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Hybrid Control to Improve Transient Response of Integral Action in Dynamic Positioning of Marine Vessels

Værnø, Svenn Are Tutturen; Skjetne, Roger
Journal article
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URI
http://hdl.handle.net/11250/2374415
Date
2015
Metadata
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  • Institutt for marin teknikk [2405]
  • Publikasjoner fra CRIStin - NTNU [20842]
Original version
IFAC-Papers OnLine 2015, 48(16):166-171   10.1016/j.ifacol.2015.10.275
Abstract
A hybrid control approach for integral action in the PID control law for dynamically

positioned marine vessels is considered. The proposed method is essentially a resetting of the

integration gain when the control performance deteriorates. The method allows for a

exible

tuning, and could be useful when there are long periods of normal operating conditions, but

abnormal events may occur. In that case the hybrid controller will have a low tuning in the

normal regime and switch to a more aggressive tuning in the abnormal regime. Stability of the

hybrid system is investigated, and a simulation case is performed.
Publisher
Elsevier
Journal
IFAC-Papers OnLine

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