Now showing items 61-80 of 111

    • Aplicación Móvil para el Monitoreo de Personas con Discapacidad Visual 

      Tristán, Guelda de; Arcia, Agustín; Montes Franceschi, Héctor; Pérez, Rubén (2016-11-09)
      En este artículo se presenta el prototipo de una aplicación móvil denominada TEUBICA, que proporciona a las personas con discapacidad visual (PcDV) la capacidad de conocer el lugar donde se encuentra, brindándole un mejor ...
    • Adding extra sensitivity to the SMART non‐linear actuator using sensor fusion 

      Montes Franceschi, Héctor; Caballero, Rony; Armada, Manuel (Industrial Robot: The International Journal Of Robotics Research And ApplicationIndustrial Robot: The International Journal Of Robotics Research And Application, 03/01/2004)
      The prospect of using humanoid robots in practical applications attracts an important research effort and the latest steps forward in robot technology show many remarkable achievements where design aspects, control systems ...
    • Detecting Zero-Moment Point in Legged Robot 

      Montes Franceschi, Héctor; Manuel, Armada; Nabulsi, Samir (07/01/2014)
      The study of Zero-moment point (ZMP) in ROBOCLIMBER (quadruped walking and climbing robot) was realized and calculated in real time during statically postural and dynamically balanced gait. Force sensor with strain gages ...
    • ROBOCLIMBER: Control System Architecture 

      Montes Franceschi, Héctor; Armada, Manuel; Nabulsi, Samir (07/01/2004)
      The paper shows the complete system architecture of a walking and climbing robot developed to make slope consolidation, where heavy duty equipment is employed for drilling up to 20m holes. ROBOCLIMBER a quadruped robot ...
    • Vertical Movement of Resonance Hopping Robot with Electric Drive and Simple Control System 

      Montes Franceschi, Héctor; Akinfiev, Teodor; Armada, Manuel (2003-06-01)
      In the paper vertical movements of resonance hopping robot with one leg and electric drive are considered. Special construction of hopping robot with compensation of losses during flight of the robot allows to employ a ...
    • Multisensory System for Fruit Harvesting Robots. Experimental Testing in Natural Scenarios and with Different Kinds of Crops 

      Montes Franceschi, Héctor; Fernández, Roemi; Salinas, Carlota; Sarria, Javier (2010-12-04)
      The motivation of this research was to explore the feasibility of detecting and locating fruits from different kinds of crops in natural scenarios. To this end, a unique, modular and easily adaptable multisensory system ...
    • High-Resolution Indirect Feet–Ground Interaction Measurement for Hydraulic-Legged Robots 

      Nabulsi, Samir; Sarria, Javier F.; Montes Franceschi, Héctor; Armada, Manuel A. (10/01/2009)
      Feet-ground interactions influence the legged robot's stability. In this paper, a high-resolution indirect force measurement for hydraulic-legged robots is presented. The use of pressure transducers placed at one or both ...
    • Applications of Petri Nets in electric power systems 

      Gonzalez, Guadalupe; Barazarte, Ronald; Gonzalez, Ruben; Escobar, Julio (Central America and Panama Convention (CONCAPAN XXXIV), 2014 IEEECentral America and Panama Convention (CONCAPAN XXXIV), 2014 IEEE, 2014-11-12)
      In this article Petri Nets are presented as a viable alternative to the modeling and analysis of electric power systems. First, the formalism of Petri Nets, its symbology and rules of use will be introduced. Additionally, ...
    • Robot Saltador y Procedimiento para su Control 

      Akinfiev, Teodor; Armada, Manuel; Fernández, Roemi; Montes Franceschi, Héctor (2005-10-01)
      Robot saltador para el movimiento en terrenos con obstáculos, que contiene al menos un resorte (4) con uno de sus extremos unido al cuerpo (1) del robot, y una cadena cinemática entre el motor (5) y el resorte (4) que ...
    • Modèles 2-D MA pour les champs non déterministes et la décomposition de textures de type Wold 

