Application of the ensemble empirical mode decomposition and Hilbert transform to pedestal looseness study of direct-drive wind turbine

Energy

Volumn 36, Issue 9, 2011, Pages 5508-5520

  An, Xueli ^a   Jiang, Dongxiang ^a   Li, Shaohua ^a   Zhao, Minghao ^a  

^a TSINGHUA UNIVERSITY   (China)

Author keywords

Bearing pedestal looseness; Direct drive wind turbine; Ensemble empirical mode decomposition; Hilbert transform; Non stationary signal; Time frequency analysis

Indexed keywords

BEARINGS (STRUCTURAL); SIGNAL PROCESSING; VIBRATION ANALYSIS; WIND TURBINES;

DIRECT DRIVE; ENSEMBLE EMPIRICAL MODE DECOMPOSITION; HILBERT TRANSFORM; NONSTATIONARY SIGNALS; PEDESTAL LOOSENESS; TIME FREQUENCY ANALYSIS;

MATHEMATICAL TRANSFORMATIONS;

EMPIRICAL ANALYSIS; EXPERIMENTAL STUDY; NONLINEARITY; POWER GENERATION; TRANSFORM; WIND TURBINE;

EID: 80052078621     PISSN: 03605442     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.energy.2011.07.025     Document Type: Article

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