Search Results - "Vicuña, Cristián Molina"

Fault Detection of Planetary Gears Based on Signal Space Constellations by Martincorena-Arraiza, Maite, De La Cruz Blas, Carlos A, Lopez-Martin, Antonio, Vicuña, Cristián Molina, Matías, Ignacio R

“…A new method to process the vibration signal acquired by an accelerometer placed in a planetary gearbox housing is proposed, which is useful to detect…”
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A Review of Gear Fault Diagnosis of Planetary Gearboxes Using Acoustic Emissions by Leaman, Félix, Vicuña, Cristián Molina, Clausen, Elisabeth

“…Despite the progress made in the last decades in the field of machine condition monitoring, there are still cases where the current state of the art is not…”
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Potential of Empirical Mode Decomposition for Hilbert Demodulation of Acoustic Emission Signals in Gearbox Diagnostics by Leaman, Félix, Vicuña, Cristián Molina, Clausen, Elisabeth

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Vibration characteristics of single-stage planetary gear transmissions by Molina Vicuña, Cristián

“…Condition monitoring based on vibration measurement and analysis of planetary gear transmissions has not provided the same good results observed in…”
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A method for reduction of Acoustic Emission (AE) data with application in machine failure detection and diagnosis by Vicuña, Cristián Molina, Höweler, Christoph

“…•TriSignal: a method for large reduction of Acoustic Emissions (AE) data.•TriSignal spectrum provides same information as envelope spectrum.•Method allows…”
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Feedback on the Surveillance 8 challenge: Vibration-based diagnosis of a Safran aircraft engine by Antoni, Jérôme, Griffaton, Julien, André, Hugo, Avendaño-Valencia, Luis David, Bonnardot, Frédéric, Cardona-Morales, Oscar, Castellanos-Dominguez, German, Daga, Alessandro Paolo, Leclère, Quentin, Vicuña, Cristián Molina, Acuña, David Quezada, Ompusunggu, Agusmian Partogi, Sierra-Alonso, Edgar F.

“…•Feedback on the Safran contest organized at the Int. Conf. Surveillance 8.•Benchmark of vibration-based diagnosis methods of aircraft engines in transient…”
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Short Review of the Use of Acoustic Emissions for Detection and Monitoring of Cracks by Carrasco, Álvaro, Méndez, Franco, Leaman, Félix, Molina Vicuña, Cristián

“…Proper detection and monitoring of cracks are crucial when evaluating the health of equipment and structures because of the catastrophic failures that can…”
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Theoretical frequency analysis of vibrations from planetary gearboxes by Molina Vicuña, Cristián

“…A phenomenological model descriptive of the vibrations generated on a single-stage planetary gearbox when measured with a sensor mounted on the outer part of…”
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Two methods for modeling vibrations of planetary gearboxes including faults: Comparison and validation by Parra, J., Vicuña, Cristián Molina

“…•Models are used to study frequency content of planetary gearbox vibrations.•Lumped-parameter model results decomposed into inertial reference frame.•Local…”
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Experimental evaluation of the effect of soil water fluctuations in the dynamic behavior of machines by Miranda Cremaschi, Marcelo, Escribano Leiva, Daniella, Saavedra González, Pedro, Molina Vicuña, Cristián

“…In this study the dynamic response of a machine-foundation-soil system was investigated experimentally and theoretically. The objective of this work is to…”
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Dynamic and phenomenological vibration models for failure prediction on planet gears of planetary gearboxes by Torregrosa Koch, Juan Pablo, Molina Vicuña, Cristián

“…Faults detection in planet gears of planetary gearboxes by vibration analysis is not as straightforward as the detection of failures in conventional gear…”
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Vibration characteristics of single-stage planetary gear transmissions/Características vibratorias de transmisiones planetarias de una etapa by Vicuña, Cristián Molina

“…Condition monitoring based on vibration measurement and analysis of planetary gear transmissions has not provided the same good results observed in…”
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Effects of operating conditions on the Acoustic Emissions (AE) from planetary gearboxes by Vicuña, Cristián Molina

“…In the last decade, the use of acoustic emissions has received growing acceptance for its application in machine condition monitoring. This is because it…”
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Pattern recognition approach for acoustic emission burst detection in a gearbox under different operating conditions by Leaman, Félix, Vicuña, Cristián Molina, Baltes, Ralph, Clausen, Elisabeth

“…Diverse machines in the mining, energy, and other industrial sectors are subject to variable operating conditions (OCs) such as rotational speed and load…”
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Correlation Between Power and Lifters Forces in Grinding Mills by Pulgar, Jose Venegas, Valenzuela, M. Anibal, Molina Vicuna, Cristian

“…Using a discrete element method (DEM) software, this paper develops a methodology to obtain the forces acting on each face of the lifters and on the liner…”
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Effects of operating conditions on the Acoustic Emissions (AE) from planetary gearboxes : Condition Monitoring of Machinery in Non-Stationary Operations by VICUNA, Cristián Molina

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