Productos de investigación
Recent Submissions
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Optimal Placement and sizing of D-STATCOM in radial and meshed distribution networks using a discrete-continuous version of the genetic algorithm
(Cartagena de Indias, 2021-06-02)In this paper, we propose a new discrete-continuous codification of the Chu–Beasley genetic algorithm to address the optimal placement and sizing problem of the distribution static compensators (D-STATCOM) in electrical ... -
Improved genetic algorithm for phase-balancing in three-phase distribution networks: A master-slave optimization approach
(Cartagena de Indias, 2021-05-14)This paper addresses the phase-balancing problem in three-phase power grids with the radial configuration from the perspective of master–slave optimization. The master stage corresponds to an improved version of the Chu ... -
Reduction of annual operational costs in power systems through the optimal siting and sizing of STATCOMs
(Cartagena de Indias, 2021-04-17)The problem of the optimal siting and placement of static compensates (STATCOMs) in power systems is addressed in this paper from an exact mathematical optimization point of view. A mixed-integer nonlinear programming ... -
Optimal integration of photovoltaic sources in distribution networks for daily energy losses minimization using the vortex search algorithm
(Cartagena de Indias, 2021-04-20)This paper deals with the optimal siting and sizing problem of photovoltaic (PV) generators in electrical distribution networks considering daily load and generation profiles. It proposes the discrete-continuous version ... -
LQR-Based adaptive virtual inertia for grid integration of wind energy conversion system based on synchronverter model
(Cartagena de Indias, 2021-03-06)This paper proposes adaptive virtual inertia for the synchronverter model implemented in a wind turbine generator system integrated into the grid through a back-to-back converter. A linear dynamic system is developed for ... -
Estimation of PQ distance dispersion for atrial fibrillation detection
(Cartagena de Indias, 2021-05-03)Background and objective: Atrial fibrillation (AF) is the most common cardiac arrhythmia in the world. It is associated with significantly increased morbidity and mortality. Diagnosis of the disease can be based on the ... -
A sustainability maturity model for micro, small and medium-sized enterprises (MSMEs) based on a data analytics evaluation approach
(Cartagena de Indias, 2021-05-28)A maturity model for micro, small and medium enterprises (MSMEs) is introduced to assess the level of implementation of sustainability strategies and practices in this type of business. According to the literature, only a ... -
Classical simple Lie 2-algebras of odd toral rank and a contragredient Lie 2-algebra of toral rank 4
(Cartagena de Indias, 2021-04-29)After the classification of simple Lie algebras over a field of characteristic p > 3, the main problem not yet solved in the theory of finite dimensional Lie algebras is the classification of simple Lie algebras over a ... -
Hilo lector: introducción
(Cartagena de IndiasCampus TecnológicoComunicación Social, 2020-01-28)Una serie de podcasts para estimular la lectura entre los estudiantes del programa de Comunicación Social y la Facultad de Ciencias sociales y Humanidades. Con nuestro Hilo se ha tejido una colección de lecturas de clásicos ... -
Three-dimensional multimodal medical imaging system based on freehand ultrasound and structured light
(Cartagena de Indias, 2021-05-21)We propose a three-dimensional (3D) multimodal medical imaging system that combines freehand ultrasound and structured light 3D reconstruction in a single coordinate system without requiring registration. To the best of ... -
Synthesis, characterization and catecholase biomimetic activity of novel cobalt(II), copper(II), and iron(II) complexes bearing phenylene-bisbenzimidazole ligand
(Cartagena de Indias, 2021-04-24)Transition metal complexes of Co(II), Cu(II), and Fe(II) bearing a rigid symmetrical 2,20 -(1,2-phenylene)bis (1H-benzimidazole) ligand, PhBIm2, were synthesized and fully characterized by ESI-MS, FT-IR, 1 H NMR (for ... -
Cultural damage and reparation of victims in the Colombian armed conflict. The case of the black peasant community of San Cristóbal (Montes de María – Colombia)
(Cartagena de Indias, 2021-05-16)The aim of this study is to identify and analyze the cultural damage caused by the armed conflict in the black peasant community of San Cristóbal, in Montes de María, one of the regions most affected by the prolonged ... -
Energy, economic, and environmental assessment of the integrated production of palm oil biodiesel and sugarcane ethanol
(Cartagena de Indias, 2021-05-26)The key objective of this study was to evaluate and compare, within the concept of integrated biorefining, the potential environmental gains of the life cycle, economic feasibility and energy balance of the production ... -
Method for large-scale structured-light system calibration
(Cartagena de Indias, 2021-05-24)We propose a multi-stage calibration method for increasing the overall accuracy of a large-scale structured light system by leveraging the conventional stereo calibration approach using a pinhole model. We first calibrate ... -
Methodology of classification, forecast and prediction of healthcare providers accredited in high quality in Colombia
(Cartagena de Indias, 2021-05-11)This research presents a methodology for classification, forecasting and prediction of healthcare providers accredited in Colombia. For this purpose, a quantitative, descriptive and predictive analysis was carried out of ... -
Origin and weight of news media outlets indexed on google news: An exploration of the editions from Brazil, Colombia, and Mexico
(Cartagena de Indias, 2020-12-01)Google News is a controversial news aggregation service owned by Google. By analyzing 3,738,375 news stories added in the Brazil, Colombia, and Mexico editions from January to March of 2015, 2,246 news media outlets were ... -
Study of early P91 dual corrosion in steam and simulated combustion gases from a gas-fired boile
(Cartagena de Indias, 2021-07-25)P91 ferritic steel pipes face dual environments during boilers operation: steam-side and fire-side. This P91 steel assessment differs from the dual studies performed to simulate coal-fired boilers -oxyfuel/steam atmospheres- ... -
Simultaneous Minimization of Energy Losses and Greenhouse Gas Emissions in AC Distribution Networks Using BESS
(Cartagena de IndiasCampus TecnológicoIngeniería Eléctrica, 2021-04-22)The problem of the optimal operation of battery energy storage systems (BESSs) in AC grids is addressed in this paper from the point of view of multi-objective optimization. A nonlinear programming (NLP) model is presented ... -
Production system in a collaborative supply chain considering deterioration
(Cartagena de Indias, 2021-06-24)This research presents a mathematical model for a collaborative planning of the supply chain involving four echelons (supplier, production plants, distribution, retails, or clients). The model seeks to maximize profit ... -
Advanced exergy and exergoeconomic analysis of a gas power system with steam Injection and air cooling with a compression refrigeration machine
(Cartagena de Indias, 2021-03-03)Gas turbine power plants have been widely studied, and as a result the negative effects on their output power and thermal efficiency have been known when operating in atmospheric conditions exceeding ISO conditions. For ...
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