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Rejecting heave-induced pressure oscillations in a semilinear hyperbolic well model

Strecker, Timm; Aamo, Ole Morten
Journal article, Peer reviewed
Accepted version
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RejectingHeaveInducedPressureOscillationsInASemilinearHyperbolicWellModel.pdf (1.579Mb)
URI
http://hdl.handle.net/11250/2493702
Date
2017
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  • Institutt for teknisk kybernetikk [2833]
  • Publikasjoner fra CRIStin - NTNU [26591]
Original version
American Control Conference (ACC). 2017, 1163-1168.   10.23919/ACC.2017.7963110
Abstract
In this paper, we apply recent results on the output feedback control of 2×2 semilinear systems to the problem of rejecting heave-induced pressure oscillations in offshore drilling. The well is modeled as a transmission line with nonlinear friction, with both actuation and measurement restricted to one boundary. The heave motion is represented by disturbance terms entering both inside the domain and at the uncontrolled boundary. We construct an output feedback controller to track a reference pressure at one location in the well. The controller performance is demonstrated in simulations.
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Journal
American Control Conference (ACC)

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