Modelling and control of the roll-stabilised control unit of a rotary steerable system directional drilling tool

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dc.contributor.authorAlturbeh, Hamid
dc.contributor.authorWhidborne, James F.
dc.contributor.authorLuk, Patrick Chi-Kwong
dc.contributor.authorBayliss, Martin T.
dc.date.accessioned2019-05-15T10:35:47Z
dc.date.available2019-05-15T10:35:47Z
dc.date.issued2019-04-26
dc.description.abstractA directional drilling tool control unit whose design is based on servo control of a rotary valve using the roll-stabilised instrumented system approach has been successfully used in oil fields for over 20 years. Here, field-oriented control (FOC) is applied to cascaded voltage regulation and servo control using an open-loop plant model of the roll-stabilised control unit. The servo control is applied to the rotary valve so that drilling mud is ported in a geostationary direction despite the rotation of the drill string and the bottom hole assembly of the rotary steerable system. Voltage regulation is applied in order to provide a DC voltage bus for the servo control of the valve. A torquer or alternator, which is a type of permanent magnet synchronous machine, is the core of the roll stabilised control unit. So, a mathematical model of the torquer is derived. An FOC scheme is proposed for servo control and to provide a DC regulated voltage using the torquers. The algorithm is tested in MATLAB/Simulink.en_UK
dc.identifier.citationAlterbeh H, Whidborne JF, Luk P, Bayliss M. (2019) Modelling and control of the roll-stabilised control unit of a rotary steerable system directional drilling tool. Journal of Engineering, Volume 2019, Issue 17, June 2019, pp. 4555-4559en_UK
dc.identifier.issn2051-3305
dc.identifier.urihttps://doi.org/10.1049/joe.2018.8211
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/14162
dc.language.isoenen_UK
dc.publisherIETen_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectservomechanismsen_UK
dc.subjectmachine controlen_UK
dc.subjectmachine vector controlen_UK
dc.subjectrobust controlen_UK
dc.subjectpermanent magnet machinesen_UK
dc.subjectdrillingen_UK
dc.subjectvoltage controlen_UK
dc.subjectcontrol system synthesisen_UK
dc.subjectsynchronous machinesen_UK
dc.subjectclosed loop systemsen_UK
dc.subjectdrilling (geotechnical);en_UK
dc.subjectpermanent magnet motorsen_UK
dc.subjectmotion controlen_UK
dc.subjectvalvesen_UK
dc.titleModelling and control of the roll-stabilised control unit of a rotary steerable system directional drilling toolen_UK
dc.typeArticleen_UK

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