Results 1 to 10 of about 655,106 (217)
Percepciones de la educación básica en tiempos del covid19
Perspectivas, 2021 El año 2020, ha sido caracterizado por los efectos generados por el nuevo coronavirus, esto ha impactado todas las esferas del ser humano y en especial la educación básica, por tal motivo, este estudio ha buscado conocer las principales actitudes y ...
Óscar Lesmes Martínez +3 more
doaj +1 more source
Differential Evolution Applied to a Multilevel Inverter—A Case Study
Applied Sciences, 2022 This work aims to obtain the switching angles to reduce the total harmonic distortion (THD) and compare the different sets of angles obtained by modifying the modular index (Mi) in a seven-level multilevel inverter using the differential evolution (DE ...
Oscar Sánchez Vargas +4 more
doaj +1 more source
Informador Técnico, 2022 Este artículo presenta el cálculo, diseño, simulación y validación de los componentes estructurales del prototipo de la aeronave liviana CVAC-001 categoría VLA para uso en aspersión aérea.
Carlos Ríos-Chaparro +4 more
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Scientific Reports, 2023 This study shows a multilayer system based on samarium compounds as a corrosion inhibitor and a continuous SiO2 layer by atmospheric pressure plasma jet (APPJ) as a protective barrier for aluminim alloy AA3003.
José Antonio Cabello Mendez +3 more
doaj +1 more source
A preconditioner for the Schur complement matrix [PDF]
, 2006 A preconditioner for iterative solution of the interface problem in Schur Complement Domain Decomposition Methods is presented. This preconditioner is based on solving a global problem in a narrow strip around the interface.
Dalcin, Lisandro Daniel +5 more
core +2 more sources
Distributed Model Predictive Control Applied to a Four Interconnected Tank Process
Revista Iberoamericana de Automática e Informática Industrial RIAI, 2015 This paper presents the development of an distributed optimal predictive control (DOMPC), this controller is based on the centralized optimal predictive control (OMPC) and the dual-mode predictive control. This adaptation encompasses the partition of the
Felipe D.J. Sorcia Vázquez +5 more
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The State of the Art of Data Mining Algorithms for Predicting the COVID-19 Pandemic
Axioms, 2022 Current computer systems are accumulating huge amounts of information in several application domains. The outbreak of COVID-19 has increased rekindled interest in the use of data mining techniques for the analysis of factors that are related to the ...
Keila Vasthi Cortés-Martínez +4 more
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Fault detection and isolation using nonlinear observers for emulsion copolimerization processes
Revista Facultad de Ingeniería Universidad de Antioquia, 2013 In this work the design and implementation of a fault detection and isolation system for a process of copolymerization in emulsion are presented. The proposed approach used to design the residual generators is based on decoupling techniques using ...
Adriana del Carmen Téllez-Anguiano +4 more
doaj +1 more source
Interference between resonant and Auger mechanisms for charge-exchange processes near surfaces [PDF]
, 2003 In this work we solve the dynamics of the Newns-Anderson Hamiltonian supplemented with Auger termsand analyze the case of He1 scattered off an Al ~100! surface.
García, Evelina Andrea +3 more
core +1 more source
Representing and Capturing the Experts´ Knowledge in a Design Process [PDF]
, 2003 An object-oriented framework to support the modeling and management of the design process is introduced. It naturally integrates the representation of both the design process itself, and the outcomes that are achieved as the result of the various design ...
Gonnet, Silvio Miguel +2 more
core +1 more source