Buscar en RiuNet

Listar

Todo RiuNet

Mi cuenta

Acceder

Ayuda RiuNet

Admin. UPV

Listar por palabra clave "Wavelet analysis"

Mostrando ítems 1-6 de 6

A critical comparison between DWT and Hilbert-Huang-based methods for the diagnosis of rotor bar failures in induction machines

Antonino-Daviu, J.; Riera-Guasp, Martín; Pineda-Sanchez, Manuel; Pérez, Rafael B. (Institute of Electrical and Electronics Engineers, 2009)

[EN] In this paper, a cutting-edge time-frequency decomposition tool, i.e., the Hilbert-Huang transform (HHT), is applied to the stator startup current to diagnose the presence of rotor asymmetries in induction machines. ...
Identifying non-stationary and long-term river-aquifer interactions as a response to large climatic patterns and anthropogenic pressures using wavelet analysis (Mancha Oriental Aquifer, Spain)

Dountcheva, Iordanka; Sanz, David; Cassiraga, Eduardo Fabián; Galabov, Vassil; Gómez-Alday, Juan José (John Wiley & Sons, 2020-12-15)

[EN] The objective of this study was to analyse periodicities and the long-term variability of monthly Jucar River-Mancha Oriental Aquifer interactions (RAI) and regionally measured precipitation (PP) with special focus ...
Sound transmission through plates perforated with two periodic subwavelength hole arrays

Estrada, Héctor; Gómez Lozano, Vicente; Uris Martínez, Antonio; Candelas Valiente, Pilar; Belmar Ibáñez, Francisco; Meseguer Rico, Francisco Javier (IOP Publishing: Hybrid Open Access, 2011-03)

Theoretical results on sound transmission through plates perforated with compound periodic hole arrays are presented. Calculations are obtained by means of a model under the rigid-solid assumption, which is thoroughly ...
Streamflow Variability in Colombian Pacific Basins and Their Teleconnections with Climate Indices

Canchala, Teresita; Cerón, Wilmar Loaiza; Francés, F.; Carvajal-Escobar, Yesid; Andreoli, Rita Valeria; Kayano, Mary Toshie; Alfonso-Morales, Wilfredo; Caicedo-Bravo, Eduardo; Ferreira de Souza, Rodrigo Augusto (MDPI AG, 2020-02)

[EN] Oceanic-atmospheric phenomena of different time scales concurrently might affect the streamflow in several basins around the world. The Atrato River Basin (ARB) and Pa-Ha River Basin (PRB) of the Colombian Pacific ...
The Use of the Wavelet Approximation Signal as a Tool for the Diagnosis of Rotor Bar Failures

Riera-Guasp, Martín; Antonino-Daviu, J.; Roger-Folch, José; Molina Palomares, Mª Pilar (Institute of Electrical and Electronics Engineers, 2008)

[EN] The aim of this paper is to present a new approach for rotor bar failure diagnosis in induction machines. The method focuses on the study of an approximation signal resulting from the wavelet decomposition of the ...
Validation of a New Method for the Diagnosis of Rotor bar Failures via Wavelet Transformation in Industrial Induction Machines

Antonino-Daviu, J.; Riera-Guasp, Martín; Roger-Folch, José; Molina Palomares, Mª Pilar (Institute of Electrical and Electronics Engineers, 2006)

[EN] In this paper, the authors propose a method for the diagnosis of rotor bar failures in induction machines, based on the analysis of the stator current during the startup using the discrete wavelet transform (DWT). ...