Listar Productos de investigación por título

Mostrando ítems 1001-1020 de 1392

    • Overlap and diversity in antimicrobial peptide databases: Compiling a non-redundant set of sequences 

      Marrero-Ponce, Y.; Marrero-Ponce, Y.; Tellez-Ibarra, R.; Llorente-Quesada, M.T.; Salgado, J.; Barigye, S.J.; Liu, J. (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 

      Guzman, Ángela; Rueda, Edgar; Perez, Freddy R.; Marrugo, Andrés G. (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 

      Ruiz Carta, Erika Patricia; Meza Herazo, Isabel Inés; Aguas De Hoyos, Melissa (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 

      Payares, Esteban; Martínez-Santos, Juan Carlos (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 

      Montoya, Oscar Danilo; Ramírez-Vanegas, Carlos Alberto; Grisales-Noreña, Luis Fernando (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 

      De La Ossa E.M.D.; Pérez D.F.; Prado A.L.R. (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 

      Delahoz-Dominguez, Enrique J.; Fontalvo-Herrera, Tomás J.; Zuluaga Ortiz, Rohemi Alfredo (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 

      Arrieta Flórez, Rosaura; Córdoba Girado, Lina Luz; Marún Uparela, Katleen; Sayas Contreras, Rafaela (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 

      Contreras Ortiz, Sonia Helena; Villla-Ramírez, Jose Luis; Osorio-Delvalle, Cristina; Ojeda-Caicedo, Vilma (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 

      Hernández Fernández, Joaquin; Ortega-Toro, Rodrigo; González-Cuello, Rafael (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 

      Montoya, Oscar Danilo; Garrido, Victor Manuel; Gil-Gonzalez, Walter; Orozco-Henao, C. (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 ...

    • Passivity-based control for battery charging/discharging applications by using a buck-boost DC-DC converter 

      Giraldo O.D.M.; Ruiz A.G.; Velazquez I.O.; Perez G.R.E. (IEEE Computer Society, 2018)
      In this paper, a passivity-based control (PBC) theory is applied to control a battery energy storage system (BESS) under current control mode by employing a bidirectional buck-boost DC-DC converter. The proposed controller ...

    • Passivity-Based Control for Hydro-Turbine Governing Systems 

      Gil-González, Walter; Garces A.; Escobar Mejía, Andrés; Montoya O.D. (Institute of Electrical and Electronics Engineers Inc., 2018)
      In this paper an interconnection and damping assignment passivity-based control (IDA-PBC) applied to the hydro-Turbine governing systems (HTGS) is proposed to regulate the relative deviation of turbine speed in single ...

    • Passivity-based control of islanded microgrids with unknown power loads 

      Avila Becerril, Sofia; Espinosa Pérez, Gerardo; Montoya, Oscar Danilo; Garcés, Alejandro (Cartagena de IndiasCampus TecnológicoIngeniería Eléctrica, 2020-10-12)
      In this paper, the control problem of microgrids (MGs)operating in islanded mode is approached from a passivity-based control perspective. A control scheme is proposed that, relying only on local measurements for the power ...

    • Passivity-based PI control of a SMES system to support power in electrical grids: A bilinear approach 

      Gil-González W.; Montoya O.D. (Elsevier Ltd, 2018)
      A bilinear proportional-integral (PI) controller based on passivity-based formulations for integrating superconducting magnetic energy storage (SMES) devices to power ac microgrids is proposed in this paper. A cascade ...

    • Path Planning for Non-Playable Characters in Arcade Video Games using the Wavefront Algorithm 

      Ortega Vargas, Álvaro José; Serrano, Jairo E.C.; Castellanos Acuña, Leonardo; Martínez-Santos, Juan Carlos (Cartagena de Indias, 2020-11-18)
      Search and planning is a common Artificial Intelligence task on videogames development. This exercise covers the design of Non-player character (NPC) behavior, content generation, and narrative's construction. This work ...

    • Patrimonio fotográfico y memoria contra la violencia en Cartagena de Indias 

      Baltar-Moreno, Adolfo; Bernabé-Fraguas, Javier (Cartagena de IndiasCampus TecnológicoComunicación Social, 2024-06-12)
      Se presenta un proceso de recopilación de memorias comunitarias a través de la fotografía vernácula realizado en tres sectores periféricos de Cartagena de Indias (Colombia) afectados por la desigualdad y la violencia ...

    • PBC approach applied on a DC-DC step-down converter for providing service to CPLs 

      Montoya O.D.; Gil-González, Walter; Serra F.M.; Magaldi G. (Institute of Electrical and Electronics Engineers Inc., 2019)
      This paper addresses the problem of output voltage regulation for step-down converters (buck converters) for constant power load (CPL) applications. The model of the CPL corresponds to a hyperbolic constraint that introduces ...

    • PBC Approach for SMES Devices in Electric Distribution Networks 

      Montoya O.D.; Gil-González, Walter; Serra F.M. (Institute of Electrical and Electronics Engineers Inc., 2018)
      This express brief presents a nonlinear active and reactive power control for a superconducting magnetic energy storage (SMES) system connected in three-phase distribution networks using pulse-width modulated current-source ...

    • PBC design for voltage regulation in buck converters with parametric uncertainties 

      Montoya, Oscar Danilo; Villa, J.L; Gil-Gonzalez, Walter (Cartagena de Indias, 2019-12-05)
      This paper addresses the problem of voltage output regulation in DC Buck converters from the passivity-based control (PBC) point of view. The PBC takes advantage of the natural port-Hamiltonian representation of dynamic ...

      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.