Listar por tema "LEMB"
Mostrando ítems 541-560 de 630
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Power flow methods used in AC distribution networks: An analysis of convergence and processing times in radial and meshed grid configurations
(Cartagena de IndiasCampus Tecnológico, 2023-01-23)The load flow problem (LFP) in power distribution networks allows us to find the nodal voltage values within the electrical systems. These values, along with the system parameters, are useful to identify the (technical,economic, ... -
Power flow solution in direct current grids using the linear conjugate gradient approach
(Cartagena de Indias, 2019-09-24)The Colombian power system is being modified by the large-scale integration of renewable energy resources and energy storage systems, in conjunction with the microgrid concept that originates the possibility of alternating ... -
Prediction of motorcyclist traffic crashes in Cartagena (Colombia): development of a safety performance function
(Cartagena de Indias, 2021-04-05)Motorcyclists account for more than 380 000 deaths annually worldwide from road tra c accidents. Motorcyclists are the most vulnerable road users worldwide to road safety (28% of global fatalities), together with cyclists ... -
Prediction of particle level behavior in atmospheric air based on laws of physics of motion and geographic interpolation
(Cartagena de Indias, 2020)Given the global problem of high levels of pollutants in the atmosphere, it is essential to use tools to measure and determine these levels. Unfortunately, it is impossible to have devices that allow direct pollutants' ... -
Predictive power control for electric vehicle charging applications
(Cartagena de Indias, 2020-12-01)This paper presents a direct predictive power control (DPPC) design for vehicle charging applications. The proposed control design allows working in the Park's reference frame avoiding the usage of the phase-lock loops, ... -
Preliminary machine learning model for citrus greening disease (Huanglongbing-HLB) prediction in Colombia
(Cartagena de Indias, 2020-11-09)Citrus greening disease (Huanglongbing-HLB) is considered the most destructive citrus disease worldwide. Of the three species of Candidatus liberibacter associated with HLB, two have been recently reported in Latin America. ... -
Principios básicos y fundamentos de programación
(Cartagena de IndiasCampus TecnológicoIngeniería de Sistemas y Computación, 2022-07)La programación consiste en resolver problemas creando soluciones paso a paso escritas en un lenguaje específico. El lenguaje de programación Python se utiliza por su facilidad de uso debido a sus altas capacidades, ... -
Professional Autonomy and Structural Influences: Exploring How Homicides, Perceived Insecurity, Aggressions Against Journalists, and Inequalities Affect Perceived Journalistic Autonomy in Colombia
(Cartagena de Indias, 2020)Journalistic autonomy has been studied more frequently in countries with secure democracies in terms of journalists’ perceptions of freedom and independence to work in the midst of the controls, pressures, and influences ... -
Proposal of a Salary Structure for Positions at Productos Caribe S.A.S in Cartagena-Colombia
(Cartagena de Indias, 2021-04-05)The main resource of a company is its human talent, since it is thanks to the cooperation and contribution of employees and the performance of their roles that it is possible to achieve its objectives. Among the factors ... -
La protesta social como derecho fundamental desde la Corte Constitucional Colombiana
(Cartagena de IndiasCasa Lemaitre, 2023-12)La Constitución Política colombiana de 1991 se adscribe a una iusteoría antifor-malista, por la cual el derecho tiene una naturaleza abierta que debe ser complemen-tada por las interpretaciones auténticas de los jueces ... -
Proyecto Educativo en la UTB
(Cartagena de IndiasCampus Tecnológico, 2022-09-30)El Proyecto Educativo (PE) de la Universidad Tecnológica de Bolívar (UTB) es un documento que refleja la evolución histórica de la institución y su compromiso con el futuro en términos de sus funciones sustantivas y en el ... -
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 ... -
Quantification of Irgafos P-168 and Degradative Profile in Samples of a Polypropylene/Polyethylene Composite Using Microwave, Ultrasound and Soxhlet Extraction Techniques
(Cartagena de IndiasCampus Tecnológico, 2024-04-21)In polypropylene/polyethylene composite (C-PP/PE) production, stabilizing additives such as Irgafos P-168 are essential as antioxidant agents. In this study, an investigation was carried out that covers different ... -
Quantification of the Synthetic Phenolic Antioxidant Cyanox 1790 in Bottled Water with SPE-HPLC/MS/MS and Determination of the Impact of the Use of Recycled Packaging on Its Generation
(Cartagena de IndiasCampus Tecnológico, 2023-02-28)One route of exposure to SPAs is through bottled water since the polymers used to make plastic bottles contain these SPAs, which migrate from the plastic to the water. Solid-phase extraction (SPE), HPLC-MS, FTIR, and DSC ... -
Quantitatively relating cosmic rays intensities from solar activity parameters based on structural equation modeling
(Cartagena de Indias, 2023-03-06)Cosmic rays measured through neutron monitors on Earth’s surface have a strong correlation with the number of sunspots on the solar photosphere. Other indices that affect the dynamics of the heliosphere and distortions ... -
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 ... -
¿Qué es y hacia dónde va la fotografía?
(Cartagena de Indias, 2021-07-01) -
Redes sociales digitales como lugares de memoria: diálogos ciudadanos a través de la fotografía en Facebook
(Cartagena de IndiasCampus TecnológicoComunicación Social, 2022-12-20)El presente trabajo aborda la potencialidad de los social media como espacios de diálogo ciudadano en torno a la memoria y la identidad cultural de los territorios y sus habitantes. Desde la perspectiva de la antropología ... -
Redes y la expansión internacional de la empresa : el caso de la industria de las aerolíneas
(Cartagena de IndiasCampus TecnológicoFinanzas y Negocios Internacionales, 2022)Multinational enterprises are constantly trying to expand into new markets either by exploiting its assets base or by gaining access to partner companies that own the required resources. Thus, MNEs face the compete-coope ... -
Reducing Inequality in Colombia: The Imne Strategy in the Association of Indigenous Women Zenú
(Cartagena de IndiasCampus Tecnológico, 2024-05-10)Objective: systematize the implementation process of the IMNE strategy from October 15, 2023 and until March 15, 2024 in the Association of Zenú Indigenous Women located in Montes de María (Bolívar – Colombia) from human ...
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.