Universidad Tecnológica de Bolivar UTB (Colombia): últimos ingresos
Mostrando ítems 301-320 de 11668
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Efficiency Centered Maintenance of Preheat Train of a Crude Oil Distillation Unit
(Cartagena de Indias, 2020)Nowadays, maintenance is based on the synergistic integration of operational reliability and timely maintenance, which guarantees the required availability and optimal cost. Operational reliability implies producing more, ... -
Rural cooperatives: An opportunity to rethink the role of the State in the face of seed regulation effects in Colombia
(Cartagena de Indias, 2020-09-07)This paper analyzes the causes that affect the rural sector in Colombia, making farmers vulnerable. The situation is made worse as a result of the seed certification regime that prohibits farmers from replanting non-certified ... -
Scenario-Based Model for the Location of Multiple Uncapacitated Facilities: Case Study in an Agro-Food Supply Chain
(Cartagena de Indias, 2021-09-29)Supply chains for agricultural products have taken on great importance in recent times due to the need that exists for consumers to acquire fresh products in excellent quality conditions. In the design of supply networks ... -
Selection and Location of Fixed-Step Capacitor Banks in Distribution Grids for Minimization of Annual Operating Costs: A Two-Stage Approach
(Cartagena de Indias, 2022-06-27)The problem regarding the optimal location and sizing of fixed-step capacitor banks in distribution networks with radial configuration is studied in this research by applying a two-stage optimization approach. The first ... -
Sensitivity of Empirical Equation Parameters for the Calculation of Time of Concentration in Urbanized Watersheds
(Cartagena de Indias, 2022-09-13)settingsOrder Article Reprints Open AccessArticle Sensitivity of Empirical Equation Parameters for the Calculation of Time of Concentration in Urbanized Watersheds by Jamilton Echeverri-Díaz 1,Óscar E. Coronado-Hernández ... -
SIMALL: Emotional BDI Model for Customer Simulation in a Mall
(Cartagena de Indias, 2022-11-15)Modeling customer behavior and exploring the motivations that drive their actions within a shopping mall is the subject of study in multiple works, which has generated new theories in marketing and related areas. However, ... -
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 ... -
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 ... -
Detection of broken bars in three-phase motors by using curve fits and classification algorithms
(Cartagena de Indias, 2022)Since they transform electrical energy into mechanical energy, three-phase induction motors are one of the main assets that companies have. Therefore, good monitoring of their conditions and diagnosing their faults is ... -
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 ... -
Towards gender equality in engineering programs : A case study
(Cartagena de IndiasCampus Tecnológico, 2022-05-31)The low participation of women in STEM fields is considered a critical issue in our society. We analyzed the student population by gender of the school of engineering at Universidad TecnolÓgica de Bolívar. We found that ... -
An Energy Management System for PV Sources in Standalone and Connected DC Networks Considering Economic, Technical, and Environmental Indices
(Cartagena de Indias, 2022)This research proposes an efficient energy management system for standalone and grid-connected direct current (DC) distribution networks that consider photovoltaic (PV) generation sources. A complete nonlinear programming ... -
Treatment for T1DM patients by a neuro-fuzzy inverse optimal controller including multi-step prediction
(Cartagena de IndiasCampus Tecnológico, 2022-07)Diabetes Mellitus is a serious metabolic condition for global health associations. Recently, the number of adults, adolescents and children who have developed Type 1 Diabetes Mellitus (T1DM) has increased as well as the ... -
An Application of Machine Learning to Estimate and Evaluate the Energy Consumption in an Office Room
(Cartagena de Indias, 2023)There are no exact criteria for the architecture of openings and windows in office buildings in order to optimize energy consumption. Due to the physical limitations of this renewable energy source and the lack of conscious ... -
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 ... -
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 ... -
Trends in the training of project managers in Colombia: Review of the offer at the level of specializations
(Cartagena de IndiasCampus Tecnológico, 2021-07-19)The purpose of this work was to investigate the offer of specialization programs in project management in Colombia, which allowed to characterize the offer, the study plans, the courses included in their curricular networks ... -
Agro-Industrial Waste from Cocoa Pod Husk (Theobroma cacao L.), as a Potential Raw Material for Preparation of Cellulose Nanocrystals
(Cartagena de Indias, 2022)Obtaining cellulose from agro-industrial waste offers the possibility of generating added value to solid biomass that is currently deposited in sanitary landfills. This research performed the evaluation of a residue from ... -
Administrative efficiency of IPS providers of health entities accredited in quality in Colombia
(Cartagena de Indias, 2019)This study evaluated the efficiencies of the IPS health providers accredited in quality in Colombia. The normative framework associated with the Mandatory Quality System, the quality accreditation standards for the IPS and ... -
Unidimensional and 3D Analyses of a Radial Inflow Turbine for an Organic Rankine Cycle under Design and Off-Design Conditions
(Cartagena de IndiasCampus Tecnológico, 2023-04-12)The organic Rankine cycle (ORC) is an efficient technology for electricity generation from low- and medium-temperature heat sources. In this type of power cycle, the radial inflow turbine is the option usually selected ...