Semiactive control for floating offshore wind turbines subject to aero-hydro dynamic loads

N. Luo, C. L. Bottasso, H. R. Karimi, M. Zapateiro

Research output: Contribution to journalArticlepeer-review

35 Scopus citations

Abstract

Wind and wave dynamic loads might cause undesirable vibrations that affect the structure integrity and system performance of floating offshore wind turbines. This paper addresses the problem of dynamic load mitigation by using semiactive control techniques with the tuned liquid column dampers placed on the turbine’s tower. The control law is formulated based on the mixed H2/H methods for ensuring the system stability and reliability. Furthermore, the proposed controller only uses output feedback so as to avoid the dependence on the knowledge of the states of the system.

Original languageEnglish
Article number449
Pages (from-to)772-777
Number of pages6
JournalRenewable Energy and Power Quality Journal
Volume1
Issue number9
DOIs
StatePublished - May 2011
Externally publishedYes

Keywords

  • Floating wind turbines
  • Liquid column dampers
  • Mitigation of dynamic loads and vibrations
  • Offshore wind energy
  • Semiactive control

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