Now showing items 365-384 of 798

    • Hierarchical agglomerative clustering of time-warped series 

      Kotas M.; Leski J.; Moroń T.; Guzmán J.G. (Springer Verlag, 2018)
      We have developed a procedure for hierarchical agglomerative clustering of time series data. To measure the dissimilarity between these data, we use classically the Euclidean distance or we apply the costs of the series ...
    • Hierarchical Control for DC Microgrids Using an Exact Feedback Controller with Integral Action 

      Montoya, Oscar Danilo; Martin Serra, Federico; Molina-Cabrera, Alexander (Cartagena de Indias, 2022-02-06)
      This paper addresses the problem of the optimal stabilization of DC microgrids using a hierarchical control design. A recursive optimal power flow formulation is proposed in the tertiary stage that ensures the global ...
    • High impedance fault modeling and location for transmission line 

      García, Jose Doria; Orozco-Henao, Cesar; Leborgne, Roberto; Montoya, Oscar Danilo; Gil-González c, Walter (Cartagena de Indias, 2021-04-07)
      A fault in a power system generates economic losses, security problems, social problems and can even take human lives. Therefore, it is necessary to have an efficient fault location strategy to reduce the exposure time ...
    • Higher-order kinematic analyses of a planar parallel robot based on screw theory 

      Rodelo, M; Villa, J L; Yime, E (Cartagena de Indias, 2020)
      This paper presents the higher-order kinematic analyses of a planar parallel robot, addressed by means of the theory of screws. The reduced velocity, acceleration, jerk and hyper-jerk state for the end-effector of robot ...
    • Highly compact surface micromachined metamaterial circuits using multilayers of low-loss Benzocyclobutene for microwave and millimeter wave applications 

      Eliecer Sr. D.; Cheng X.; Yoon Y.-K. (2012)
      This work explores the implementation of highly compact three dimensional (3D) integrable metamaterial based transmission lines on a low resistivity CMOS grade silicon substrate for microwave and millimeter wave applications. ...
    • Hilo lector: introducción 

      (Universidad Tecnológica de Bolívar. Facultad de Ciencias Sociales y Humanidades. Programa de Comunicación social (Cartagena de IndiasCampus TecnológicoComunicación Social, 2020-01-28)
      Una serie de podcasts para estimular la lectura entre los estudiantes del programa de Comunicación Social y la Facultad de Ciencias sociales y Humanidades. Con nuestro Hilo se ha tejido una colección de lecturas de clásicos ...
    • HoloEasy, a web application for computer generated holograms 

      Patiño-Vanegas A.; Diaz-Pacheco L.L.; Patiño-Vanegas J.J.; Martínez-Santos J.C. (Springer Verlag, 2018)
      If the appropriate phase and/or amplitude profile is placed on a Diffractive Optical Element (DOE) it can practically generate an image of an object (hologram) by diffraction of the light. The problem of generating computer ...
    • How evolving network access and network management technologies are redefining the competitive wireless markets 

      Beltrán F.; Gutiérrez J.A.; Melús J.L. (2011)
      This paper examines some of the key problems users encounter when accessing current generation wireless networks. Using a case study of a hypothetical user, the authors explore the emerging services and the new broadband ...
    • How to manage generations? An Approach based on the Quality of Work Life 

      Martínez-Buelvas L.; Jaramillo-Naranjo O. (IBIMA Publishing, 2019)
      The objectives of this research are to examine whether there are significant differences in the perception of quality of work life among employees of three generational cohorts (i.e., Baby Boomers, Generation Xers and ...
    • Humor styles across 28 countries 

      Schermer J.A.; Rogoza R.; Kwiatkowska M.M.; Kowalski C.M.; Aquino S.; Ardi R.; Bolló H.; Branković M.; Chegeni R.; Crusius J.; Doroszuk M.; Enea V.; Truong T.K.H.; Iliško D.; Jukić T.; Kozarević E.; Kruger G.; Kurtić A.; Lange J.; Liik K.; Malik S.; Lins S.; Mamuti A.; Martinez-Buelvas L.; Mrkušić B.; Navarro-Carrillo G.; Oviedo-Trespalacios O.; Özsoy E.; Papazova E.; Park J.; Pylat N.; Riđić G.; Riđić O.; Skelić D.; Tan C.-S.; Torres-Marín J.; Uslu O.; Volkodav T.; Włodarczyk A.; Krammer G. (Springer, 2019)
      Responses to a measure of the four humor styles of affiliative, aggressive, self-enhancing, and self-defeating from the Humor Styles Questionnaire (HSQ; Martin et al. Journal of Research in Personality, 37(1), 48–75, 2003) ...
    • Hybrid calibration method for improving 3D measurement accuracy of structured light systems 

