The search for optimal feature set in power quality event classification

S Gunal, ON Gerek, DG Ece, R Edizkan - Expert Systems with Applications, 2009 - Elsevier
The significance of detection and classification of power quality (PQ) events that disturbs the
voltage and/or current waveforms in the electrical power distribution networks is well known …

[PDF][PDF] Detection of power quality disturbances using wavelet transform

S Nath, A Dey, A Chakrabarti - World Academy of Science …, 2009 - academia.edu
This paper presents features that characterize power quality disturbances from recorded
voltage waveforms using wavelet transform. The discrete wavelet transform has been used …

Power signal classification using dynamic wavelet network

B Biswal, PK Dash, BK Panigrahi, JBV Reddy - Applied Soft Computing, 2009 - Elsevier
A new approach to classification of non-stationary power signals based on dynamic wavelet
has been considered. This paper proposes a model for non-stationary power signal …

Some observations on selection of most suitable mother wavelet for measurement of power system harmonics using CWT

A Srivastava, A Siddharth, AK Singh… - TENCON 2009-2009 …, 2009 - ieeexplore.ieee.org
In the literature, wavelet techniques are proposed for the power quality analysis of power
systems. The choice of most suitable mother wavelet, which is a key to any meaningful …

A wavelet neural network for SAR image segmentation

XB Wen, H Zhang, FY Wang - Sensors, 2009 - mdpi.com
This paper proposes a wavelet neural network (WNN) for SAR image segmentation by
combining the wavelet transform and an artificial neural network. The WNN combines the …

[HTML][HTML] Realización de los filtros de ponderación del flickermetro de la norma iec-61000-4-15 mediante la transformada wavelet

D El Montoya - Revista de la Facultad de Ingeniería Universidad …, 2009 - ve.scielo.org
La fluctuación de voltaje es la primera causa del efecto lumínico flicker. Algunas
definiciones y estándares han sido propuestos para medir el grado del flicker. Uno de los …

Ultrasonic Crack Size Estimation Based on Wavelet Neural Networks

Y Zhang, L Wang, H Zhu - The Sixth International Symposium on Neural …, 2009 - Springer
Patter recognition can be used for crack size and type classification in ultrasonic
nondestructive evaluation. This paper presents a novel approach to estimate crack size and …

Evaluation model of learning effect based on adaptive wavelet neural network

J Liu, J Han, H Zhao - 2009 Fifth International Conference on …, 2009 - ieeexplore.ieee.org
With the rapid development of computer technology and the wide application of Internet,
Web-based learning is now becoming an important learning form. The rapid development of …

A power quality analysis scheme using adaptive subband decomposition

DG Ece, ON Gerek - European transactions on electrical power, 2009 - Wiley Online Library
In this work, a new event detection method for power quality analysis based on the statistical
analysis of adaptive decomposition signals is presented. The combination of an adaptive …

Implementation of the flickermeter based on the standard iec-61000-4-15 through the discrete wavelet transform

D El Montoya - Revista de la Facultad de Ingeniería Universidad …, 2009 - ve.scielo.org
Implementation of the flickermeter based on the standard iec-61000-4-15 through the
discrete wavelet transform SciELO - Scientific Electronic Library Online vol.24 número4 Un …