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Valdir Roque Dallabrida, Pedro Luís Büttenbender, António Manuel Alhinho Covas, Maria das Mercês Cabrita de Mendonça Covas, Pablo Costamagna, Elaine Cristina de Oliveira Menezes
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Roque Calvo and Ana Arteaga
Heterogeneous systems of limited capacity have general applications in manufacturing, but also in logistic or service systems due to the differences in server or workstation performance or work assignment; this is in close relationship with system flexib...
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Francesco Fusco, Vittorio Ugo Castrillo, Hernan Maximiliano Roque Giannetta, Marta Albano and Enrico Cavallini
In the world of space systems and launchers in particular, there is always a strong demand for the reduction of the weight of all components/subsystems that are not related to the payload and simplification of the integration phase. A possible solution t...
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Miguel Montiel and Roque Corral
The application of the time-inclined method in a fourth-order unstructured flux-reconstruction code for turbomachinery is demonstrated. Inviscid and viscous unsteady results due to the interaction of an incoming gust of total pressure with a linear casca...
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Ervin Galan-Uribe, Luis Morales-Velazquez and Roque Alfredo Osornio-Rios
Industrial processes involving manipulator robots require accurate positioning and orienting for high-quality results. Any decrease in positional accuracy can result in resource wastage. Machine learning methodologies have been proposed to analyze failur...
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Eduardo Ortega, Gabriela Pedro Gomes, Neuza Ribeiro and Daniel Roque Gomes
The tourism industry has been distinguishing itself by promoting economic benefits and contributing to the creation of employment and opportunities in the country. This paper aims to investigate and analyze the impact of symmetric internal communication ...
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António Roque, Duarte M. Sousa, Pedro J. Sebastião, Vítor Silva and Elmano Margato
The performance of FFC-NMR power supplies is evaluated not only considering the technique requirements but also comparing efficiencies and power consumption. Since the characteristics of FFC-NMR power supplies depend on the power circuit topology and on ...
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Jairo Olguin-Roque, Sergio Salazar, Iván González-Hernandez and Rogelio Lozano
This paper proposes a robust algorithm based on a fixed-time sliding mode controller (FTSMC) for a Quadrotor aircraft. This approach is based on Lyapunov theory, which guarantees system stability. Nonlinear error dynamics techniques are used to achieve a...
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Daniel Isaac Roque, Andrés Caicedo Carrero
Pág. 167 - 192
Predecir la quiebra de una empresa ha dado lugar a varias investigaciones. Se ha planteado el uso de las razones financieras como indicador para medir la estabilidad de una unidad de negocio. Altman desarrolló un modelo de puntuación Z, el cual utilizó l...
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Tania Sofía Coloma Zurita,José Luis Muñoz Marcillo,Betty Beatriz Gonzales Osorio4,Luis Roque Vivas Moreira
The Vinces river basin has a high agricultural aptitude, this has allowed the intensive development of agricultural crops that provide a significant amount of foreign exchange for the country at the cost of strong pressure on the water res...
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