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Lptv Subspace Analysis of Wind Turbines Data
- Source :
- EWSHM-7th European Workshop on Structural Health Monitoring, EWSHM-7th European Workshop on Structural Health Monitoring, IFFSTTAR, Inria, Université de Nantes, Jul 2014, Nantes, France, Scopus-Elsevier
- Publication Year :
- 2014
- Publisher :
- HAL CCSD, 2014.
-
Abstract
- International audience; The modal analysis of a wind turbine has been generally handled with the assumption that this structure can be accurately modeled as linear time-invariant. Such assumption may be misleading for stability analysis, especially, with the current development of very large wind turbines with complex dynamic behavior (nonlinearity, aeroelastic coupling). Therefore in this paper, the inherent periodically time-varying dynamics of wind turbines (and for rotating systems, in general) is taken into account. Recently a subspace algorithm for modal analysis of rotating systems has been proposed. It is tested on a simulated and real data from a wind turbine.
- Subjects :
- [STAT.TH] Statistics [stat]/Statistics Theory [stat.TH]
[MATH.MATH-ST]Mathematics [math]/Statistics [math.ST]
Modal analysis
Energy SHM applications for offshore structures
[PHYS.MECA]Physics [physics]/Mechanics [physics]
[STAT.TH]Statistics [stat]/Statistics Theory [stat.TH]
[PHYS.MECA] Physics [physics]/Mechanics [physics]
[SPI.MECA]Engineering Sciences [physics]/Mechanics [physics.med-ph]
[SPI.MECA] Engineering Sciences [physics]/Mechanics [physics.med-ph]
[MATH.MATH-ST] Mathematics [math]/Statistics [math.ST]
Marine SHM applications
Subjects
Details
- Language :
- English
- Database :
- OpenAIRE
- Journal :
- EWSHM-7th European Workshop on Structural Health Monitoring, EWSHM-7th European Workshop on Structural Health Monitoring, IFFSTTAR, Inria, Université de Nantes, Jul 2014, Nantes, France, Scopus-Elsevier
- Accession number :
- edsair.dedup.wf.001..5f9de3c21f6cbe8998854c8f709b4154