Universidad Tecnológica de Bolivar UTB (Colombia): últimos ingresos
Mostrando ítems 2561-2580 de 11668
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Dynamic active and reactive power compensation in distribution networks with batteries: A day-ahead economic dispatch approach
(Cartagena de IndiasCampus TecnológicoIngeniería Eléctrica, 2020-06-08)This paper focuses on the problems of optimal operation of battery energy storage systems (BESSs) in distributed networks from a nonlinear programming (NLP) point of view. This proposal contains the active and reactive ... -
Developing an indicator for material selection based on durability and environmental footprint: A Circular Economy perspective
(Cartagena de IndiasCampus TecnológicoIngeniería Mecánica, 2020-05-19)The Circular Economy comprises several strategies to enhance the sustainability of products. However, most of the research in this area has focused on Recycling, Recovering and final disposal. Strategies for lifespan ... -
Bilinear Control for Three-Phase Microgrids: A Proportional-Integral Passivity-Based Design
(Cartagena de IndiasCampus Tecnológico, 2020-07-30)A bilinear PI control based on passivity theory for the adequate integration of distributed energy resources (DERs) in ac microgrids is presented in this paper. DERs are integrated into the grid by voltage source converters ... -
Analysis of hydraulic transients during pipeline filling processes with air valves in large-scale installations
(Cartagena de IndiasCampus TecnológicoIngeniería Civil, 2020-04-13)During the filling process in pressurized hydraulic systems, sudden pressure changes generated inside the pipes can cause significant damage. To avoid these excessive overpressures, air valves should be installed to allow ... -
An energy management system for optimal operation of BSS in DC distributed generation environments based on a parallel PSO algorithm
(Cartagena de IndiasCampus Tecnológico, 2020-06-16)This paper proposes an energy management system (EMS) for the day-ahead dispatch of battery storage systems (BSS) under a distributed generation environment for direct current (DC) networks, with the main objective of ... -
A collaborative EPQ inventory model for a three-echelon supply chain with multiple products considering the effect of marketing effort on demand
(Cartagena de IndiasCampus Tecnológico, 2020-06-01)This paper presents an inventory model for a three-echelon supply chain with multiple products and multiple members considering the demand as an increasing function of the marketing effort. In the proposed inventory model, ... -
A broad diversity survey of Rhizoctonia species from the Brazilian Amazon reveals the prevalence of R. solani AG-1 IA on signal grass and the new record of AG-1 IF on cowpea and soybeans
(Cartagena de IndiasCampus Tecnológico, 2020-03-01)Leaf blight, sheath blight, and web blight are major diseases caused by Rhizoctonia species on both Fabaceae and Poaceae plant hosts in the Brazilian Amazon agroecosystem. To determine the diversity of Rhizoctonia species ... -
Modelo Docencia Remota soportada en TIC
(Cartagena de IndiasCampus Tecnológico, 2020)El objetivo del presente documento es describir el modelo DoReTIC, su proceso de implantación y algunos de los resultados de su ejecución. El documento se divide en ocho secciones, las cuales abordan algunos antecedentes ...