Browsing Productos de investigación by Title
Now showing items 423-442 of 796
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Kernel-based machine learning models for the prediction of dengue and chikungunya morbidity in Colombia
(Springer Verlag, 2017)Dengue and Chikungunya fever are two viral diseases of great public health concern in Colombia and other tropical countries as they are both transmitted by Aedes mosquitoes, which are endemic to this area. In recent years, ... -
Key Aspects in the design of silicone/graphene-based strain sensors for structural monitoring
(Cartagena de Indias, 2020-12-24)The graphene as a material used in engineering applications has been on the rise in the last decade due to being a material with interesting electrical and structural properties. This possibility offers a very wide range ... -
Kinematic Analysis and Performance of a Planar 3RRR Parallel Robot with Kinematic Redundancy using Screw Theory
(Institute of Electrical and Electronics Engineers Inc., 2018)In this paper, a complete kinematic analysis of a planar 3-RRR parallel robot is presented. The position through the direct and inverse kinematics, velocities, jacobians and accelerations were developed using Screw Theory. ... -
Kinematic and Workspace Analysis of Spherical 3RRR Coaxial Parallel Robot Based on Screw Theory
(Cartagena de Indias, 2020-12-24)A kinematic and workspace analysis of Spherical 3-RRR Coaxial Parallel Robot are developed in this paper. Position and orientation was determined through the inverse and forward kinematics using geometric and numerical ... -
Kinematic parameter estimation using close range photogrammetry for sport applications
(SPIE, 2015)In this article, we show the development of a low-cost hardware/software system based on close range photogrammetry to track the movement of a person performing weightlifting. The goal is to reduce the costs to the trainers ... -
Large scale integration of renewable energy sources (RES) in the future Colombian energy system
(Elsevier Ltd, 2019)The diversification of the energy matrix, including larger shares of Renewable Energy Sources (RES), is a significant part of the Colombian energy strategy towards a sustainable and more secure energy system. Historically, ... -
Latencies in power systems: A database-based time-delay compensation for memory controllers
(Cartagena de Indias, 2021-01-18)Time-delay is inherent to communications schemes in power systems, and in a closed loop strategy the presence of latencies increases inter-area oscillations and security problems in tie-lines. Recently, Wide Area Measurement ... -
Learning styles for algebra concepts: The case of engineering students at the Universidad de Santander (Valledupar, Colombia)
(Cartagena de Indias, 2019)The objective of this research was to evaluate the learning styles for algebra concepts of the students of the industrial engineering program of the University of Santander, Valledupar, Cesar, Colombia. A descriptive study ... -
Leveraging 1-wire communication bus system for secure home automation
(Springer Verlag, 2017)Home automation is a rising technology that is available to anyone thanks to the reduce cost of the embedded systems. Since the appearance of different products to create your own domotic system, and the recent popularity ... -
Leveraging Emergency Response System Using the Internet of Things. A Preliminary Approach
(Cartagena de Indias, 2020-12-25)The Internet of Things (IoT) is a new paradigm that is arising in all areas of technology, finding novel applications every day that can improve many aspects of people’s lives. Several applications using IoT have been ... -
Leveraging speculative architectures for runtime program validation
(2013)Program execution can be tampered with by malicious attackers through exploiting software vulnerabilities. Changing the program behavior by compromising control data and decision data has become the most serious threat in ... -
LFSR characteristic polynomial and phase shifter computation for two-dimensional test set generation
(Institute of Electrical and Electronics Engineers Inc., 2017)In built-in two-dimensional deterministic test pattern generation, a Linear Feedback Shift Register (LFSR) extended by phase shifters (PS) is commonly used for generating the test patterns. The specific LFSR/PS structure ... -
Libertad y oportunidad. Consideraciones sobre justicia distributiva en Amartya Sen y Philippe Van Parijs.
(Cartagena de Indias, 2020-08-06)El presente ensayo tiene como propósito una aproximación a las concepciones de la justicia distributiva en dos economistas contemporáneos: Amartya Sen y Philippe Van Parijs. Para tal fin, se aborda de forma transversal la ... -
Light-induced control of the spin distribution on Cu–dithiolene complexes: A correlated ab initio study
(MDPI AG, 2019)Metal dithiolene complexes—M(dmit)2—are key building blocks for magnetic, conducting, and optical molecular materials, with singular electronic structures resulting from the mixing of the metal and dmit ligand orbitals. ... -
Lineamientos de estimación de costos para proyectos privados arquitectónicos, con base en un modelo de clasificación único
(Cartagena de Indias, 2020)El presente trabajo de investigación muestra una propuesta de pautas de estimación de costos para proyectos arquitectónicos privados en Colombia. Basado en la teoría de que un modelo de clasificación permite desarrollos ... -
Linear model to estimate the degradation index on the processing of recycled polypropylene due to the addition of stabilizer
(Universidad de Tarapaca, 2016)In the present research work, a lineal model to estimate the Processing Degradation Index (PDI) of polypropylene from recycled industrial waste and municipal solid waste is presented. According to the previous thing an ... -
Linear power flow formulation for low-voltage DC power grids
(Elsevier Ltd, 2018)This paper presents a reformulation of the power flow problem in low-voltage dc (LVDC) power grids via Taylor's series expansion. The solution of the original nonlinear quadratic model is achieved with this proposed ... -
Location of FACTS Devices in Power Systems: Application to the IEEE 9 bus System
(Institute of Electrical and Electronics Engineers Inc., 2019)This paper proposes a methodology to find the location of a flexible transmission system in AC in a power system, based on a nodal order and the analysis of repetitive power flows. To check the proposed methodology, the ... -
Logistic regression models for predicting daily airborne Alternaria and Cladosporium concentration levels in Catalonia (NE Spain)
(Springer New York LLC, 2019)Alternaria and Cladosporium are the most common airborne fungal spores responsible for health problems, as well as for crop pathologies. The study of their behavior in the air is a necessary step for establishing control ... -
LoRAWAN network coverage testing design using open-source low-cost hardware
(Cartagena de Indias, 2020-12-01)The Internet of Things (IoT) is considered to be one of the most radical technological advances of the century. The increasing amount of applications and devices, requires the deployment of a large network infrastructure ...
