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Control for EESS in Three-Phase Microgrids under Time-Domain Reference Frame via PBC Theory
(Institute of Electrical and Electronics Engineers Inc., 2019)This brief presents a general form of designing passivity-based controllers for electrical energy storage systems (EESS) in three-phase microgrids (TP-MGs) under time-domain reference frame. The control strategy proposed ... -
Control neuro-fuzzy para páncreas artificial desarrollo y validación in-silico
(Cartagena de Indias, 2020)La Diabetes Mellitus Tipo 1 (DMT1) es una de las enfermedades actuales más dañinas que afectan a personas de cualquier edad incluyendo niños desde el nacimiento. Las inyecciones de insulina exógena siguen siendo el tratamiento ... -
Control of a charging station for electric vehicles
(Cartagena de Indias, 2020)A weighted average current control applied to a three-phase inductor-capacitor-inductor grid-connected battery charger for electric vehicles is presented in this paper. The proposed controller is based on a combination of ... -
Control of a DC-DC converter with dual active bridges to adapt voltage levels in DC microgrids using feedback linearization
(Cartagena de Indias, 2022)En este trabajo, se propone una estrategia de control para un convertidor DC-DC con puentes duales activos que interconecta dos alimentadores de una microrred de DC. La estrategia de control propuesta, permite regular la ... -
Control of a SMES for mitigating subsynchronous oscillations in power systems: A PBC-PI approach
(Elsevier Ltd, 2018)This paper proposes a methodology to control the active and reactive power of a superconducting magnetic energy storage (SMES) system to alleviate subsynchronous oscillations (SSO) in power systems with series compensated ... -
Control of Photovoltaic Plants Interconnected via VSC to Improve Power Oscillations in a Power System
(Cartagena de Indias, 2022)This paper presents an integrated methodology applied to photovoltaic (PV) plants for improving the dynamic performance of electric power systems. The proposed methodology is based on primary frequency control, which adds ... -
Control System for Project Management in a Construction Sector Company through the Earned Value Technique in the Caribbean
(Cartagena de Indias, 2022)The present research work generates a solution to some inconveniences presented in an organization that executes construction projects, which has presented problems of delays in the works, cost overruns in the activities ... -
Control temperature of the air conditioning system of a vessel from exergoeconomic analysis
(Cartagena de Indias, 2021-11-01)In this work the air conditioning system of a 93 m long and 14 m wide vessel with 4081 refrigerated m3 distributed in 51 premises is studied. In which energy, exergetic and exergoeconomic analyzes were carried out for ... -
Controller design for VSCs in distributed generation applications: An IDA-PBC approach
(Institute of Electrical and Electronics Engineers Inc., 2019)This paper presents an asymptotically stable global controller design for distributed energy integration in electrical distribution networks using a three-phase voltage source converter (VSC). An invariant Park's transformation ... -
Conventional and advanced exergetic analysis for the combined cycle of power plant with gas turbine of a refinery
(Cartagena de Indias, 2021-11-01)This article shows the results of the performance study of a combined cycle plant made up of a Siemens STG-800 gas turbine and a MACCHI heat recovery boiler (HRSG) designed to produce 47.5 MW of electricity and 81908 kg / ... -
Conventional and advanced exergoeconomic indicators of a nitric acid production plant concerning the cooling temperature in compression Train’s intermediate stages
(Cartagena de Indias, 2021-07-30)In the refining and petrochemical industrial sector, large amounts of energy are used, so using the concept of exergy allows a rational use of this resource. In the different exergy and exergoeconomics studies applied in ... -
Convergence analysis of the triangular-based power flow method for AC distribution grids
(Cartagena de Indias, 2021-06-30)This paper addresses the convergence analysis of the triangular-based power flow (PF) method in alternating current radial distribution networks. The PF formulation is made via upper-triangular matrices, which enables ... -
Las cooperativas rurales una oportunidad para repensar el rol del Estado frente a los impactos de la regulación de semillas en Colombia
(Cartagena de Indias, 2020-11-11)El presente artículo analiza los diversos factores que inciden en la situación de vulnerabilidad en el que se encuentra el sector rural en Colombia, la cual se ha visto reforzada por el régimen de certificación de semillas ... -
Las cooperativas rurales: una oportunidad para repensar el rol del Estado frente a los impactos de la regulación de semillas en Colombia
(Cartagena de Indias, 2020-09-09)El presente artículo analiza los diversos factores que inciden en la situación de vulnerabilidad en el que se encuentra el sector rural en Colom bia, la cual se ha visto reforzada por el régimen de certificación de semillas ... -
Corneal endothelium assessment in specular microscopy images with Fuchs’ dystrophy via deep regression of signed distance maps
(Cartagena de Indias, 2023)Specular microscopy assessment of the human corneal endothelium (CE) in Fuchs’ dystrophy is challenging due to the presence of dark image regions called guttae. This paper proposes a UNet-based segmentation approach that ... -
Corporation income taxes and the cost of capital: A revision
(2012)The value of debt tax shields in foundational corporate valuation models by Nobel Laureates Modigliani and Miller (MM) continues to be a controversial issue that is central to our understanding of corporate finance. Rather ... -
Corrosion failure assessment on AISI 310s steel used as support of refractory concrete panels in a clinker cooler
(Universidad Simon Bolivar, 2016)This article presents the corrosion failure assessment on AISI 310 Steel, used as support of refractory concrete panels in a Clinker cooler under a combination of high temperatures and atmospheres with high concentration ... -
Cost estimation guidelines for private architectural projects, based on a single classification model
(Cartagena de Indias, 2020) -
Cost-Effectiveness Analysis of Strategies of COVID-19 Vaccination in Colombia: Comparison of High-Risk Prioritization and No Prioritization Strategies With the Absence of a Vaccination Plan
(Cartagena de Indias, 2022-05-26)Objectives: Our study compares two national COVID-19 vaccination plan strategies—high-risk prioritization and no prioritization—and estimates their cost-effectiveness compared with no vaccination, to generate possible ... -
Counting integers representable as images of polynomials modulo n
(Cartagena de Indias, 2019)Given a polynomial f(x1,x2,…,xt) in t variables with integer coefficients and a positive integer n, let α(n) be the number of integers 0 ≤ a < n such that the polynomialcongruencef(x1,x2,…,xt) ≡ a(modn)issolvable. ...
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.