ListarInvestigaciones por tema "LEMB"
Mostrando ítems 21-40 de 550
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A mlpg formulation for stress analysis in bi-dimensional elastic bodies
(Cartagena de Indias, 2020-08-11)In this work, a meshfree method known as Meshless Local Petrov-Galerkin was implemented in a bidimensional linear elasticity problem. Bidimensional MLS shape functions were used in the polynomial approximation of the ... -
A multifractal approach to understanding Forbush Decrease events: Correlations with geomagnetic storms and space weather phenomena
(Cartagena de Indias, 2024-05-28)The Forbush decrease phenomenon has significant impacts on several environmental conditions, including interference in radio communications, satellite navigation systems, and the health of astronauts in space, among others. ... -
A New Iterative Power Flow Method for AC Distribution Grids with Radial and Mesh Topologies
(Cartagena de Indias, 2020-11-25)This brief discusses the classical problem of power flow analysis in alternating current (ac) distribution networks through Taylor series expansion. The main advantage of this approach is that it can work with radial and ... -
A new radial basis integration method applied to the boundary element analysis of 2D scalar wave equations
(Cartagena de Indias, 2022-01-10)A new integration method named the Radial Basis Integration Method (RBIM) that include the Kriging Integration Method (KIM) Narváez and Useche (2020) as a particular case and performs boundary only offline precomputations ... -
A New Route of Valorization of Petrochemical Wastewater : Recovery of 1,3,5-Tris (4-tert-butyl-3-hydroxy-2,6-dimethyl benzyl)–1,3,5-triazine-2,4,6-(1H,3H,5H)-trione (Cyanox 1790) and Its Subsequent Application in a PP Matrix to Improve Its Thermal Stability
(Cartagena de IndiasCampus Tecnológico, 2023-02-21)The various chemicals in industrial wastewater can be beneficial for improving its circularity. If extraction methods are used to capture valuable components from the wastewater and then recirculate them throughout the ... -
A new Valorization Route of Petrochemical Wastewater: Recovery of Phenolic Derivatives and their Subsequent Application in a PP Matrix for the Improvement of their Durability in Multiple Applications
(Cartagena de IndiasCampus Tecnológico, 2023-02-16)Wastewater from industrial processes contains different compounds that can be of great use to improve its circularity. The potential of wastewater can be exploited by applying extraction techniques to obtain compounds of ... -
A predictive model for the missing people problem
(Cartagena de Indias, 2021-03-01)The disappearance of people is a multidimensional phenomenon, in which several aspects must be considered. It affects people’s security perception and consumes police resources in its treatment. Therefore, does exists an ... -
A preliminary analysis for selecting the best hydrological probability density functions of annual peak flows associated to various return periods in some rivers of Colombia
(Cartagena de Indias, 2021-11-01)Analysis of extreme events of annual flow peaks are used for sizing hydraulic structures for specified return period. Cumulative distribution functions are applied to annual flow peak records in order to obtain extreme ... -
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 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 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 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 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 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 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 ... -
A transport justice approach to integrating vulnerable road users with automated vehicles
(Cartagena de Indias, 2022)Connected and automated vehicles (CAVs) are expected to revolutionise transport worldwide and transform urban life. However, there are many unknowns concerning the impacts of these technologies in terms of sustainability, ...
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.