      Merchán, Fernando; Turcu, Flavius; Najim, Mohamed (2007-06-29)
      Nous proposons une nouvelle méthode pour l'estimation de paramètres d'un modèle 2-D MA infini tronqué associé aux champs stationnaires non déterministes. Cette méthode est développée dans le cadre d'approches d'analyse et ...
    • Outer Factor 2-D MA Models for Purely Random Fields and Fields and Wold-Tipe Texture Decompositions 

      Merchán, Fernando; Turcu, Flavius; Najim, Mohamed (2007-06-29)
      In this paper, we propose a new method to compute the parameters of finite approximations of 2-D MA infinite models associated with purely indeterministic stationary fields, by using spectral factorizations. This method ...
    • Lyapunov Based Stability Analysis for Metro Lines 

      Berbey Álvarez, Aranzazu; Galán, Ramón; Segundo, Pablo San; Sanz Bobi, Juan de Dios (2008-06-30)
      In this work a direct method to measure the stability of metro system lines with respect to a previously constructed time schedule is presented. For this purpose we first model saturation effects using a real time discrete ...
    • Compressive Sensing for Inverse Scattering 

      Marengo, Edwin A.; Hernández, R. D.; Citron, Y. R.; Gruber, F. K.; Zambrano, M.; Lev-Ari, H. (2008-06-30)
      Compressive sensing is a new field in signal processing and applied mathematics. It allows one to simultaneously sample and compress signals which are known to have a sparse representation in a known basis or dictionary ...
    • A New Methodology for Massive Alarm Management System in Electrical Power Administration 

      Aizpurúa, Omar; Caballero, Rony; Galán, Ramón; Jiménez, Agustín (2009-07-01)
      The paper presents a methodology that integrates several available techniques to manage the massive amount of alarm signals in electrical power dispatch control centers, as well as the contribution of each entity involved ...
    • Estimation Aveugle Itérative par Filtrage H∞ des Décalages Doppler d’un Système OFDMA Entrelacé en Liaison Montante 

      Poveda, Héctor; Ferré, Guillaume; Grivel, Eric (2009-07-01)
      Il s'agit d'estimer et de compenser de multiples décalages Doppler dans un contexte multi-(porteuses, utilisateurs) OFDMA en liaison montante. Pour cela, nous proposons une architecture de réception itérative capable ...
    • Décomposition d’Images Fondée sur l’Analyse de la Régularité Locale: Application au Codage Hybride d’Image 

      Merchán, Fernando; Turcu, Flavius; Najim, Mohamed (2016-07-01)
      La représentation hybride d'image utilise conjointement la décomposition en ondelettes pour l'information structurée et la modélisation paramétrique pour les textures. Dans ce cadre, nous proposons un algorithme qui décompose ...
    • A Fuzzy Logic Inference Approach for the Estimation of the Passengers Flow Demand 

      Berbey Álvarez, Aranzazu; Caballero, Rony; Sanz Bobi, Juan de Dios; Galán, Ramón (2016-07-02)
      This paper presents a new approach that designs the flow of passengers in mass transportation systems in presence of uncertainties. One of the techniques used for the prediction of passenger demand is the origin- destination ...
    • Experimental Evaluation of Perception and Actuation Architectures for the Articulated Vehicle Automatic Control 

      Armada, Manuel; Montes Franceschi, Héctor; Salinas, Carlota; Sarria, Javier (2010-07-02)
      Bus Rapid Transit systems as well as Intelligent Transport Systems are being subject of research since many years. Nowadays with highly developed instrumentation, sensing and actuation technologies it is possible to foresee ...
    • A Perception System for Accurate Automatic Control of an Articulated Bus 

      Salanias, Carlota; Montes Franceschi, Héctor; Armada, Manuel (2010-07-02)
      This paper describes the perception system for an automatic articulated bus where an accurate tracking trajectory is desired. Among the most promising transport infrastructures of the autonomous or semi-autonomous ...
    • Lateral and Longitudinal Control System for the Automation of an Articulated Bus 

      Montes Franceschi, Héctor; Salinas, Carlota; Sarria, Javier; Armada, Manuel (2010-07-02)
      This paper presents several results regarding the lateral and longitudinal control systems that have been applied for the automation of an articulated bus, using a rolling wheeled box system with special design that moves ...