Browsing Mechanical & Industrial Engineering by Author "Gharib, Mohamed"
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Fractional-order controllers for stick-slip vibration mitigation in oil well drill-strings
Derbal, Massinissa; Gharib, Mohamed; Refaat, Shady S.; Palazzolo, Alan; Sassi, Sadok ( SAGE , 2021 , Article)Drillstring–borehole interaction can produce severely damaging vibrations. An example is stick–slip vibration, which negatively affects drilling performance, tool integrity and completion time, and costs. Attempts to ...