Search Results - "Sadek, C."

Sensor Fusion to Estimate the Depth and Width of the Weld Bead in Real Time in GMAW Processes by Bestard, Guillermo Alvarez, Sampaio, Renato Coral, Vargas, José A R, Alfaro, Sadek C Absi

“…The arc welding process is widely used in industry but its automatic control is limited by the difficulty in measuring the weld bead geometry and closing the…”
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Characterization of “Humping” in the GTA welding process using infrared images by Alfaro, Sadek C. Absi, Vargas, José Alfredo Ruiz, de Carvalho, Guilherme Caribé, de Souza, Giuliano Gonçalves

“…•A novel defects identification technique based on the isotherms geometry.•The use of infrared thermography can help to understand the weld bead defect…”
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Weld bead geometry real-time control in gas metal arc welding processes using intelligent systems by Girón-Cruz, Jorge Andrés, Pinto-Lopera, Jesús Emilio, Alfaro, Sadek C. A.

“…Gas metal arc welding (GMAW) process is one of the most important in the industry, so different efforts have been made to anticipate the parameters to convert…”
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Analysis of GMAW process with deep learning and machine learning techniques by Thompson Martínez, Rogfel, Alvarez Bestard, Guillermo, Martins Almeida Silva, Alysson, Absi Alfaro, Sadek C.

“…GMAW (Gas Metal Arc Welding) is widely applied industrially in ferrous and non-ferrous materials. The interrelation of its initial and final parameters of GMAW…”
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Two gas metal arc welding process dataset of arc parameters and input parameters by Thompson Martinez, Rogfel, Alvarez Bestard, Guillermo, Absi Alfaro, Sadek C.

“…The dataset was collected from experiments using the gas metal arc welding (GMAW) process. The experiments were planned with Central Composite Design to obtain…”
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ELM with guaranteed performance for online approximation of dynamical systems by Grzeidak, Emerson, Vargas, José A. R., Alfaro, Sadek C. A.

“…This paper presents an adaptive identification approach based on extreme learning machine (ELM), single hidden layer feedfoward neural networks, high-order…”
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A methodology for modeling and control of weld bead width in the GMAW process by Cruz, Jorge Giron, Torres, Edna Moncayo, Absi Alfaro, Sadek C.

“…The need to improve productivity and quality has led to the development and improvement of techniques and systems for monitoring and controlling welding…”
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Exploring infrared sensoring for real time welding defects monitoring in GTAW by Alfaro, Sadek C A, Franco, Fernand Díaz

“…This paper presents an evaluation of an infrared sensor for monitoring the welding pool temperature in a Gas Tungsten Arc Welding (GTAW) process. The purpose…”
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A Non-Intrusive GMA Welding Process Quality Monitoring System Using Acoustic Sensing by Cayo, Eber Huanca, Alfaro, Sadek Crisostomo Absi

“…Most of the inspection methods used for detection and localization of welding disturbances are based on the evaluation of some direct measurements of welding…”
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Modelling and control of weld height reinforcement in the GMAW process by Cruz, Jorge Giron, Torres, Edna Moncayo, Absi Alfaro, Sadek C.

“…In a recent research related to technological application in monitoring and control of welding, the use of various approaches to improve the productivity and…”
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Modeling and simulation of the metal transfer on GMAW-S process by Meneses, Lissy Y. H., Silva, Alysson M. A., Alfaro, Sadek C. A.

“…The GMAW-S process occurs from sequences of arcing and short-circuit welding periods. For modeling purposes, many researchers believe that the metal transfer…”
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Comparative Study of Hydrocarbon, Fluorocarbon, and Aromatic Bonded RP-HPLC Stationary Phases by Linear Solvation Energy Relationships by Reta, Mario, Carr, Peter W, Sadek, Paul C, Rutan, Sarah C

“…The retention properties of eight alkyl, aromatic, and fluorinated reversed-phase high-performance liquid chromatography bonded phases were characterized…”
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FPGA-based approach for change detection in GTAW welding process by Llanos, Carlos H., Hurtado, Ronald H., Alfaro, Sadek C. Absi

“…This paper presents the development of an FPGA-based platform for online discontinuity detection in a Gas Tungsten Arc Welding (GTAW) process, through the…”
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A weld defects detection system based on a spectrometer by Bebiano, Daniel, Alfaro, Sadek C A

“…Improved product quality and production methods, and decreased production costs are important objectives of industries. Welding processes are part of this…”
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Emission spectrometry evaluation in arc welding monitoring system by Alfaro, Sadek C.A., de S. Mendonça, Diogo, Matos, Marcelo S.

“…This work describes exploratory experimental procedures implemented for the development of a non-intrusive and real-time sensor for weld defect tracking which…”
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Sptrx‐2, a fusion protein composed of one thioredoxin and three tandemly repeated NDP‐kinase domains is expressed in human testis germ cells by Sadek, Christine M., Damdimopoulos, Anastasios E., Pelto‐Huikko, Markku, Gustafsson, Jan‐Åke, Spyrou, Giannis, Miranda‐Vizuete, Antonio

“…Background Thioredoxins (Trx) are small redox proteins that function as general protein disulphide reductases and regulate several cellular processes such as…”
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IDF21-0498 Innovative ways to continue serving People with Type 1 Diabetes during Covid 19 pandemic by Abi Saad, M., Rayes Sadek, C.

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Cytochrome P450IA1 is rapidly induced in normal human keratinocytes in the absence of xenobiotics by Sadek, C M, Allen-Hoffmann, B L

“…Cytochrome P450IA1 is a polycyclic aromatic hydrocarbon (PAH)-responsive monooxygenase enzyme with no known endogenous inducer or substrate. We investigated…”
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Suspension-mediated induction of Hepa 1c1c7 Cyp1a-1 expression is dependent on the Ah receptor signal transduction pathway by Sadek, C.M., Allen-Hoffmann, B.L.

“…We have recently demonstrated that release of normal human epithelial cells from cell-substratum and/or cell-cell adhesion generates cellular signals that…”
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Characterization of human thioredoxin-like 2. A novel microtubule-binding thioredoxin expressed predominantly in the cilia of lung airway epithelium and spermatid manchette and axoneme by Sadek, Christine M, Jiménez, Alberto, Damdimopoulos, Anastasios E, Kieselbach, Thomas, Nord, Magnus, Gustafsson, Jan-Ake, Spyrou, Giannis, Davis, Elaine C, Oko, Richard, van der Hoorn, Frans A, Miranda-Vizuete, Antonio

“…We describe here the cloning and characterization of a novel member of the thioredoxin family, thioredoxin-like protein 2 (Txl-2). The Txl-2 open reading frame…”
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