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Listar por Patrocinador "Secretaría de Educación Superior, Ciencia, Tecnología e Innovación, Ecuador"

Mostrando ítems 1-20 de 117

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A comprehensive study of two-stage vapor compression cycles with vapor-injection for heating applications, taking into account heat sink of finite capacity

Tello Oquendo, Fernando M.; Navarro-Peris, Emilio; Gonzálvez-Maciá, José (Elsevier, 2018-09)

[EN] This paper presents a comprehensive study of two-stage vapor compression cycles with vapor-injection for several refrigerants considering that the heat sink has a limited capacity. The key parameters of the cycle ...
A Discretized Approach to Air Pollution Monitoring Using UAV-based Sensing

Alvear-Alvear, Óscar; Tavares De Araujo Cesariny Calafate, Carlos Miguel; Zema, Nicola; Natalizio, Enrico; Hernández-Orallo, Enrique; Cano, Juan-Carlos; Manzoni, Pietro (Springer-Verlag, 2018)

[EN] Recently, Unmanned Aerial Vehicles (UAVs) have become a cheap alternative to sense pollution values in a certain area due to their flexibility and ability to carry small sensing units. In a previous work, we proposed ...
A linear programming methodology for approximate dynamic programming

Diaz, Henry; Sala, Antonio; Armesto Ángel, Leopoldo (De Gruyter Open Sp. z o.o., 2020-06)

[EN] The linear programming (LP) approach to solve the Bellman equation in dynamic programming is a well-known option for finite state and input spaces to obtain an exact solution. However, with function approximation or ...
A Partial Evaluation Framework for Order-sorted Equational Programs modulo Axioms

Alpuente Frasnedo, María; Cuenca-Ortega, Angel Eduardo; Escobar Román, Santiago; Meseguer, José (Elsevier, 2020-01)

[EN] Partial evaluation is a powerful and general program optimization technique with many successful applications. Existing PE schemes do not apply to expressive rule-based languages like Maude, CafeOBJ, OBJ, ASF+SDF, and ...
Adapting water resources systems to climate change in tropical areas: Ecuadorian coast

Rivadeneira-Vera, Jonny Fernando; Zambrano-Mera, Yeriel Elizabeth; Pérez-Martín, Miguel Ángel (Elsevier, 2020-02-10)

[EN] Climate change is expected to increase rainfall and temperature in the tropical areas of the Ecuadorian coast. The increase in temperature will also increase evapotranspiration therefore, future water balance on ...
Advances in e-Participation: A perspective of Last Years

Santamaria-Philco, Alex Andrés; Canos Cerda, José Hilario; Penades Gramage, María Carmen (Institute of Electrical and Electronics Engineers, 2019-10-22)

[EN] The opinions of citizens are now being given ever-increasing consideration. Today, many government administrations have set up public participation processes as one more of the inputs required to make a decision on ...
An alternative analysis for the local convergence of iterative methods for multiple roots including when the multiplicity is unknown

Alarcon, Diego; Hueso, Jose L.; Martínez Molada, Eulalia (Taylor & Francis, 2020-02-01)

[EN] In this paper we propose an alternative for the study of local convergence radius and the uniqueness radius for some third-order methods for multiple roots whose multiplicity is known. The main goal is to provide an ...
An Architecture Offering Mobile Pollution Sensing with High Spatial Resolution

Alvear-Alvear, Óscar; Zamora-Mero, Willian Jesus; Tavares de Araujo Cesariny Calafate, Carlos Miguel; Cano Escribá, Juan Carlos; Manzoni, Pietro (Hindawi Publishing Corporation, 2016)

Mobile sensing is becoming the best option to monitor our environment due to its ease of use, high flexibility, and low price. In this paper, we present a mobile sensing architecture able to monitor different pollutants ...
An empirical comparative evaluation of gestUI to include gesture-based interaction in user interfaces

Parra-González, Luis Otto; España Cubillo, Sergio; Panach Navarrete, Jose Ignacio; Pastor López, Oscar (Elsevier, 2019-03-01)

[EN] Currently there are tools that support the customisation of users' gestures. In general, the inclusion of new gestures implies writing new lines of code that strongly depend on the target platform where the system is ...
Analysis of vulnerability to reentry in acute myocardial ischemia using a realistic human heart model

Carpio, Edison F.; Gómez, Juan F.; Rodríguez-Matas, José F.; Trenor Gomis, Beatriz Ana; Ferrero De Loma-Osorio, José María (Elsevier, 2022-02)

