Listar Productos de investigación por título
Mostrando ítems 993-1012 de 1394
-
Optimized Two-Level Control of Islanded Microgrids to Reduce Fluctuations
(Cartagena de Indias, 2022-09)The main problem in the operation of micro-grids is controlling the voltage and frequency. The inertia of the whole grid is low, so the operation of the system is interrupted by sudden changes in load or incidence in the ... -
Optimum search strategies or novel 3D molecular descriptors: Is there a stalemate?
(Bentham Science Publishers B.V., 2015)The present manuscript describes a novel 3D-QSAR alignment free method (QuBiLS-MIDAS Duplex) based on algebraic bilinear, quadratic and linear forms on the kth two-tuple spatial-(dis)similarity matrix. Generalization schemes ... -
Organic versus conventional: A comparative study on the shelf life of passion fruit (Passiflora edulis Sims) crops
(Universiti Putra Malaysia, 2019)Yellow passion fruit (Passiflora edulis Sims) is one of the most appetising fruits worldwide due to its intense flavour. There have been few published studies comparing the evolution of storage quality parameters and shelf ... -
Organizational cynicism - An exploration analysis-case: Workers in the city of Cartagena de Indias (Colombia)
(Revista Espacios, 2018)Organizational cynicism is a fact that is present and negative within organizations. In this sense, the present study aims to approach the phenomenon of cynicism in organizations from the study of cynical attitudes composed ... -
Organizational happiness dimensions as a contribution to sustainable development goals: A prospective study in higher education institutions in Chile, Colombia and Spain
(Cartagena de Indias, 2020-12-15)The aim of this study is to reveal the perception of current and future organizational happiness in the context of higher education institutions (HEIs) in a cross-national study, to reveal exploratory scenarios supporting ... -
Organizational management for innovation: Petrochemical sector case in Cartagena de Indias (Colombia)
(2010)This study was made within the framework of characterizing the petrochemical and plastic sector and aims to analyze different models of organizational management for innovation. The methodology used was that of multiple ... -
Origin and weight of news media outlets indexed on google news: An exploration of the editions from Brazil, Colombia, and Mexico
(Cartagena de Indias, 2020-12-01)Google News is a controversial news aggregation service owned by Google. By analyzing 3,738,375 news stories added in the Brazil, Colombia, and Mexico editions from January to March of 2015, 2,246 news media outlets were ... -
Output Voltage Regulation for DC-DC Buck Converters: A Passivity-Based PI Design
(Institute of Electrical and Electronics Engineers Inc., 2019)This paper presents a global tracking passivity-based proportional-integral (PI) control for output voltage regulation of a DC-DC Buck converter. The proposed controller is based on passivity formulation since DC-DC Buck ... -
Overall heat transfer coefficient optimization in a spiral-plate heat exchanger
(Cartagena de Indias, 2020)Heat exchangers are widely used in the industry to allow the heat transfer between two fluids. For that reason, correctly sizing said devices poses a design problem in order to guarantee the efficiency and appropriate ... -
Overlap and diversity in antimicrobial peptide databases: Compiling a non-redundant set of sequences
(Oxford University Press, 2015)Motivation: The large variety of antimicrobial peptide (AMP) databases developed to date are characterized by a substantial overlap of data and similarity of sequences. Our goals are to analyze the levels of redundancy for ... -
La óptica en Colombia: introducción al número especial
(Cartagena de Indias, 2022)This special issue of Optica Pura y Aplicada (OPA) on Optics in Colombia compiles peer-reviewed articles by optics and photonics researchers from Colombia. The call for papers was made in May 2021 through a call published ... -
El papel de la asociatividad y su relación con el desempeño de las organizaciones
(Cartagena de IndiasCasa LemaitreMaestría en Administración, 2023-12-06)Los proyectos agroindustriales están destacándose frente a otros sectores debido al componente de desarrollo social y económico que tienen con poblaciones vulnerables a nivel rural. Entre estos proyectos, las organizaciones ... -
Parallel Quantum Computation Approach for Quantum Deep Learning and Classical-Quantum Models
(Cartagena de Indias, 2021-12-10)The paradigm of Quantum computing and artificial intelligence has been growing steadily in recent years and given the potential of this technology by recognizing the computer as a physical system that can take advantage ... -
Parametric estimation in photovoltaic modules using the crow search algorithm
(Cartagena de Indias, 2021-06-16)The problem of parametric estimation in photovoltaic (PV) modules considering manufacturer information is addressed in this research from the perspective of combinatorial optimization. With the data sheet provided by the ... -
Parental competences and child resilience in the context of displacement in Colombia
(Fundacion para la Investigacion Social Avanzada, 2018)This paper presents results of a research that arose from the interest of studying the phenomenon of forced displacement as an adversity, which can be overcome because human beings have the competences to mitigate psychosocial ... -
Partial least squares – path modelling for efficiency assessment in the colombian professional football league
(Cartagena de Indias, 2022-03-01)This research develops a production function to evaluate the teams’ efficiency in the Colombian professional soccer league. The designed methodology uses the concepts of structural equations and Data Envelope Analysis. In ... -
La participación política como resistencia: el caso de la Agencia de Derechos Humanos en Montes de María, Colombia
(Cartagena de IndiasCampus TecnológicoCiencia Política y Relaciones Internacionales, 2019-05)La participación significa para las víctimas del conflicto armado en Colombia una apuesta por la agencia creativa para la reparación de los derechos vulnerados por el conflicto. Este trabajo presenta los resultados del ... -
Participation of women in STEM higher education programs in Latin america: The issue of inequality
(Cartagena de Indias, 2020-07-27)The low participation of women in STEM fields has been considered a critical issue in our society. It affects the rights of women to receive high quality education, to develop their skills and to improve their career ... -
Parts per Million of Propanol and Arsine as Responsible for the Poisoning of the Propylene Polymerization Reactio
(Cartagena de Indias, 2023-09-01)Polypropylene synthesis is a critical process in the plastics industry, where control of catalytic activity is essential to ensure the quality and performance of the final product. In this study, the effect of two ... -
Passivity-based control applied of a reaction wheel pendulum: An IDA-PBC approach
(Cartagena de Indias, 2019-11)This paper presents the development of a nonlinear controller for the reaction wheel pendulum (RWP) via an interconnection and damping assignment passivity-based control (IDA-PBC) approach. The IDA-PBC approach works with ...
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.