Universidad Tecnológica de Bolivar UTB (Colombia): últimos ingresos
Mostrando ítems 81-100 de 11668
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Recovery of (Z)-13-Docosenamide from IndustrialWastewater and Its Application in the Production of Virgin Polypropylene to Improve the Coefficient of Friction in Film Type Applications
(Cartagena de IndiasCampus Tecnológico, 2023-01-09)Abstract: Additives play an important role in the production of plastic materials through their application, in which the mechanical, thermal, and physical properties of polymers are improved, making them last longer and ... -
Passivity-based control applied of a reaction wheel pendulum: An IDA-PBC approach
(Cartagena de Indias, 2019-11)This paper presents the development of a nonlinear controller for the reaction wheel pendulum (RWP) via an interconnection and damping assignment passivity-based control (IDA-PBC) approach. The IDA-PBC approach works with ... -
PBC design for voltage regulation in buck converters with parametric uncertainties
(Cartagena de Indias, 2019-12-05)This paper addresses the problem of voltage output regulation in DC Buck converters from the passivity-based control (PBC) point of view. The PBC takes advantage of the natural port-Hamiltonian representation of dynamic ... -
Perceived stress during social isolation due to COVID-19 and cognitive impact on young university students
(Cartagena de Indias, 2022-02-14)The long-lasting and uncontrollable nature of confinement as a measure to slow down the spread of COVID-19 represents a source of extrinsic and chronic stress that could affect cognitive processes, especially memory. The ... -
Recent Developments
(Cartagena de Indias, 2022-12-31)Editor-in-Chief Andres Marrugo discusses the latest developments in the journal -
Numerical modelling for analysing drainage in irregular profile pipes using OpenFOAM
(Cartagena de Indias, 2022)Different methods of two-dimensional and three-dimensional numerical resolution models have been used to predict the air–water interaction in pipe systems in the early twenty-first century, where reliable and adequate ... -
New Scenarios, Actors, and Educational Practices Where Coexistence, Diversity, and Culture Are Built
(Cartagena de Indias, 2022)Introduction. Colombia has a variety of territories, people, cultures, political, and religious affiliations; however, it has been affected by a history of violence, inequality, corruption, among other evils, associated ... -
Neuro-fuzzy control for artificial pancreas: In silico development and validation
(Cartagena de Indias, 2020)Type 1 Diabetes Mellitus (DMT1) is currently one of the most harmful diseases that affect people of any age, including children from birth. Exogenous insulin injections remain the most common treatment for these patients, ... -
Neural High Order Sliding Mode Control for Doubly Fed Induction Generator based Wind Turbines
(Cartagena de Indias, 2022)Wind energy has many advantages because it does not pollute and is an inexhaustible source of energy. In this paper Neural High Order Sliding Mode (NHOSM) control is developed for Doubly Fed Induction Generator (DFIG) based ... -
Narrative review of the HPV vaccine case in El Carmen de Bolivar, Colombia (2014-2021)
(Cartagena de Indias, 2022)Introduction: in 2014 hundreds of teenage women in the rural municipality of El Carmen de Bolivar (Colombia) experienced strange symptoms after being vaccinated with Gardasil, one of the vaccines against Human Papillomavirus ... -
Multi-target Attachment for Surgical Instrument Tracking
(Cartagena de Indias, 2022)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 detected ... -
Multi-Objective Optimal Scheduling of a Microgrid Using Oppositional Gradient-Based Grey Wolf Optimizer
(Cartagena de Indias, 2022)Optimal energy management has become a challenging task to accomplish in today’s advanced energy systems. If energy is managed in the most optimal manner, tremendous societal benefits can be achieved such as improved economy ... -
Multi-Objective Dispatch of PV Plants in Monopolar DC Grids Using a Weighted-Based Iterative Convex Solution Methodology
(Cartagena de Indias, 2023)The design of an efficient energy management system (EMS) for monopolar DC networks with high penetration of photovoltaic generation plants is addressed in this research through a convex optimization point of view. The EMS ... -
Multidimensional analysis of the evolution of the COVID-19 pandemic in countries of the Americas
(Cartagena de Indias, 2022)Objective. To evaluate the evolution of the COVID-19 pandemic in countries of the Americas, comparing health system data from before the appearance of the virus in the Region, accumulated cases and deaths before the ... -
Multi-agent CHANS: BDI Farmer Intentions and Decision Making
(Cartagena de Indias, 2021)This paper extends previous works on multi-agent-based simulation models of Coupled Human and Natural Systems (CHANS), by introducing a farmer agent model capable of interact with environmental, economic, and spatial ... -
Moreno-Castro C, editor. Institutional campaigns in public health. The case against the HPV virus. Madrid: Dextra Editorial; 2017
(Cartagena de Indias, 2019)La inclusión de la vacuna contra el virus del papiloma humano (VPH) como política de salud pública no ha dejado de ser objeto de controversia en todo el mundo desde su aprobación en EE. UU por la Federal Drug Administration ... -
Monitoring the Activity of Industrial Facilities Using Satellite Images of the Heat IR Range
(Cartagena de Indias, 2021)The results of the development and testing of the methodology for automated processing of satellite images of medium spatial resolution in the heat and short-wave IR range are presented. For the specified test areas, digital ... -
Monitoring Conservation of Forest in Protected Areas using Remote Sensing Change Detection Approach: a Review
(Cartagena de Indias, 2022)Abstract: Deforestation and fragmentation threaten biodiversity owing to their impacts on many species. To prevent and minimise the problem, protected areas have been created with the aim of conserving biodiversity, and ... -
Modernized Planning of Smart Grid Based on Distributed Power Generations and Energy Storage Systems Using Soft Computing Methods
(Cartagena de Indias, 2022)The modest objective is to check the integrated effect of energy storage systems (ESSs) and distributed generations (DGs) and compare the optimization of the size and location of ESS and DG to explore its challenges for ... -
Modeling a Structured Light System with Open-Source Software
(Cartagena de Indias, 2022)We propose modeling a structured light system with open-source computer graphics software to perform experimental verifications independently of the physical system. Encouraging experimental results show the capabilities ...