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Adaptive approximation-based estimation of downhole pressure in managed pressure drilling

Imsland, Lars Struen; Kaasa, Glenn-Ole
Journal article, Peer reviewed
Accepted version
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URI
http://hdl.handle.net/11250/2463710
Date
2012
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  • Institutt for teknisk kybernetikk [4104]
  • Publikasjoner fra CRIStin - NTNU [41957]
Original version
Proceedings of the IEEE Conference on Control Applications. 2012, 104-111.   10.1109/CCA.2012.6402472
Abstract
Low-complexity multi-model algorithms for adaptive bottomhole pressure estimation in drilling is derived, and theoretical and practical conditions for convergence (persistency of excitation) discussed, assuming a) topside measurements only, b) topside measurements and bottomhole pressure measurement, and c) topside measurements and delayed bottomhole pressure measurement.
Publisher
IEEE
Journal
Proceedings of the IEEE Conference on Control Applications

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