ListarInvestigaciones por tema "LEMB"
Mostrando ítems 41-60 de 550
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A two-stage approach to locate and size PV sources in distribution networks for annual grid operative costs minimization
(Cartagena de Indias, 2022-03-21)This paper contributes with a new two-stage optimization methodology to solve the problem of the optimal placement and sizing of solar photovoltaic (PV) generation units in mediumvoltage distribution networks. The ... -
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 ... -
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 ... -
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 ... -
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 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 ... -
Advancements in quantum machine learning for intrusion detection: A comprehensive overview
(Cartagena de IndiasIngeniería de Sistemas y Computación, 2023-09-07)This chapter provides a comprehensive overview of the recent developments in quantum machine learning for intrusion detection systems. The authors review the state of the art based on the published work “Quantum Machine ... -
Agro-smart Caribe: Soil moisture measurement system
(Cartagena de Indias, 2021-09-29)Advances in information and communication technologies provide precision agriculture with more efficient tools for agricultural monitoring systems and the possibility of crop irrigation automation. This paper presents the ... -
Allocation of Renewable Energy Resources in Distribution Systems While considering the Uncertainty of Wind and Solar Resources via the Multi-Objective Salp Swarm Algorithm
(Cartagena de Indias, 2023)Given the importance of renewable energy sources in distribution systems, this article addresses the problem of locating and determining the capacity of these sources, namely, wind turbines and solar panels. To solve this ... -
ALPY PLUS - Adaptive Model Oriented to Pathway Planning in Virtual Learning System
(Cartagena de Indias, 2022)This paper presents an adaptive model called ALPY PLUS to enrich the dynamic planning of learning resources with user characteristics and those of her/his context, in order to provide a personalized course in a virtual ... -
An Effective Power Dispatch of Photovoltaic Generators in DC Networks via the Antlion Optimizer
(Cartagena de IndiasCampus Tecnológico, 2023-01-27)This paper studies the problem regarding the optimal power dispatch of photovoltaic (PV) distributed generators (DGs) in Direct Current (DC) grid-connected and standalone networks. The mathematical model employed considers ... -
An Efficient EMS for BESS in Monopolar DC Networks with High Penetration of Renewable Generation: A Convex Approximation
(Cartagena de IndiasCampus Tecnológico, 2023-01-26)This research presents an efficient energy management system (EMS) for battery energy storage systems (BESS) connected to monopolar DC distribution networks which considers a high penetration of photovoltaic generation. ... -
An Efficient Methodology for Locating and Sizing PV Generators in Radial Distribution Networks Using a Mixed-Integer Conic Relaxation
(Cartagena de Indias, 2022-07-27)This paper proposes a new solution methodology based on a mixed-integer conic formulation to locate and size photovoltaic (PV) generation units in AC distribution networks with a radial structure. The objective function ... -
An IDA-PBC Design with Integral Action for Output Voltage Regulation in an Interleaved Boost Converter for DC Microgrid Applications
(Cartagena de Indias, 2021-12-29)This paper describes the output voltage regulation control for an interleaved connected to a direct current (DC) microgrid considering bidirectional current flows. The proposed controller is based on an interconnection ... -
An Implicit Formulation for Calculating Final Conditions in Drainage Maneuvers in Pressurized Water Installations
(Cartagena de Indias, 2022)Emptying processes are typical maneuvers that should be performed by water distribution companies for operation purposes. These processes involve a complex numerical analysis, since a set of algebraic and ordinary differential ... -
An improved crow search algorithm applied to the phase swapping problem in asymmetric distribution systems
(Cartagena de Indias, 2021-07-23)This paper discusses the power loss minimization problem in asymmetric distribution systems (ADS) based on phase swapping. This problem is presented using a mixed-integer nonlinear programming model, which is resolved by ...
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.