Inspec keywords: power system measurement; wind power plants; fault diagnosis; singular value decomposition; fuzzy set theory; signal representation; power generation faults; gears; Fourier transforms; blind source separation; matrix algebra; time-frequency analysis; wind turbines

Other keywords: time-frequency domain analysis; wind turbine gearbox; short-time Fourier transform; nonlinear mixed multiple fault diagnosis; UBSS problem; mixing matrix estimation; singular value decomposition; underdetermined blind source separation; sparse signal representation; l1 norm decomposition; empirical mode decomposition; source signal recovery; vibration signal processing; source number estimation; vibration signal transformation; SVD; wind farm measurement; nonlinear signal mixture; acceleration transducer; fuzzy C-means clustering

Subjects: Wind power plants; Power system measurement and metering; Integral transforms; Signal processing and detection; Algebra; Combinatorial mathematics