Investigaciones: Envíos recientes
Mostrando ítems 741-760 de 1465
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Diseño De Un Modelo Para La Distribución Y Disposición De Café Verde En Puertos Marítimos Colombianos Para La Exportación, Con Consideraciones De Cross docking: Caso De Aplicación “Federación de Cafeteros”
(2020)En un mundo donde los avances tecnológicos han ayudado a las empresas a simplificar procesos, a ser más efectivos al momento de cumplir con los contratos pactados. Se hace necesario un ajuste a la cadena de suministros de ... -
Genericity of Continuous Maps with Positive Metric Mean Dimension
(Cartagena de Indias, 2021-11-02)M. Gromov introduced the mean dimension for a continuous map in the late 1990’s, which is an invariant under topological conjugacy. On the other hand, the notion of metric mean dimension for a dynamical system was introduced ... -
Public transportation and fear of crime at BRT Systems: Approaching to the case of Barranquilla (Colombia) through integrated choice and latent variable models
(Cartagena de Indias, 2021-11-01)Security perception and Fear of Crime (FoC) in urban scenarios have the potential to affect travel behavior, changing people’s travel choices and patterns. In this sense, the feeling of being “safe” or “at-risk” in public ... -
Difusión digital de objetos: expresiones culturales y turísticas en Colombia
(Cartagena de Indias, 2021-08-09)Los objetos y expresiones culturales hacen parte del turismo representativo de las regiones, por eso, este artículo tiene como propósito demostrar la visibilización de las mismas digitalmente ... -
2D CFD Modeling of Rapid Water Filling with Air Valves Using OpenFOAM
(Cartagena de Indias, 2021-11-04)The rapid filling process in pressurized pipelines has been extensively studied using mathematical models. On the other hand, the application of computational fluid dynamics models has emerged during the last decade, which ... -
Global Optimal Stabilization of MT-HVDC Systems: Inverse Optimal Control Approach
(Cartagena de Indias, 2021-11-17)The stabilization problem of multi-terminal high-voltage direct current (MT-HVDC) systems feeding constant power loads is addressed in this paper using an inverse optimal control (IOC). A hierarchical control structure ... -
Mathematical and physical techniques of modeling and simulation of pattern recognition in the stock market
(Cartagena de Indias, 2021-06-10)The following article presents the analysis through mathematical and physical techniques of large databases, which are very common today, due to the large number of variables (especially in the information and physics ... -
Optimal Power Dispatch of Distributed Generators in Direct Current Networks Using a Master–Slave Methodology that Combines the Salp Swarm Algorithm and the Successive Approximation Method
(Cartagena de Indias, 2021-11-18)This paper addresses the Optimal Power Flow (OPF) problem in Direct Current (DC) networks by considering the integration of Distributed Generators (DGs). In order to model said problem, this study employs a mathematical ... -
Solution of the Optimal Reactive Power Flow Problem Using a Discrete-Continuous CBGA Implemented in the DigSILENT Programming Language
(Cartagena de Indias, 2021-11-12)The problem of the optimal reactive power flow in transmission systems is addressed in this research from the point of view of combinatorial optimization. A discrete-continuous version of the Chu & Beasley genetic algorithm ... -
Exact minimization of the energy losses and the CO2 emissions in isolated DC distribution networks using PV sources
(Cartagena de Indias, 2021-04-28)This paper addresses the optimal location and sizing of photovoltaic (PV) sources in isolated direct current (DC) electrical networks, considering time-varying load and renewable generation curves. The mathematical ... -
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 ... -
Network resource mobilisation limitations and the alliance portfolio network
(Cartagena de Indias, 2021-03-11)Purpose –The purpose of this study is to examine how access and mobilisation of network resources influence a firm’s performance. It has been established that alliance portfolio (AP) network parameters shape the access to ... -
Calidad de vida laboral en Cartagena, Barranquilla y Santa Marta
(Cartagena de Indias, 2021-02-05)Recientemente, las principales ciudades del Caribe colombiano han alcanzado las menores cifras de desempleo en el país. Sin embargo, presentan altas tasas de informalidad. Así, este artículo tiene como objetivo analizar ... -
Would you Value a few More Hours of work? Underemployment and Subjective Well-Being Across Chilean Workers
(Cartagena de Indias, 2021-04-08)Underemployment has gained attention in recent years because of its effects on health and well-being (life satisfaction), it is a widespread phenomenon in the labor force that affects not only workers, but also households, ... -
Quantum machine learning for intrusion detection of distributed denial of service attacks: a comparative overview
(Cartagena de Indias, 2021-03-01)In recent years, we have seen an increase in computer attacks through our communication networks worldwide, whether due to cybersecurity systems' vulnerability or their absence. This paper presents three quantum models to ... -
Which factors explain information exchange and user referral among program implementers?
(Cartagena de Indias, 2021-05-26)The Program for Psychosocial Care and Comprehensive Health for Victims serves, on a yearly basis, an average of 25,000 users in northern Colombia alone. The program is implemented by multidisciplinary teams comprised of ... -
Assessing and forecasting method of financial efficiency in a free industrial economic zone
(Cartagena de Indias, 2021-06-11): Industrial free zones are key to the economic progress of developing countries, making the evaluation and forecast of efficiency in these organisations relevant. This research proposes a three-phase method to evaluate ... -
Economic shocks and their efect on the schooling and labor participation of youth: evidence from the metal mining price boom in Chilean counties
(Cartagena de Indias, 2021-06-11)We analyze the efect of an exogenous economic shock on youth, specifcally their incentive for preferring to participate in the labor market over continuing their education. We examine the Chilean case and the sustained ... -
Factors that affect quality of work life of the millennials linked to the commercial sector in Colombia
(Cartagena de Indias, 2021-05-01)The present investigation has two aims: (1) to empirically examine the factors that affect QWL among the millennials working in the commercial sector in Colombia and (2) to investigate the role of a set of individual ... -
Multi-target Attachment for Surgical Instrument Tracking
(Cartagena de Indias, 2021-06-16)The pose estimation of a surgical instrument is a common problem in the new needs of medical science. Many instrument tracking methods use markers with a known geometry that allows for solving the instrument pose as ...
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.