Search Results - "Daga, Alessandro Paolo"

Performance of Envelope Demodulation for Bearing Damage Detection on CWRU Accelerometric Data: Kurtogram and Traditional Indicators vs. Targeted a Posteriori Band Indicators by Alessandro Paolo, Daga, Luigi, Garibaldi, Alessandro, Fasana, Stefano, Marchesiello

“…Envelope demodulation of vibration signals is surely one of the most successful methods of analysis for highlighting diagnostic information of rolling element…”
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Diagnostics of Rotating Machinery through Vibration Monitoring: Signal Processing and Pattern Analysis by Daga, Alessandro Paolo, Garibaldi, Luigi

“…Rotating machinery, ubiquitous in industrial applications, is vital for numerous processes, so ensuring their reliability, efficiency and safety is of primary…”
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Diagnosis of Faulty Wind Turbine Bearings Using Tower Vibration Measurements by Castellani, Francesco, Garibaldi, Luigi, Daga, Alessandro Paolo, Astolfi, Davide, Natili, Francesco

“…Condition monitoring of gear-based mechanical systems in non-stationary operation conditions is in general very challenging. This issue is particularly…”
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GA-Adaptive Template Matching for Offline Shape Motion Tracking Based on Edge Detection: IAS Estimation from the SURVISHNO 2019 Challenge Video for Machine Diagnostics Purposes by Daga, Alessandro Paolo, Garibaldi, Luigi

“…The estimation of the Instantaneous Angular Speed (IAS) has in recent years attracted a growing interest in the diagnostics of rotating machines. Measurement…”
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Multi-Scale Wind Turbine Bearings Supervision Techniques Using Industrial SCADA and Vibration Data by Natili, Francesco, Daga, Alessandro Paolo, Castellani, Francesco, Garibaldi, Luigi

“…Timely damage diagnosis of wind turbine rolling elements is a keystone for improving availability and eventually diminishing the cost of wind energy: from this…”
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Machine Vibration Monitoring for Diagnostics through Hypothesis Testing by Daga, Alessandro Paolo, Garibaldi, Luigi

“…Nowadays, the subject of machine diagnostics is gathering growing interest in the research field as switching from a programmed to a preventive maintenance…”
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Dimensionality Reduction Methods of a Clustered Dataset for the Diagnosis of a SCADA-Equipped Complex Machine by Viale, Luca, Daga, Alessandro Paolo, Fasana, Alessandro, Garibaldi, Luigi

“…Machinery diagnostics in the industrial field have assumed a fundamental role for both technical, economic and safety reasons. The use of sensors, data…”
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From Novelty Detection to a Genetic Algorithm Optimized Classification for the Diagnosis of a SCADA-Equipped Complex Machine by Viale, Luca, Daga, Alessandro Paolo, Fasana, Alessandro, Garibaldi, Luigi

“…In the field of Diagnostics, the fundamental task of detecting damage is basically a binary classification problem, which is addressed in many cases via…”
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Key-Phase-Free Blade Tip-Timing for Nonstationary Test Conditions: An Improved Algorithm for the Vibration Monitoring of a SAFRAN Turbomachine from the Surveillance 9 International Conference Contest by Daga, Alessandro Paolo, Garibaldi, Luigi, He, Changbo, Antoni, Jerome

“…A turbomachine is a fundamental engineering apparatus meant to transfer energy between a rotor and a fluid. Turbomachines are the core of power generation in…”
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Vibration monitoring of a hydroelectric power generation unit: Improved indicators of rotor health based on orbital analysis by Daga, Alessandro Paolo, Garibaldi, Luigi, Cuvato, Damiano, Bonjean, Manuel, Sannolo, Antonino, Artaz, Lorenzo

“…Hydropower generation units (HGUs) are electromechanical systems meant to transform the potential energy of flowing water (i.e., a renewable energy source)…”
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The Politecnico di Torino rolling bearing test rig: Description and analysis of open access data by Daga, Alessandro Paolo, Fasana, Alessandro, Marchesiello, Stefano, Garibaldi, Luigi

“…•Benchmark data for bearings: 2 triaxial accelerometers, 7 health conditions varying severity and location.•Simple time series features from the accelerometric…”
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Least squares smoothed k-nearest neighbors online prediction of the remaining useful life of a NASA turbofan by Viale, Luca, Daga, Alessandro Paolo, Fasana, Alessandro, Garibaldi, Luigi

“…An accurate prediction of the Remaining Useful Life (RUL) of aircraft engines plays a fundamental role in the aerospace field since it is both mission and…”
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On pyroshock tests for aerospace equipment qualification: A comprehensive parametric model for the simulation and the design of pyroshock test facilities by Viale, Luca, Daga, Alessandro Paolo, Fasana, Alessandro, Garibaldi, Luigi

“…•This work presents a comprehensive parametric model to optimally simulate/design pyroshock tests.•The novel implementation of an embedded CAD modeler –…”
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An Improved Key-Phase-Free Blade Tip-Timing Technique for Nonstationary Test Conditions and Its Application on Large-Scale Centrifugal Compressor Blades by He, Changbo, Antoni, Jerome, Daga, Alessandro Paolo, Li, Hongkun, Chu, Ning, Lu, Siliang, Li, Zhixiong

“…Large-scale centrifugal compressor is an essential fluid machinery in modern industry. The blades, a critical part of compressors, always work under severe and…”
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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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Turbomolecular high-vacuum pump bearings diagnostics using temperature and vibration measurements by Daga, Alessandro Paolo, Garibaldi, Luigi, Bonmassar, Luca

“…Turbomolecular pumps are devices designed to obtain and maintain high vacuum. These are based on the principle that momentum can be given to gas molecules by…”
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Big Data management: A Vibration Monitoring point of view by Daga, Alessandro Paolo, Fasana, Alessandro, Garibaldi, Luigi, Marchesiello, Stefano

“…Vibration Monitoring is a particular kind of Condition Monitoring meant to infer the state of health of a machine from accelerometric measurements. From a…”
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