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Mostrando ítems 93-112 de 1394
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A validation strategy for a target-based vision tracking system with an industrial robot
(Cartagena de Indias, 2020-05-20)Computer vision tracking systems are used in many medical and industrial applications. Understanding and modeling the tracking errors for a given system aids in the correct implementation and operation for optimal measurement ... -
A vision-based system for the dynamic measurement of in-plane displacements
(Institute of Electrical and Electronics Engineers Inc., 2014)Computer vision has advanced markedly in the last decade and has had new applications such as the analysis of the behavior of structures. The analysis of displacement and deformation of structures is an important process ... -
A wearable system for biosignal monitoring in weightlifting
(Springer London, 2017)The use of technological aids in sports has increased in the last years. These tools allow to register the athletes’ movements to evaluate and track their performance over time. With that information, it is possible to ... -
Abundance and distribution of cigarette butts on the sand of five touristic beaches in Latin America during the COVID-19 pandemic
(Cartagena de Indias, 2023-07-15)Cigarette butts (CB) and cigarette butt fibers (CBF) are highly abundant and frequent residues on beach sand. Also, they are hazardous waste due to their significant toxicity and potential risk to the ecosystems’ biota ... -
Academic efficiency of engineering university degrees and its driving factors. A PLS-DEA approach
(Cartagena de Indias, 2022)This research develops an academic production function for the educational process of industrial engineers in Colombia. The proposed function objectively analyses the relationships between the academic competencies obtained ... -
Academic evaluation protocol for monitoring modalities of use at an Automatic Control Laboratory: Local vs. remote
(2013)This article describes an Academic Evaluation Protocol (AEP) designed and implemented in order to monitor various modalities of using an Automatic Control Laboratory by analyzing the quality of work that can be obtained ... -
Accounting for attitudes on parking choice: An integrated choice and latent variable approach
(Elsevier Ltd, 2018)The well-differentiated impact that parking supply options produce on congestion, pollution and land consumption arouses the interest of policy makers for a better understanding of car user's behavior when choosing a parking ... -
Accurate and efficient derivative-free three-phase power flow method for unbalanced distribution networks
(Cartagena de IndiasCampus TecnológicoIngeniería Eléctrica, 2021-05-27)The power flow problem in three-phase unbalanced distribution networks is addressed in this research using a derivative-free numerical method based on the upper-triangular matrix. The upper-triangular matrix is obtained ... -
Acquisition and Analysis of Cognitive Evoked Potentials using an Emotiv Headset for ADHD Evaluation in Children
(Institute of Electrical and Electronics Engineers Inc., 2019)Attention-deficit/hyperactivity disorder (ADHD) is a neurological condition that affects the quality of life of the patients. It can be diagnosed using a combination of psychological tests. In addition to that, the brain ... -
Active and reactive power conditioning using SMES devices with PMW-CSC: A feedback nonlinear control approach
(Ain Shams University, 2019)The active and reactive power conditioning using superconducting magnetic energy storage (SMES) systems for low-voltage distribution networks via feedback nonlinear control is proposed in this paper. The SMES system is ... -
Active Films Based on Starch and Wheat Gluten (Triticum vulgare) for Shelf-Life Extension of Carrots
(Cartagena de Indias, 2022)The use of biodegradable biopolymers with the incorporation of active ingredients has been considered as an alternative to extend the useful life of food. Therefore, the objective of this research was to develop active ... -
ACTIVE TEACHING METHODS ASSOCIATED WITH LEARNING ANALYTICS
(Cartagena de Indias, 2022)En el proceso de enseñanza aprendizaje el componente, método, es fundamental para que los alumnos puedan apropiarse de los saberes y de ellos, los activos, propician una participación protagónica de los estudiantes. El ... -
Activos culturales y ambientales: una estrategia de fortalecimiento de la identidad cultural de los jóvenes de la Institución Educativa Puerto Rey-Cartagena de Indias /
(2020)Al ser ligados con los saberes, conocimientos y capacidades acumuladas por la comunidad, los recursos territoriales, culturales y naturales se convierten en activos culturales valiosos. Son acervos que posibilitan iniciativas ... -
Acupuntura Urbana como estrategia para el desarrollo urbano sostenible en el sector Isla de León, Cartagena de Indias /
(2020)La Acupuntura Urbana es un enfoque metodológico formulado por el arquitecto Jaime Lerner, que parte del supuesto que las ciudades funcionan como organismos vivos, y que, de manera análoga a una terapia de acupuntura, con ... -
Adaptive control for second-order DC-DC converters: PBC approach
(Cartagena de Indias, 2021)This chapter deals with the design of a passivity-based controller for DC-DC converters by using a general representation for second-order converters, that is, buck, boost, buck-boost, and noninverting buck-boost converters. ... -
Adaptive Control of a Single-Phase Grid-Forming for Feeding Unknown Resistive Loads
(Cartagena de Indias, 2022-03-24)This research aims to relate Information and Communication Technologies (ICT) in the processes of distribution and use of knowledge in Higher Education Institutions (HEI). The methodology used was based on the quantitative ... -
Adaptive Fault Detection Based on Neural Networks and Multiple Sampling Points for Distribution Networks and Microgrids
(Cartagena de Indias, 2022)Smart networks such as active distribution network (ADN) and microgrid (MG) play an important role in power system operation. The design and implementation of appropriate protection systems for MG and ADN must be addressed, ... -
Adaptive filtering of interference fringes by polar transformation and empirical mode decomposition
(OSA - The Optical Society, 2018)We designed an adaptive filter based on empirical mode decomposition for the removal of fringes in an interference microscopy image. Promising results show the possibility for extended depth-of-field imaging. © 2018 The Author (s) -
Adaptive Sensorless PI+Passivity-Based Control of a Boost Converter Supplying an Unknown CPL
(Cartagena de Indias, 2022)This paper presents an adaptive control to stabilize the output voltage of a DC–DC boost converter that feeds an unknown constant power load (CPL). The proposed controller employs passivity-based control (PBC), which assigns ... -
Administrative efficiency of IPS providers of health entities accredited in quality in Colombia
(Cartagena de Indias, 2019)This study evaluated the efficiencies of the IPS health providers accredited in quality in Colombia. The normative framework associated with the Mandatory Quality System, the quality accreditation standards for the IPS and ...
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.