[EN] Electrophysiological alterations of the myocardium caused by acute ischemia constitute a pro-arrhythmic substrate for the generation of potentially lethal arrhythmias. Experimental evidence has shown that the ...
Análisis de la implementación de un modelo hidrodinámico tridimensional al flujo de un cauce natural

Ochoa García, Santiago Aurelio; Reyna, Teresa; García, Marcelo; Herrero, Horacio; Díaz, Jose Manuel; Heredia, Ana (Universitat Politècnica de València, 2017-04-28)

[EN] In the analysis of river hydrodynamics a great quantity of variables are present, this variables when considered in solving the state equations describe the flow behavior. In this work is presented the three-dimensional ...
Análisis numérico 3D de las características del flujo en un canal curvo

Sánchez-Cordero, E.; Gómez, M.; Bladé, E. (Universitat Politècnica de València, 2020-07-31)

[ES] El presente trabajo muestra un análisis numérico 3D del comportamiento del flujo de agua en un canal curvo influenciado por la presencia de un vertedero y una compuerta. La simulación numérica se realizó utilizando ...
Análisis numérico 3D de una rotura de presa utilizando el método VOF y el modelo de turbulencia LES

Sánchez-Cordero, E.; Boix, J.; Gómez, M.; Bladé, E. (Universitat Politècnica de València, 2018-07-30)

[EN] In this paper, three-dimensional numerical analysis of dam-break flow pattern in a laboratory-scale is reported. The simulation was performed using the open source computational fluid dynamics (CFD) solver based on ...
Aplicación de la atomización y la liofilización para la obtención de polvo y snack de pomelo

Egas Astudillo, Luis Alberto (Universitat Politècnica de València, 2019-10-21)

[ES] Son muchos los estudios que vinculan el alto contenido en compuestos bioactivos de las frutas con un papel beneficioso para la salud. Por otra parte, el consumidor, cada vez más exigente, está concienciado del interés ...
Aporte del empleo fuera de finca a los ingresos de hogares indígenas y mestizos de la Amazonía ecuatoriana

Vasco, Cristian; Bilsborrow, Richard (Universitat Politècnica de València, 2016-06-17)

[EN] This study examines the process of income diversification among indigenous and mestizo households settled in one of the world’s biodiversity hotspots. The results of a random-effect tobit model show that agricultural ...
Application of Bordeaux mixture for Botrytis control in passion fruit (Passiflora ligularis Juss) cultivated under organic farming in the Andean region

Vega, J.; Escobar, B.; Velázquez Martí, Borja (WFL Publisher, 2013)

[EN] The aim of this research was the determination of the best conditions for applying Bordeaux mixture for the control of gray mold or rot (Botrytis cinerea) in passion fruit (Passiflora ligularis Juss) grown in organic ...
Application of Infrared Spectroscopy and Chemometrics to the Cocoa Industry for Fast Composition Analysis and Fraud Detection

Quelal Vásconez, Maribel Alexandra (Universitat Politècnica de València, 2020-01-20)

[ES] El cacao es un producto de alto valor, no únicamente por sus características sensoriales, sino porque también presenta un alto contenido en antioxidantes y alcaloides estimulantes con efectos saludables. Debido a la ...
Arquitectura de análisis de datos generados por el internet de las cosas IoT en tiempo real

Sarabia Jácome, David Fernando (Universitat Politècnica de València, 2020-09-02)

[ES] El Internet de las cosas (IoT, del inglés, \textit{Internet of Things}) está revolucionando la manera en que percibimos todo lo que nos rodea. La gran cantidad de objetos conectados a Internet diariamente revela el ...
Arquitectura de Automatización basada en Sistemas Ciberfísicos para la Fabricación Flexible en la Industria de Petróleo y Gas

García, Marcelo V; Irisarri, Edurne; Pérez, Federico; Estévez, Elisabet; Marcos, Marga (Universitat Politècnica de València, 2018-03-05)

[ES] Es evidente que en los próximos años gran parte de las tecnologías recogidas bajo el marco de la denominada Industria 4.0 tendrá un profundo impacto en todas las empresas y entre ellas, en las relacionadas con la ...
Arquitectura de Interoperabilidad de dispositivos físicos para el Internet de las Cosas (IoT)

Yacchirema Vargas, Diana Cecilia (Universitat Politècnica de València, 2019-10-21)

[ES] La visión del Internet de las cosas (IoT) implica un ecosistema global hiperco-nectado en el que todos los dispositivos con capacidad de comunicación se conecten de manera ubicua a Internet. Sin embargo, para alcanzar ...