Universidad Tecnológica de Bolivar UTB (Colombia): últimos ingresos
Mostrando ítems 2201-2220 de 11668
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Organizational happiness dimensions as a contribution to sustainable development goals: A prospective study in higher education institutions in Chile, Colombia and Spain
(Cartagena de Indias, 2020-12-15)The aim of this study is to reveal the perception of current and future organizational happiness in the context of higher education institutions (HEIs) in a cross-national study, to reveal exploratory scenarios supporting ... -
Optimal selection and location of bess systems in medium-voltage rural distribution networks for minimizing greenhouse gas emissions
(Cartagena de Indias, 2020-12-09)This paper explores a methodology to locate battery energy storage systems (BESS) in rural alternating current (AC) distribution networks fed by diesel generators to minimize total greenhouse gas emissions. A mixed-integer ... -
Optimal Power Flow in Direct Current Networks Using the Antlion Optimizer
(Cartagena de Indias, 2020-10-06)This document presents a solution method for optimal power flow (OPF) problem in direct current (DC) networks by implementing a master-slave optimization methodology that combines an antlion optimizer (ALO) and a power ... -
Optimal minimum time control for a direct current motor using bang-bang control
(Cartagena de Indias, 2020)The calculation of variations initially it was a technique that was born in the field of physics and its great contributions have been taken advantage of by the engineering sciences in problems that involve finding a minimum ... -
Optimal location and sizing of distributed generators in dc networks using a hybrid method based on parallel pbil and pso
(Cartagena de Indias, 2020-11-01)This paper addresses the problem of the locating and sizing of distributed generators (DGs) in direct current (DC) grids and proposes a hybrid methodology based on a parallel version of the Population-Based Incremental ... -
Método de control estadístico multivariante para valorar las dimensiones de calidad en una empresa de lavado de tanques industriales
(Cartagena de Indias, 2020)Esta investigación propone un método para valorar las dimensiones de calidad del servicio en una empresa de lavado de tanques industriales, articulando una carta de control y un nuevo indicador de calidad multivariante. ... -
Method for estimating solar energy potential based on photogrammetry from unmanned aerial vehicles
(Cartagena de Indias, 2020-12-14)This study presents a method to estimate the solar energy potential based on 3D data taken from unmanned aerial devices. The solar energy potential on the roof of a building was estimated before the placement of solar ... -
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 ... -
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 ... -
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 ... -
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 ... -
Internet of Things Applied to Agricultural Irrigation Systems in Pasture Grasses
(Cartagena de Indias, 2020-12-24)Irrigation in agricultural systems is responsible for most of the world's fresh water consumption. In this paper, we focus our study on applying the concepts and tools of the Internet of Things (IoT) to irrigation systems ... -
Infrastructure and rurality: Challenges for sustainable economic development in Latin America
(Cartagena de Indias, 2020)Latin America is a region with a great environmental and cultural diversity; however, most of its countries have high levels of poverty and inequality, characteristics that are accentuated in rural areas. This paper ... -
Implementing a Software-based Controller as a Strategy for Teaching Digital Control
(Cartagena de Indias, 2020-12-24)Automatic Control is an enabling technology in the core of almost each aspect of our lives. In consequence, enhancing the learning process of key aspects of automatic controllers is always a timely subject. In this paper, ... -
Implementation of a two-tank multivariable process for control education
(Cartagena de Indias, 2020)In many industrial processes there are multivariable systems which have more than one controlled variable and more than one manipulated variable. For the proper control of this type of process, the influence of one control ... -
Modelo de implementación de proyectos de Transformación Digital en Hoteles Boutique
(Cartagena de Indias, 2020)La transformación digital se ha convertido en un imperativo de competitividad para las empresas. Sin embargo, existe una brecha de conocimiento sobre la temática principalmente en países como Colombia y más en sectores de ... -
Diferencias de género en matemáticas y lengua: Rendimiento académico, autoconcepto y expectativas
(Cartagena de Indias, 2020-04-22)Estudios previos muestran diferencias de género en el rendimiento de matemáticas y lengua, principalmente en adolescentes. Este estudio tiene como objetivo evaluar las diferencias de género en autoconcepto, valor subjetivo, ... -
Fuzzy logic methodology to study the behavior of energy transformation processes based on statistics T2and Q
(Cartagena de Indias, 2020-10)In the processes of energy transformation, to carry out an adequate follow-up of the process parameters represent an opportunity to propose strategies to improve the processes' performance. For this reason, it is essential ... -
Fiscal impacts and cross-border effects of a change in state liquor policy
(Cartagena de Indias, 2020-07)This paper analyzes the economic effects of the 2012 change in liquor policy (Initiative 1183) in Washington State in the United States. This policy increased the availability of liquor but also increased taxes on liquor ... -
La romería de Fray Pedro de Santa María de Ois vista por la revista as 4 aldeas
(Cartagena de Indias, 2019-09-23)Se presenta en el siguiente artículo de investigación una recopilación exhaustiva de las noticias de la revista local As 4 aldeas relacionadas con la romería de Fray Pedro de Santa María de Ois (Coirós, A Coruña); una ...