Keywords: سوراخ طوفان; REB; rolling element bearing; SES; squared envelope spectrum; SK; spectral kurtosis; STFT; short-time Fourrier transform; MED; minimum entropy deconvolution; CS; cyclostationary; SC; spectral correlation; SCoh; spectral coherence, IES, improved envelope s
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Keywords: سوراخ طوفان; ART2; Feature extraction; Fault diagnosis; High speed shaft bearing; Wind turbines; AGWN; Additive Gaussian White Noise; ANN; Artificial Neural Network; ART2; Adaptive Resonance Theory 2; D; degraded state; EEMD; Ensemble Empirical Mode Decomposition; EMD
Keywords: سوراخ طوفان; Localization; Cavitation; Spectral kurtosis; Time delay;
Keywords: سوراخ طوفان; Kurtogram; Over-complete rational dilation wavelet transform; Rolling element bearing; Fault diagnosis; Autocorrelation; AC; autocorrelation coefficient; BDF; ball defect frequency; HFRT; high frequency resonance technique; EO; energy operator; FFT; fast
Keywords: سوراخ طوفان; Wind turbines; Condition monitoring; Vibration dataset; Modulated data; Bearings; Signal intensity estimator; Spectral kurtosis;
Keywords: سوراخ طوفان; Fault diagnosis; Beamforming; Spectral kurtosis;
Keywords: سوراخ طوفان; Tool condition monitoring; Drilling; Chatter; Short-time Fourier transform; Spectral kurtosis;
Keywords: سوراخ طوفان; Compound faults; Gearbox; Rolling bearing; Meshing resonance; Spectral kurtosis; MRgram; Kurtogram; Fault diagnosis;
Keywords: سوراخ طوفان; Minimum entropy deconvolution; Spectral kurtosis; Multi-fault diagnosis; Envelope analysis;
Keywords: سوراخ طوفان; Spectral kurtosis; Rotating machines; Fault diagnosis; Prognostics
Keywords: سوراخ طوفان; Power quality; Classification; Transient disturbance; Spectral kurtosis; Neural network
Keywords: سوراخ طوفان; Spectral kurtosis; Signal transients; Time–frequency analysis; Morlet wavelet; Wavelet correlation filtering.
Keywords: سوراخ طوفان; Worm gearboxes diagnostics; Vibration; Spectral Kurtosis
Spectral DCS-based feature extraction method for rolling element bearing pseudo-fault in rotor-bearing system
Keywords: سوراخ طوفان; Pseudo-fault; Single-channel signal; Rotor-bearing system; Defective rolling element bearing; Cyclostationarity; Spectral kurtosis; Spectral DCS method;
Spectral L2/L1 norm: A new perspective for spectral kurtosis for characterizing non-stationary signals
Keywords: سوراخ طوفان; Spectral kurtosis; Spectral L2/L1 norm; Squared envelope spectrum; Bearing fault diagnosis; Spectral correlation;
Some further thoughts about spectral kurtosis, spectral L2/L1 norm, spectral smoothness index and spectral Gini index for characterizing repetitive transients
Keywords: سوراخ طوفان; Spectral kurtosis; Spectral L2/L1 norm; Bearing fault diagnosis; Outliers; Squared envelope analysis; Spectral Gini index; Spectral smoothness index;
The Autogram: An effective approach for selecting the optimal demodulation band in rolling element bearings diagnosis
Keywords: سوراخ طوفان; Autogram; Rolling element bearing; Cyclostationary; Autocorrelation; Spectral Kurtosis; Kurtogram; Diagnosis; Defect; Threshold; Undecimated wavelet packet transform;
Wind turbine high-speed shaft bearings health prognosis through a spectral Kurtosis-derived indices and SVR
Keywords: سوراخ طوفان; High speed shaft bearing; Fault prognosis; Spectral kurtosis; Kurtogram; Support vector regression;
The use of SESK as a trend parameter for localized bearing fault diagnosis in induction machines
Keywords: سوراخ طوفان; Bearing failures; Squared envelope analysis; Spectral kurtosis; Kurtogram; Vibration;
A new SKRgram based demodulation technique for planet bearing fault detection
Keywords: سوراخ طوفان; FCF; fault characteristic frequency; SK; spectral kurtosis; SKR; spectral kurtosis ratio; PRF; planetary rotational frequency; CRF; carrier rotational frequency; LPRF; left planetary rotational frequency; RPRF; right planetary rotational frequency; LCRF;
Rolling element bearing fault detection using PPCA and spectral kurtosis
