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Control Method to Suppress Stick-slip in Drill-strings Featuring Actuation Delay and Constraints
Conference ObjectAbstract: In this work, performance of a modified-integral resonant controller with integral tracking is invesPalabras claves:Control of constrained systems, delay systems, Output feedback control, Parameter-varying systems, trackingAutores:Aphale S.S., MacLean J.D.J., Marian Wiercigroch, Vaziri V.Fuentes:scopusEnergy saving by reducing motor rating of sucker-rod pump systems
ArticleAbstract: Energy industry can make significant savings by reducing electric motors ratings of the popular SuckPalabras claves:ENERGY SAVING, Motor control, Open and closed-loop frequency control, Sucker-rod pumping systemAutores:Aphale S.S., Dong S., Li W., Marian Wiercigroch, Vaziri V.Fuentes:scopusDynamics and frequency and voltage control of downhole oil pumping system
ArticleAbstract: The motor load torque of a typical pumping system employed in onshore oil-fields has a fluctuating ‘Palabras claves:Dynamics, Electro-mechanical model, ENERGY SAVING, Frequency and voltage control, Pumping systemAutores:Aphale S.S., Dong S., Li W., Marian Wiercigroch, Vaziri V.Fuentes:scopusParametric analysis of a sliding-mode controller to suppress drill-string stick-slip vibration
ArticleAbstract: Despite a significant research effort to understand and mitigate stick-slip in drill-strings, this pPalabras claves:DELAY, Drill string, Parametric analysis, robustness, Sliding-mode control, Stick-slipAutores:Aphale S.S., Kapitaniak M., Marian Wiercigroch, Oladunjoye I.O., Vaziri V.Fuentes:scopusSuppressing 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:scopus