Investigaciones: Envíos recientes
Mostrando ítems 301-320 de 1465
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Application of the Multiverse Optimization Method to Solve the Optimal Power Flow Problem in Alternating Current Networks
(Cartagena de Indias, 2022)In this paper, we solve the optimal power flow problem in alternating current networks to reduce power losses. For that purpose, we propose a master–slave methodology that combines the multiverse optimization algorithm ... -
Three-dimensional analysis of air-admission orifices in pipelines during hydraulic drainage events
(Cartagena de Indias, 2022-11-07)Air valves operate as protection devices in pipelines during drainage processes in order to mitigate vacuum pressures and control the transient flows. Currently, different authors have proposed one-dimensional models to ... -
Application of the Hurricane Optimization Algorithm to Estimate Parameters in Single-Phase Transformers Considering Voltage and Current Measures
(Cartagena de Indias, 2022)In this research paper, a combinatorial optimization approach is proposed for parameter estimation in single-phase transformers considering voltage and current measurements at the transformer terminals. This problem is ... -
Application of the Generalized Normal Distribution Optimization Algorithm to the Optimal Selection of Conductors in Three-Phase Asymmetric Distribution Networks
(Cartagena de Indias, 2023)This article addresses the problem of the optimal selection of conductors in asymmetric three-phase distribution networks from a combinatorial optimization perspective, where the problem is represented by a mixed-integer ... -
Application of the arithmetic optimization algorithm to solve the optimal power flow problem in direct current networks
(Cartagena de Indias, 2022)This article presents a methodology to solve to the Optimal Power Flow (OPF) problem in Direct Current (DC) networks using the Arithmetic Optimization Algorithm (AOA) and Successive Approximation (SA). This master-slave ... -
Three-dimensional simulation of transient flows during the emptying of pipes with entrapped air
(Cartagena de IndiasCampus Tecnológico, 2023-04-01)Two-and three-dimensional analyses of transient flows considering the air-water interaction have been a challenge for researchers due to the complexity in the numerical resolution of the multiphase during emptying in ... -
Application of Newton–Raphson Method for Computing the Final Air–Water Interface Location in a Pipe Water Filling
(Cartagena de Indias, 2023)The estimation of thermodynamic behavior during filling processes with entrapped air in water pipelines is a complex task as it requires solving a system of algebraic-differential equations. A lot of different numerical ... -
APPLICATION OF A PCA-BASED FAULT DETECTION AND DIAGNOSIS METHOD IN A POWER GENERATION SYSTEM WITH A 2 MW NATURAL GAS ENGINE
(Cartagena de Indias, 2022)Based on increasing global energy demand, electric power generation from Internal Combustion Engines (ICE) has increased over the years. On this idea, the industries have adopted different methods and procedures to prevent ... -
To tax or not to tax sin goods: that’s the question for emerging economies
(Cartagena de Indias, 2023)In times of crisis and budgetary pressures, world governments (specially from emerging economies) look more decisively for alternative sources of income generation. One such alternative is the so-called “sin taxes’’. Many ... -
Anthropic impact assessment of coastal ecosystems in the municipality of Puerto Colombia, NE Colombia
(Cartagena de Indias, 2019)Bolívar, M.; Rivillas-Ospina, G.; Fuentes, W.; Guzmán, A.; Otero, L.; Ruiz, G.; Silva, R.; Mendoza, E.; Maza, M.; García, L., and Berrío, Y., 2019. Anthropic impact assessment on coastal ecosystems in the municipality of ... -
Annual Operating Costs Minimization in Electrical Distribution Networks via the Optimal Selection and Location of Fixed-Step Capacitor Banks Using a Hybrid Mathematical Formulation
(Cartagena de Indias, 2022)The minimization of annual operating costs in radial distribution networks with the optimal selection and siting of fixed-step capacitor banks is addressed in this research by means of a two-stage optimization approach. ... -
Analysis of the relationship between bullying behavior and executive functions in schoolchildren
(Cartagena de Indias, 2021)Though significant associations are known to exist between Executive Functions (EFs) and aggression, the role of EFs in the context of bullying has rarely been examined in populations of the Caribbean Region of Colombia. ... -
Topological and Differential Invariants of Singularities of Contact Structure on a Three-Dimensional Manifold
(Cartagena de IndiasCampus Tecnológico, 2020-12)A contact structure on a three-dimensional manifold is a two-dimensional distribution on this manifold which satisfies the condition of complete non-integrability. If the distribution fails to satisfy this condition at ... -
Analysis of the quality accreditation in industrial engineering programs and the results in the standardized national tests, in Colombia
(Cartagena de Indias, 2020)This article presents a relational analysis between university quality accreditation in industrial engineering programs and the result in standardized tests of higher education in Colombia, employing machine learning ... -
Analysis of Alternatives for the Selection of Offshore Production Platforms. Application in the Colombian Caribbean [Análisis de alternativas para la selección de plataformas de producción offshore. Aplicación en el Caribe Colombiano]
(Cartagena de Indias, 2021)The development of this article consists of the application of an analysis sequence which consists of four criteria that can be considered when developing an offshore oil field. First, a detailed study is made of the ... -
Analysing a license plate-based vehicle restriction policy with optional exemption charge: The case in Cali, Colombia
(Cartagena de Indias, 2023)Several cities have restricted the use of private vehicles based on the last digit of a vehicle's license plate to reduce traffic congestion and pollution. However, the effectiveness of this measure has been questioned. ... -
An optimization model for routing—location of vehicles with time windows and cross-docking structures in a sustainable supply chain of perishable foods
(Cartagena de Indias, 2023)The effective distribution of perishable food items is a critical aspect of managing the food industry's supply chain, given their physical–chemical, biological characteristics and composition, which make them highly ... -
Towards class arbitration in the consumer law in Colombia. A reference to the AT&T mobility llC v. Concepcion case
(Cartagena de IndiasCampus Tecnológico, 2021-03-15)This article highlights a new discussion in Colombia, that is, the role that arbitration could play in consumer law. The paper also analyses a signature case in U.S. arbitration consumer law (AT&T Mobility v Concepcion), ... -
An optimization algorithm for the multi-objective flexible fuzzy job shop environment with partial flexibility based on adaptive teaching–learning considering fuzzy processing times
(Cartagena de Indias, 2023)Production scheduling is a critical factor to enhancing productivity in manufacturing engineering and combinatorial optimization research. The complexity and dynamic nature of production systems necessitates innovative ... -
Proposal of a model for the use of industry 4.0 elements in asset-intensive industries
(Cartagena de Indias, 2022-07)The corporate strategy of today's asset-intensive companies faces an interconnected world, which demands management systems that guarantee the fulfillment of all proposed targets in the most efficient way possible. In this ...
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.
