Pons Llinares, Joan; Antonino Daviu, José Alfonso; Riera-Guasp, Martín; Lee, Sang Bin; Kang, Tae-june; Yang, Chanseung(Institute of Electrical and Electronics Engineers (IEEE), 2015-03)
Transient-based fault diagnosis in induction
motors has gained increasing attention over the recent
years. This is due to its ability to avoid eventual wrong
diagnostics of the conventional motor current signature
analysis ...
Sanza, F.J.; Holgado, M.; Ortega Higueruelo, Francisco José; Casquel Del Campo, Rafael; López-Romero, D.; Bañuls Polo, Mª José; Laguna, Mari Fe; Barrios, C.A.; Puchades Pla, Rosa; Maquieira Catala, Ángel(Elsevier, 2011)
[EN] In a previous work we introduced the term Bio-Photonic Sensing Cells (BICELLs), referred to periodic networks of nano-pillar suitable for biosensing when are vertically interrogated. In this article, we demonstrate ...
New biodegradable block copolymer networks were synthesized from methacrylate-terminated poly(L-lactide) (mLA) and polycaprolactone (mCL) macromers. This allowed the realization of a series of materials in which the macromer ...
Pineda-Sanchez, Manuel; Riera-Guasp, Martín; Roger-Folch, José; Antonino-Daviu, J.; Pérez-Cruz, Juan; Puche-Panadero, Rubén(Institute of Electrical and Electronics Engineers, 2011)
[EN] Transient motor current signature analysis is a recently developed technique for motor diagnostics using speed transients. The whole speed range is used to create a unique stamp of each fault harmonic in the time-frequency ...
Sapena-Bano, Angel; Pineda-Sanchez, Manuel; Puche-Panadero, Rubén; Pérez-Cruz, Juan; Roger-Folch, José; Riera-Guasp, Martín; Martinez-Roman, Javier(Institute of Electrical and Electronics Engineers, 2015)
[EN] The diagnosis of induction machines using Fourier transform relies on tracking the frequency signature of each type of fault in the current's spectrum, but this signature depends on the machine's slip and the supply ...
Sapena Bañó, Ángel; Riera Guasp, Martín; Puche Panadero, Rubén; Martínez Román, Javier Andrés; Pérez Cruz, Juan; Pineda Sánchez, Manuel(Institute of Electrical and Electronics Engineers (IEEE), 2016-11)
[EN] This paper introduces a speed-sensorless method for detecting rotor asymmetries in wound rotor induction machines working under nonstationary conditions. The method is based on the time-frequency analysis of rotor ...
Defez Candel, Emilio; Tung, Michael Ming-Sha; Sastre, Jorge(Elsevier, 2011-04-15)
In this paper, we introduce an improved bound on the 2-norm of Hermite matrix polynomials. As a consequence, this estimate enables us to present and prove a matrix version of the Riemann-Lebesgue lemma for Fourier transforms. ...
[EN] The locally optimized chirplet spectrogram (LOCS) is a novel method proposed in this work for generating a high-resolution and cost-effective spectrogram of the induction machine (IM) current, suitable for the ...
Sapena-Bano, Angel; Pineda-Sanchez, Manuel; Puche-Panadero, Rubén; Martinez-Roman, Javier; Kanovic, Zelkjo(Institute of Electrical and Electronics Engineers, 2015)
[EN] Fault diagnosis of rotor asymmetries in induction machines working at a very low slip, through Fourier-based methods,usually requires a long acquisition time to achieve a high spectral resolution and a high sampling ...
[EN] Induction machines drive many industrial processes and their unexpected failure can cause heavy producti on losses. The analysis of the current spectrum can identify online the characteristic
fault signatures at an ...
Sapena-Bano, Angel; Burriel-Valencia, Jordi; Pineda-Sanchez, Manuel; Puche-Panadero, Rubén; Riera-Guasp, Martín(Institute of Electrical and Electronics Engineers, 2017)
[EN] This paper introduces a new approach for improving the fault diagnosis in induction motors under time-varying conditions. A significant amount of published approaches in this field rely on representing the stator ...