Now showing items 21-40 of 84

    • Real-time flood detection for video surveillance 

      Cáceres Hernández, Danilo; Hyun Jo, Kang; Filonenko, Alexander; Seo, Dongwook (11/09/2015)
      This paper introduces the real-time flash flood detection method for stationary surveillance cameras. It can be applied for rural and urban areas and capable of working during day time. The background subtraction was used ...
    • Modelling the degradation process of lithium-ion batteries when operating at erratic state-of-charge swing ranges 

      Perez, Aramis; L. Quintero, Vanessa; Rozas, Heraldo; Jaramillo, Francisco; Moreno, Rodrigo; Orchard, Marcos (2017 4th International Conference on Control, Decision and Information Technologies (CoDIT), 11/09/2017)
      Manufacturers of lithium-ion batteries inform capacity degradation for regular, symmetrical charge/discharge cycles, which is clearly problematic in real life applications where charge/discharge cycles are hardly regular. ...
    • Localization estimation based on Extended Kalman filter using multiple sensors 

      Cáceres Hernández, Danilo; Dung Hoang, Van; Hyun Jo, Kang; Ha Le, My (11/10/2013)
      Abstract: This paper describes a method for localization estimation based on Extended Kalman filter using an omnidirectional camera and a laser rangefinder. Laser rangefinder information is used for predicting absolute ...
    • Lane Surface Identification Based on Reflectance using Laser Range Finder 

      Cáceres Hernández, Danilo; Hyun Jo, Kang; Dung Hoang, Van (12/13/2014)
      In striving to achieve autonomous navigation the problem of guidance is a major difficulty faced by fully autonomous vehicle. In this paper, the authors focus on unconventional methods of identifying lane markings on a ...
    • Lithium-ion battery pack arrays for lifespan enhancement 

      Perez, Aramis; L. Quintero, Vanessa; Rozas, Heraldo; Jimenez, Diego; Jaramillo, Francisco; Orchard, Marcos (2017 CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON), 12/21/2017)
      Depending on the application, power and energy requirements may differ significantly and, most likely, a single lithium-ion cell will not suffice. Battery packs offer cell interconnections that allow to obtain several ...
    • Frame retransmission using a modified VST-TDMA access protocol in Picocell/WPAN 

      L. Quintero, Vanessa; Estevez, Carlos (2017 IEEE 9th Latin-American Conference on Communications (LATINCOM), 12/28/2017)
      The VST-TDMA access protocol has shown to have many advantages over existing protocols in centralized (star) wireless network architectures. As most data-link layer protocols, it does not have a recovery feature as data ...
    • Robust Cascade Controller for Nonlinearly Actuated Biped Robots: Experimental Evaluation 

      Caballero, Rony; Armada, Manuel; Akinfiev, Teodor (1905-06-26)
      In this paper we consider the postural stability problem for nonlinearly actuated quasi-static biped robots, both with respect to the joint angular positions and also with reference to the gripping effect between the ...
    • On the Design and Development of Climbing and Walking Robots for the Maritime Industries 

      Armada, Manuel; Prieto, M.; Akinfiev, T.; Fernández, Roemi; Montes Franceschi, Héctor (1905-06-27)
      Modern robotic systems are increasingly powerful in terms of sensor fusion and mobility. Present technological progress allows advanced robots to cope progressively much better also with complex environments such as those ...
    • Reliable, Built-in, High-Accuracy Force Sensing for Legged Robots 

      Montes Franceschi, Héctor; Nabulsi, Samir; Armada, Manuel (1905-06-28)
      An approach for achieving reliable, built-in, high-accuracy force sensing for legged robots is presented, based on direct exploitation of the properties of a robot’s mechanical structure. The proposed methodology relies ...
    • Methodology for Zero-moment Point Experimental Modeling in the Frequency Domain 

      Caballero, Rony; Armada, Manuel; Alarcón, Pedro (1905-06-28)
      Frequency domain methodology is applied to obtain a nominal model for the Zero-Moment Point (ZMP) stability index of a biped robot in an attempt to establish a relationship between the robot trunk trajectories and the ...
    • Modèles 2-D MA pour les champs non déterministes et la décomposition de textures de type Wold 

      Merchán, Fernando; Turcu, Flavius; Najim, Mohamed (1905-06-29)
      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 (1905-06-29)
      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 (1905-06-30)
      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. (1905-06-30)
      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 ...
    • La Nariz Electrónica: Estado del Arte 

      Moreno, Iveth; Caballero, Rony; Galán, Ramón; Matía, Fernando; Jiménez, Agustín (1905-07-01)
      En este trabajo se presenta el estado del arte de los sistemas olfativos artificiales o narices electrónicas, su funcionamiento y algunas de sus aplicaciones. Además, se revisa el concepto de olfato electrónico, pasando ...
    • Estimation Aveugle Itérative par Filtrage H∞ des Décalages Doppler d’un Système OFDMA Entrelacé en Liaison Montante 

      Poveda, Héctor; Ferré, Guillaume; Grivel, Eric (1905-07-01)
      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 (1905-07-01)
      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 New Methodology for Massive Alarm Management System in Electrical Power Administration 

      Aizpurúa, Omar; Caballero, Rony; Galán, Ramón; Jiménez, Agustín (1905-07-01)
      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 ...
    • Conflict Resolution in the Electricity Sector - The Experts Panel of Chile 

      Fischer, R.; Palma-Behnke, Rodrigo; Guevara Cedeño, Jessica (1905-07-01)
      One of the main challenges facing the electricity sector worldwide is the design of efficient markets. In particular, the mechanisms used to solve regulatory conflicts are a crucial element of a regulatory regime and a ...
    • A Perception System for Accurate Automatic Control of an Articulated Bus 

      Salanias, Carlota; Montes Franceschi, Héctor; Armada, Manuel (1905-07-02)
      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 ...