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Listar por palabra clave "Discrete wavelet transform"

Mostrando ítems 1-6 de 6

A Real-Time Method for Improving Stability of Monolithic Quartz Crystal Microbalance Operating under Harsh Environmental Conditions

FERNÁNDEZ DÍAZ, ROMÁN; Calero-Alcarria, María Del Señor; Jiménez Jiménez, Yolanda; Arnau Vives, Antonio (MDPI AG, 2021-06)

[EN] Monolithic quartz crystal microbalance (MQCM) has recently emerged as a very promising technology suitable for biosensing applications. These devices consist of an array of miniaturized QCM sensors integrated within ...
A Symbolic Representation Approach for the Diagnosis of Broken Rotor Bars in Induction Motors

Karvelis, Petros; Georgoulas, George; Tsoumas, Toannis P.; Antonino Daviu, José Alfonso; Climente Alarcón, Vicente; Stylios, Chrysostomos D. (Institute of Electrical and Electronics Engineers (IEEE), 2015-10)

One of the most common deficiencies of currently existing induction motor fault diagnosis techniques is their lack of automatization. Many of them rely on the qualitative interpretation of the results, a fact that ...
Application and Optimization of the Discrete Wavelet Transform for the Detection of Broken Rotor Bars in Induction Machines

Antonino-Daviu, J.; Riera-Guasp, Martín; Roger-Folch, José; Martínez Jiménez, Félix; Peris Manguillot, Alfredo (Elsevier, 2006)

[EN] The problem of the bar breakage diagnosis in electrical induction cage machines is a matter of increasing concern nowadays, due to the widely spread use of these machines in the industry. The classical approach, focused ...
Diagnosis of rotor asymmetries in induction motors based on the transient extraction of fault components using filtering techniques

Riera-Guasp, Martín; Antonino-Daviu, J.; Rusek, Jan; Roger-Folch, José (Elsevier, 2009)

[EN] The aim of this paper is to present and validate a methodology for diagnosing rotor asymmetries in cage motors, based on the analysis of the stator startup current. The method consists of the extraction of a harmonic ...
DWT Analysis of Numerical and Experimental Data for the Diagnosis of Dynamic Eccentricities in Induction Motors

Antonino-Daviu, J.; Jover Rodriguez, P.; Riera-Guasp, Martín; Arkkio, A.; Roger-Folch, José (Elsevier, 2007)

[EN] The behaviour of an induction machine during a startup transient can provide useful information for the diagnosis of electromechanical faults. During this process, the machine works under high stresses and the effects ...
La transformada wavelet en la determinación de frecuencias dominantes en ECGs

Gutiérrez Jaime, Andrés (Universitat Politècnica de València, 2023-09-26)

[ES] El presente trabajo pretende ofrecer herramientas de análisis de frecuencias dominantes en ECGs basadas en la transformada wavelet, fundamentalmente la transformada discreta para distintas familias ortogonales ...