Keywords: سوراخ طوفان; Probabilistic principal component analysis; Denoising; Spectral kurtosis; Rolling element bearing; Fault diagnosis
Application of spectral kurtosis to the detection of tip vortex cavitation noise in marine propeller
Keywords: سوراخ طوفان; Tip vortex cavitation; Inception; Spectral kurtosis; DEMON
Defect detection in deep groove ball bearing in presence of external vibration using envelope analysis and Duffing oscillator
Keywords: سوراخ طوفان; Bearing defect frequency; Envelope analysis; Spectral kurtosis; Duffing oscillator; Phase plane trajectories; Lyapunov exponents
Faulty bearing signal recovery from large noise using a hybrid method based on spectral kurtosis and ensemble empirical mode decomposition
Keywords: سوراخ طوفان; Ensemble empirical mode decomposition; Spectral kurtosis; Signal filtering; Bearing fault diagnosis
An adaptive SK technique and its application for fault detection of rolling element bearings
Keywords: سوراخ طوفان; Spectral kurtosis; Fault diagnosis; Rolling element bearing; Adaptive window
The application of spectral kurtosis on Acoustic Emission and vibrations from a defective bearing
Keywords: سوراخ طوفان; Acoustic Emission; Condition monitoring; Spectral Kurtosis; Vibration; Kurtogram
A novel method for the optimal band selection for vibration signal demodulation and comparison with the Kurtogram
Keywords: سوراخ طوفان; Rolling bearing diagnostics; Spectral kurtosis; Narrowband amplitude demodulation
Rolling element bearing diagnostics—A tutorial
Keywords: سوراخ طوفان; Rolling element bearings; Diagnostics; Cyclostationarity; Spectral kurtosis; Minimum entropy deconvolution; Envelope analysis
Detection of lubrication starved bearings in electrical motors by means of vibration analysis
Keywords: سوراخ طوفان; Lubrication starved bearing; Cyclostationary; Spectral kurtosis
On-site non-destructive measurement of termite activity using the spectral kurtosis and the discrete wavelet transform
Keywords: سوراخ طوفان; Acoustic emission; Discrete wavelet transform; Higher-order statistics; Insect detection; Spectral kurtosis; Time–frequency analysis; Transient detection
Application of spectral kurtosis for detection of a tooth crack in the planetary gear of a wind turbine
Keywords: سوراخ طوفان; Gear tooth crack; Spectral kurtosis; Wind turbine
Optimal filtering of gear signals for early damage detection based on the spectral kurtosis
Keywords: سوراخ طوفان; Enhancement of transients; Optimal filtering; Denoising; Spectral kurtosis; Gear vibration signals; Residual signal; Early damage detection
Does mixing of speech signals comply with central limit theorem?
Keywords: سوراخ طوفان; Central limit theorem; Blind separation of speech; Spectral kurtosis; ICA
Higher-order cumulants and spectral kurtosis for early detection of subterranean termites
Keywords: سوراخ طوفان; Acoustic emission; Higher-order statistics; Insect detection; Sliding cumulants; Spectral kurtosis; Time-frequency analysis; Transient detection
Fast computation of the kurtogram for the detection of transient faults
Keywords: سوراخ طوفان; Kurtogram; Spectral kurtosis; Transient detection; Vibration surveillance and diagnostics; Time–frequency; Wavelet analysis
The enhancement of fault detection and diagnosis in rolling element bearings using minimum entropy deconvolution combined with spectral kurtosis
Keywords: سوراخ طوفان; Spectral kurtosis; Autoregressive models; Minimum entropy deconvolution; Complex Morlet wavelets; Short time Fourier transform
The spectral kurtosis: application to the vibratory surveillance and diagnostics of rotating machines
Keywords: سوراخ طوفان; Spectral kurtosis; Fault detection; Blind detection; Kurtogram
The spectral kurtosis: a useful tool for characterising non-stationary signals
Keywords: سوراخ طوفان; Spectral kurtosis; Non-stationary processes; Wold–Cramér decomposition; Transients detection
Blind separation of vibration components: Principles and demonstrations
Keywords: سوراخ طوفان; Blind source separation; Vibration signals; Periodic/random separation; Stationary/nonstationary separation; Spectral kurtosis; Short-time Fourier transform;