modified Integral Resonant Control
ArticleAbstract: This paper presents development of a novel control scheme for suppressing stick–slip oscillations ofPalabras claves:Damping and tracking control, Drill-string dynamics, Modified Integral Resonant Control, Nonlinear oscillations, robustness, stability analysisAutores:Aphale S.S., MacLean J.D.J., Marian Wiercigroch, Vaziri V.Fuentes:scopusSuppression of drill-string stick-slip vibration by sliding mode control: Numerical and experimental studies
ArticleAbstract: We investigate experimentally and numerically suppression of drill-string torsional vibration whilePalabras claves:Drill-string dynamics, experimental studies, mathematical modelling, nonlinear behaviour, sliding mode control, Stick-slip, torsional vibrationAutores:Kapitaniak M., Marian Wiercigroch, Vaziri V.Fuentes:scopus