Browsing Investigación by Issue Date
Now showing items 361-380 of 484
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Un algoritmo de replanificación en tiempo real basado en un índice de estabilidad de Lyapunov para líneas de metro
(2014-07-06)En este trabajo, se propone un nuevo índice basado en el método directo de Lyapunov para el diseño de un algoritmo de reprogramación en tiempo real para líneas de metro. En este estudio se utiliza una versión modificada ... -
Project-based learning and use of the CDIO Syllabus for geology course assessment
(2014-07-06)This study provides an overview of the development of hard and soft skills from project-based curriculum planning, and suggests ways to evaluate them in the context of engineering education and their importance in the ... -
Estilos digitales de estudiantes universitarios en C&T y aplicaciones didácticas de los SmartPhones en el salón de clases.
(2014-07-24)La actividad universitaria incluye la difusión y la adquisición de datos e informaciones, diseminada en múltiples bases de datos y en las más variadas posibilidades de acceso, gracias a la Internet. La inmersión de los ... -
Partially obscured human detection based on component detectors using multiple feature descriptors
(2014-08-03)This paper presents a human detection system based on component detector using multiple feature descriptors. The contribution presents two issues for dealing with the problem of partially obscured human. First, it presents ... -
Applications of Petri Nets in electric power systems
(Central America and Panama Convention (CONCAPAN XXXIV), 2014 IEEECentral America and Panama Convention (CONCAPAN XXXIV), 2014 IEEE, 2014-11-12)In this article Petri Nets are presented as a viable alternative to the modeling and analysis of electric power systems. First, the formalism of Petri Nets, its symbology and rules of use will be introduced. Additionally, ... -
Diseño de Red Inalámbrica en Exteriores
(2014-11-14)The aim of this Project is to reduce digital divide and development of rural communities through the access to academic resources that might improve their knowledge and abilities to learn. The Project proposes implementing ... -
Caracterización de la Línea 1 del Metro de Panamá
(2015-07)En este trabajo se propone una metodología para el manejo de los servicios parciales en la línea 1 del metro de Panamá. Para validar esta propuesta se presentan los resultados una serie de simulaciones que permiten ... -
Arquitectura de un Sistema Multiagente para la Clasificación de Consultas con Inyección SQL
(2015-07-01)En este artículo se presenta una arquitectura multiagente para la clasificación de consultas con inyección SQL en aplicaciones Web. La arquitectura integra la clasificación de consultas SQL, la monitorización de las acciones ... -
An Adaptive Mechanism to Protect Databases against SQL Injection
(2015-07-01)The purpose of this article is to present an adaptive and intelligent mechanism that can handle SQL injection attacks. This proposal focuses on integrating a case-based reasoning (CBR) mechanism with a neural network. The ... -
Formal Modelling Methodology for Predicting Down Syndrome Patients in Panama
(2015-07-29)Early detection of Down syndrome patients is extremely important because it allows applying appropriate clinical treatments that reduce complications, which both the mother and the baby occur during pregnancy. The ... -
Lithium-Ion Battery End-of-Discharge Time Estimation and Prognosis based on Bayesian Algorithms and Outer Feedback Correction Loops: A Comparative Analysis
(A Comparative Analysis. In the Annual Conference of the Prognostics and Health Management Society 2015A Comparative Analysis. In the Annual Conference of the Prognostics and Health Management Society 2015, 2015-08-24)Battery energy systems are currently one of the most common power sources found in mobile electromechanical devices. In all these equipment, assuring the autonomy of the system requires to determine the battery state-of-charge ... -
Behavioral and Physical Factors Influencing Energy Building Performances in Mediterranean Climate
(2015-11-01)The residential sector is used to test the relative roles of socioeconomic and behavioral variables of occupants as compared with the climate and physical building characteristics. The study is carried out considering a ... -
Characterization of Biochar from Rice Hulls and Wood Chips Produced in a Top-Lit Updraft Biomass Gasifier
(2016-01-01)The objective of this study was to characterize biochar produced from rice hulls and wood chips in a top-lit updraft gasifier. Biochar from four airflows (8, 12, 16, or 20 L min-1) and two insulation conditions (not insulated ... -
Heat Treatment: Effect on Microbiological Changes and Shelf Life
(2016-01-01)Foods are complex ecosystems constituted by the environment and the microorganisms that live in it. The food environment consists of intrinsic factors such as pH, water activity, and nutritional components and extrinsic ... -
Composition, Diversity, and Tree Structure of a Tropical Moist Forest in Gamboa, Colon, Panama
(2016-03-22)This study focuses on the floristic diversity of the forest trees found at Cerro Pelado Tropical Hydrology Observatory in Gamboa, Colon, Panama. Field work for the quantitative inventory was carried out in November 2012. ... -
Spatial genetic structure in the saddled sea bream (Oblada melanura [Linnaeus, 1758]) suggests multi-scaled patterns of connectivity between protected and unprotected areas in the Western Mediterranean Sea
(2016-04-01)Marine protected areas (MPAs) and networks of MPAs are advocated worldwide for the achievement of marine conservation objectives. Although the knowledge about population connectivity is considered fundamental for the optimal ... -
The Effect of Biomass Physical Properties on Top-Lit Updraft Gasification of Woodchips
(2016-04-12)The performance of a top-lit updraft gasifier affected by biomass (pine wood) particle size, moisture content and compactness was studied in terms of the biochar yield, biomass burning rate, syngas composition and tar ... -
Seismic Response of Hybrid Systems with Metallic and Viscous Dampers
(2016-06-27)Metallic dampers can enhance structural performance by reducing seismically induced lateral displacements, and by reducing inelastic behavior of beams and columns. Limiting story drift also indirectly allows for mitigation ... -
Décomposition d’Images Fondée sur l’Analyse de la Régularité Locale: Application au Codage Hybride d’Image
(2016-07-01)La représentation hybride d'image utilise conjointement la décomposition en ondelettes pour l'information structurée et la modélisation paramétrique pour les textures. Dans ce cadre, nous proposons un algorithme qui décompose ... -
A Fuzzy Logic Inference Approach for the Estimation of the Passengers Flow Demand
(2016-07-02)This paper presents a new approach that designs the flow of passengers in mass transportation systems in presence of uncertainties. One of the techniques used for the prediction of passenger demand is the origin- destination ...