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Simplified mathematical model for computing draining operations in pipelines of undulating profiles with vacuum air valves
(Cartagena de Indias, 2020-09-11)The draining operation involves the presence of entrapped air pockets, which are expanded during the phenomenon occurrence generating drops of sub-atmospheric pressure pulses. Vacuum air valves should inject enough air to ... -
Simultaneous Minimization of Energy Losses and Greenhouse Gas Emissions in AC Distribution Networks Using BESS
(Cartagena de IndiasCampus TecnológicoIngeniería Eléctrica, 2021-04-22)The problem of the optimal operation of battery energy storage systems (BESSs) in AC grids is addressed in this paper from the point of view of multi-objective optimization. A nonlinear programming (NLP) model is presented ... -
Sine-Cosine Algorithm for OPF Analysis in Distribution Systems to Size Distributed Generators
(Springer, 2019)This paper addresses the analysis the optimal power flow (OPF) problem in alternating current (AC) radial distribution networks by using a new metaheuristic optimization technique known as a sine-cosine algorithm (SCA). ... -
Sine-cosine algorithm for parameters' estimation in solar cells using datasheet information
(Cartagena de Indias, 2020)This paper explores the problem of optimal calculation of electrical parameters in solar cells using three well-known operative points provided by manufacturers considering a single-diode model. These are open circuit, ... -
Sine-cosine optimization approach applied to the parametric estimation in single-phase transformers by considering voltage and current measures
(Cartagena de Indias, 2021-05-25)In this article, a combinatorial optimization approach for estimating the electrical parameters in single-phase distribution transformers by considering voltage and current measures is presented. A nonlinear programming ... -
Sistemas de información logística en hospitales : una revisión bibliometría /
(2020)En este estudio se realizó un análisis bibliométrico para evaluar cualitativa y cuantitativamente el nivel actual de investigación sobre Sistemas de información logística en hospitales. La búsqueda de documentos relacionados ... -
Six Sigma method to assess the quality of the service in a gas utility company
(Cartagena de Indias, 2022-03-14)A method to evaluate the quality of service of a customer service centre is proposed based on Six Sigma, and through an empirical and rational approach that allowed an objective perspective during the development of the ... -
Skin color correction via convolutional neural networks in 3D fringe projection profilometry
(Cartagena de Indias, 2021-09-02)Fringe Projection Profilometry (FPP) with Digital Light Projector technology is one of the most reliable 3D sensing techniques for biomedical applications. However, besides the fringe pattern images,often a color texture ... -
Skin prick test wheal detection in 3D images via convolutional neural networks
(Cartagena de Indias, 2021-10-01)The skin prick test (SPT) is performed to diagnose different types of allergies. This medical procedure requires measuring the size of the skin wheals that appear when the test is performed. However, the manual measurement ... -
Small-Signal Stability in Low-Voltage DC-Grids
(Institute of Electrical and Electronics Engineers Inc., 2018)This paper presents a general methodology for small signal stability analysis in low voltage de grids considering four type of terminals, namely: constant power, constant voltage, constant current and constant impedance. ... -
Smart UTB: An IoT platform for Smart Campus
(Cartagena de Indias, 2021-09-29)The Internet of Things (IoT) aims to create applications to improve people’s quality of life using novel protocols, sensor networks, cloud computing, middlewares and other technologies. These applications can be used in ... -
Smart Water Grids and Digital Twin for the Management of System Efficiency in Water Distribution Networks
(Cartagena de Indias, 2023-03-15)One of the main factors contributing to water scarcity is water loss in water distribution systems, which mainly arises from a lack of adequate knowledge in the design process, optimization of water availability, and ... -
Smoothing of Robotic Navigation Trajectories, Based on a Tessellation Generated Weighted Skeleton, Based on Wavefront Dilation and Collisions
(Cartagena de Indias, 2020-10-08)Discretization processes adapted to robotic configuration spaces designed to limit the possible positions and movements of a robot in a continuous environment, have been based mainly on four methods for robotic motion ... -
Social representations of media reception during the COVID-19 lockdown in Colombia: from messages to meanings
(Cartagena de Indias, 2020-07-14)Las investigaciones recientes sobre la COVID-19 se han centrado en los efectos de esta pandemia en la salud pública, así como en los controles de bio seguridad y sus implicaciones socioeconómicas. El presente estudio ... -
Soft-computing approaches for rescheluding problems in a manufacturing industry
(Cartagena de Indias, 2020-03-02)Flexible manufacturing systems as technological and automated structures have a high complexity for scheduling. The decision-making process is made difficult with interruptions that may occur in the system and these problems ... -
Software to Assist Visually Impaired People During the Craps Game Using Machine Learning on Python Platform
(Cartagena de Indias, 2022-03-30)Pattern recognition is a prominent area of research in computer vision, where different methods have been proposed in the last 50 years. This work presents the development of a Python API to identify the result of two ... -
Solar Photovoltaic Integration in Monopolar DC Networks via the GNDO Algorithm
(Cartagena de Indias, 2022-08-05)This paper focuses on minimizing the annual operative costs in monopolar DC distribution networks with the inclusion of solar photovoltaic (PV) generators while considering a planning period of 20 years. This problem is ... -
Solid-state photocatalysis for plastics abatement: A review
(Cartagena de Indias, 2022-06-17)The COVID-19 pandemic has caused a dramatic increase in plastic wastes associated with the use of single-use masks, gloves, gowns, and other personal protective equipment (PPE). The accumulation of PPE, especially single-use ... -
Solution of the optimal power flow problem in direct current grids applying the hurricane optimization algorithm
(Cartagena de Indias, 2019-09-24)The Colombian electrical power system is being transformed by the large-scale integration of energy storage systems and renewable energy resources to the power system. These technologies can be integrated using alternating ... -
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 ...
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.