Listar Productos de investigación por título
Mostrando ítems 70-89 de 1393
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A proposal for an air quality monitoring system for Cartagena de Indias
(Latin American and Caribbean Consortium of Engineering Institutions, 2019)This paper presents an Air Quality Monitoring System for the city of Cartagena de Indias. The goal of this system is to monitor the air quality in the city and to establish the current state of the air Cartagena's citizen ... -
A quadratic convex approximation for optimal operation of battery energy storage systems in DC distribution networks
(Cartagena de Indias, 2021-11-07)This paper proposes a quadratic convex model for optimal operation of battery energy storage systems in a direct current (DC) network that approximates the original nonlinear non-convex one. The proposed quadratic convex ... -
A Recommender System for Digital Newspaper Readers Based on Random Forest
(Cartagena de Indias, 2022)In this research, the potential of machine learning methods based on decision trees (DT) and Random Forest (RF) models developed in the context of classifying readers of a digital newspaper. For this purpose, the number ... -
A Resonant Ring Topology Approach to Power Line Communication Systems within Photovoltaic Plants
(Cartagena de Indias, 2022-08-09)Within this study, single-cable propagation facilitated by PV strings’ wiring characteristics is considered for an adapted design of PLC electronics. We propose to close the communications signal path, resulting in a ... -
A second-order cone programming reformulation of the economic dispatch problem of bess for apparent power compensation in ac distribution networks
(Cartagena de Indias, 2020-10-14)The problem associated with economic dispatch of battery energy storage systems (BESSs) in alternating current (AC) distribution networks is addressed in this paper through convex optimization. The exact nonlinear programming ... -
A Sequential Quadratic Programming Model for the Economic-Environmental Dispatch in MT-HVDC
(Institute of Electrical and Electronics Engineers Inc., 2019)This paper addresses the economic-environmental dispatch problem for thermal plants on a Multi-terminal HVDC power grid. A multi-objective optimization approach is used for modeling the compromise between fuel costs and ... -
A Six Sigma and DEA approach for learning outcomes assessment at industrial engineering programs
(Cartagena de Indias, 2023)This research assesses the performance of 89 industrial engineering degrees in Colombia. The proposed approach articulates the Six Sigma concept of quality with the efficiency assessment from data envelopment analysis. The ... -
A Six Sigma Approach to Assessing the Quality of Higher Education in Colombia [Un enfoque de Seis Sigma para evaluar la calidad de la educación superior en Colombia]
(Cartagena de Indias, 2022)Las instituciones universitarias se enfrentan a retos de competitividad que se enmarcan en las exigencias de la sociedad, los cambios de preferencia de los estudiantes y la evolución tecnológica; esto plantea la necesidad ... -
A Six Sigma approach to measure service quality in key dependencies of a government ministry
(Cartagena de Indias, 2021)This research proposes a method for measuring the quality of service to citizens about Complaints, Claims, and Suggestions addressed to the dependencies of a Government Ministry. The proposed method is applied using the ... -
A small vocabulary database of ultrasound image sequences of vocal tract dynamics
(Institute of Electrical and Electronics Engineers Inc., 2019)This paper presents a new database consisting of concurrent articulatory and acoustic speech data. The articulatory data correspond to ultrasound videos of the vocal tract dynamics, which allow the visualization of the ... -
A Software for Simulating Robot Swarm Aggregation
(Cartagena de Indias, 2022)Swarm robotics is a topic that focuses on studying a system composed of many homogeneous robots that collaborate to achieve a common goal. Swarm robotics presents several exciting challenges for engineers, with the development ... -
A static axisymmetric exact solution of f(R)-gravity
(2013)We present an exact, axially symmetric, static, vacuum solution for f(R)-gravity in Weyl's canonical coordinates. We obtain a general explicit expression for the dependence of df(R)/dR upon the r and z coordinates and then ... -
A Structure-from-Motion Pipeline for Generating Digital Elevation Models for Surface-Runoff Analysis
(Institute of Physics Publishing, 2019)Digital Elevation Models (DEMs) are used to derive information from the morphology of a land. The topographic attributes obtained from the DEM data allow the construction of watershed delineation useful for predicting the ... -
A structure-from-motion pipeline for topographic reconstructions using unmanned aerial vehicles and open source software
(Springer Verlag, 2018)In recent years, the generation of accurate topographic reconstructions has found applications ranging from geomorphic sciences to remote sensing and urban planning, among others. The production of high resolution, ... -
A study of the Beeclust algorithm for robot swarm aggregation
(Cartagena de Indias, 2022)Swarm robotics is a topic that has gained momentum in recent years thanks to its possibility to solve different engineering problems. Many robots are expected to work collaboratively to solve a given task. One of the main ... -
A submersible printed sensor based on a monopole-coupled split ring resonator for permittivity characterization
(MDPI AG, 2019)This work presents a non-invasive, reusable and submersible permittivity sensor that uses a microwave technique for the dielectric characterization of liquid materials. The proposed device consists of a compact split ring ... -
A successive approximations method for power flow analysis in bipolar DC networks with asymmetric constant power terminals
(Cartagena de Indias, 2022-07-02)This paper deals with the power flow problem in bipolar direct current distribution networks with unbalanced constant power loads. The effect of the neutral wire is considered in two prominent cases: (i) when the system ... -
A surface micromachined broadband millimeter-wave filter using quarter-mode substrate integrated waveguide loaded with complementary split ring resonator
(Institute of Electrical and Electronics Engineers Inc., 2014)A millimeter-wave bandpass filter (BPF) using complementary split-ring resonator (CSRR) loaded quarter-mode substrate integrated waveguide (QMSIW) cavities is presented in this work. The CSRR-loaded QMSIW cavity resonates ... -
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 ... -
A systematic review to determine the role of public space and urban design on sense of community
(Cartagena de IndiasCampus TecnológicoPsicología, 2023)The aim of this research is to determine the effect that the physical characteristics of public spaces and their perceived quality have on residents’ sense of community (SoC). A sys tematic review was carried out following ...
Universidad Tecnológica de Bolívar - 2017 Institución de Educación Superior sujeta a inspección y vigilancia por el Ministerio de Educación Nacional. Resolución No 961 del 26 de octubre de 1970 a través de la cual la Gobernación de Bolívar otorga la Personería Jurídica a la Universidad Tecnológica de Bolívar.