      Marrugo, Andrés G.; Vargas, Raul; Zhang, Song; Romero, Lenny A. (Cartagena de Indias, 2020-08-21)
      In structured-light systems, the lens distortions of the camera and the projector reduce the measurement accuracy when calibrated as a standard stereo-vision system. The conventional compensation via distortion coefficients ...
    • Hybrid calibration procedure for fringe projection profilometry based on stereo vision and polynomial fitting 

      Vargas, Raúl; Marrugo, G.; Romero, Lenny A.; Zhang, Song (Cartagena de IndiasIngeniería Mecatrónica, 2020-03-19)
      The key to accurate 3D shape measurement in fringe projection profilometry (FPP) is the proper calibration of the measurement system. Current calibration techniques rely on phase-coordinate mapping (PCM) or back-projection ...
    • Hybrid choice model for alternative fuelled vehicles [Modelación híbrida para la elección de vehículos con energías alternativas] 

      Soto J.J.; Cantillo V.; Arellana J. (Interciencia Association, 2014)
      The promotion of alternative fuelled vehicles for the reduction of atmospheric emissions is a highly discussed topic nowadays. It requires evaluating the potential demand and people's preferences for vehicles using these ...
    • Hybrid ga-socp approach for placement and sizing of distributed generators in DC networks 

      Montoya, Oscar Danilo; Gil-González, Walter; Grisales-Noreña, Luis Fernando (Cartagena de Indias, 2020-12-02)
      This research addresses the problem of the optimal location and sizing distributed generators (DGs) in direct current (DC) distribution networks from the combinatorial optimization. It is proposed a master–slave optimization ...
    • Hybrid Metaheuristic Optimization Methods for Optimal Location and Sizing DGs in DC Networks 

      Grisales-Noreña L.F.; Garzon-Rivera O.D.; Danilo Montoya O.; Ramos-Paja C.A. (Springer, 2019)
      In this paper is proposed a master-slave method for optimal location and sizing of distributed generators (DGs) in direct-current (DC) networks. In the master stage is used the genetic algorithm of Chu & Beasley (GA) for ...
    • Hydraulic modeling during filling and emptying processes in pressurized pipelines: a literature review 

      Fuertes-Miquel V.S.; Coronado-Hernández O.E.; Mora-Meliá D.; Iglesias-Rey P.L. (Taylor and Francis Ltd., 2019)
      Filling and emptying processes are common maneuvers while operating, controlling and managing water pipeline systems. Currently, these operations are executed following recommendations from technical manuals and pipe ...
    • Hydrological considerations for sizing of a barge discharge pipeline runway 

      Coronado-Hernandez, Oscar; Coronado-Hernandez, Jairo R.; Romero Conrado, Alfonso Rafael; Gatica, Gustavo; Olmedo, Alexis (Cartagena de Indias, 2021-11-01)
      A key element for water supply systems is the design of the water intake components. Mobile floating platforms (barges) are helpful when the hydraulic system displays substantial variations in water levels. This study ...
    • IMMAN: free software for information theory-based chemometric analysis 

      Urias R.W.P.; Barigye S.J.; Marrero-Ponce Y.; García-Jacas C.R.; Valdes-Martiní J.R.; Perez-Gimenez F. (Kluwer Academic Publishers, 2015)
      Abstract: The features and theoretical background of a new and free computational program for chemometric analysis denominated IMMAN (acronym for Information theory-based CheMoMetrics ANalysis) are presented. This is ...
    • Impact of Environmental Pollution in the Sustainability of Architectural Heritage: Case Study from Cartagena of India, Colombia 

      Cano, Heidis; Ríos-Rojas, John Fredy; Hernández-Fernández, Joaquin; Bernal Herrera, Wilson; Bautista Betancur, Mayka; De La Hoz Vélez, Lorcy; Agámez González, Lidy (Cartagena de Indias, 2021-12-24)
      Limited studies have been carried out in emerging nations on the correlation among the environmental pollution, economic factors, and architectural heritage. For this reason, this research presents an assessment of ...
    • Impacto de la comunicación de la responsabilidad social universitaria en la selección de universidad y efecto mediador de la reputación 

      Erazo-Coronado, Lucy; Llano-Aristizábal, Sergio; Garcés-Prettel, Miguel; Erazo-Coronado, Ana-María (Cartagena de Indias, 2020-08)
      El naciente concepto de responsabilidad social universitaria (RSU) consiste en el cumplimiento de la misión de la universidad dentro de unos estándares éticos, de apoyo a la comunidad, respeto al ser humano y al medio ...