Search Results - "Araujo, Ramon C. F."

Digital Twin-Based Monitoring System of Induction Motors Using IoT Sensors and Thermo-Magnetic Finite Element Analysis by Santos, Jhennifer F. Dos, Tshoombe, Bendict K., Santos, Lucas H. B., Araujo, Ramon C. F., Manito, Allan R. A., Fonseca, Wellington S., Silva, Marcelo O.

“…Electric induction motors are the type of motor most commonly operated in industry, and for this reason technologies that predict faults and reduce the…”
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Automatic PRPD Image Recognition of Multiple Simultaneous Partial Discharge Sources in On-Line Hydro-Generator Stator Bars by Araújo, Ramon C. F., de Oliveira, Rodrigo M. S., Barros, Fabrício J. B.

“…In this study, a methodology for automatic recognition of multiple simultaneous types of partial discharges (PDs) in hydro-generator stator windings was…”
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Single-Shot Time-Lapse Target-Oriented Velocity Inversion Using Machine Learning by Rincon, Katerine, Araújo, Ramon C. F., Galvão, Moisés M., Xavier-de-Souza, Samuel, de Araújo, João M., Barros, Tiago, Corso, Gilberto

“…In this study, we used machine learning (ML) to estimate time-lapse velocity variations in a reservoir region using seismic data. To accomplish this task, we…”
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Novel Features and PRPD Image Denoising Method for Improved Single-Source Partial Discharges Classification in On-Line Hydro-Generators by Araújo, Ramon C. F., de Oliveira, Rodrigo M. S., Brasil, Fernando S., Barros, Fabrício J. B.

“…In this paper, a novel image denoising algorithm and novel input features are proposed. The algorithm is applied to phase-resolved partial discharge (PRPD)…”
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Analysis of the Magnetohydrodynamic Behavior of the Fully Developed Flow of Conducting Fluid by Fonseca, Wellington da Silva, Araújo, Ramon C. F., Silva, Marcelo de Oliveira e, Cruz, Daniel Onofre de A.

“…Important industrial applications are based on magnetohydrodynamics (MHD), which concerns the flow of electrically conducting fluids immersed in external…”
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Implementation of DT-based monitoring system of induction motors by Tshoombe, Bendict Katukula, Dos Santos, Jhennifer Freitas, Araujo, Ramon C. F., Fonseca, Wellington Da Silva

“…This article presents a Digital Twin (DT)-based monitoring and analysis system for the condition monitoring of induction motors. The system measures current…”
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Magneto-Thermo-Structural Analysis of Power Transformers under Short Circuit Condition by Sousa, Antonio R. M., Fonseca, Wellington Da S., Nunes, Marcus V. A., Araujo, Ramon C. F., Lima, Diorge de S.

“…The main equipment responsible for connection and transmission of electric power from generating centers to consumers are power transformers. This equipment is…”
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Analysis of Magnetohydrodynamic Behavior of the Flow of Conductive Fluid in Pipes for Industrial Applications by da Silva Fonseca, Wellington, Araujo, Ramon C. F., e Silva, Marcelo de Oliveira, Cruz, Daniel Onofre de A.

“…Important industrial applications are based on magnetohydrodynamics (MHD), which concerns the flow of electrically conducting fluids immersed in external…”
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A System Based on Artificial Neural Networks for Automatic Classification of Hydro-generator Stator Windings Partial Discharges by Oliveira, Rodrigo M. S. de, Araújo, Ramon C. F., Barros, Fabrício J. B., Segundo, Adriano Paranhos, Zampolo, Ronaldo F., Fonseca, Wellington, Dmitriev, Victor, Brasil, Fernando S.

“…Abstract Partial discharge (PD) monitoring is widely used in rotating machines to evaluate the condition of stator winding insulation, but its practice on a…”
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DeLIA: A Dependability Library for Iterative Applications applied to parallel geophysical problems by Santana, Carla, Araújo, Ramon C.F., Sardina, Idalmis Milian, Assis, Ítalo A.S., Barros, Tiago, Bianchini, Calebe P., Oliveira, Antonio D. de S., de Araújo, João M., Chauris, Hervé, Tadonki, Claude, Xavier-de-Souza, Samuel

“…Many geophysical imaging applications, such as full-waveform inversion, often rely on high-performance computing to meet their demanding computational…”
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Estimation of Water Velocity and Receiver Position Changes in Time-Lapse Seismic Using Machine Learning by Araujo, Ramon C. F., Corso, Gilberto, Nascimento, Hugo A. D., Souza, Samuel Xavier, Araujo, João M., Barros, Tiago

“…Non-repeatability is one of the main obstacles in time-lapse seismic, as it significantly degrades the interpretation of reservoir-related signals. Correcting…”
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Finite-difference modeling of dispersive soils validated via experimental evaluation of transient grounding signals by de Oliveira, Rodrigo M.S., Fujiyoshi, Daiyuki M., Araújo, Ramon C.F., do Nascimento, Júlio A.S., Carvalho, Lorena F.P.

“…In this paper, we develop a soil dispersion model into the FDTD algorithm for analyzing grounding systems. The model is constructed by inserting into…”
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A method for locating multiple intruders with multistatic radars by Araújo, Ramon C.F., de Oliveira, Rodrigo M.S., Araújo, Josivaldo de S.

“…In this paper, it is presented for the first time a simple and effective methodology for determining the number and positions of various intruders in indoor…”
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