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Ara es mostren els items 100-119 de 153

    • Mètode d'extracció multiparamètrica de característiques de textura orientat a la segmentació d'imatges 

      Grau Saldes, Antoni (Universitat Politècnica de Catalunya, 1997-07-10)
      Tesi
      Accés obert
      Tal com es veurà en el següent capítol d'antecedents, existeixen formes molt variades d'afrontar l'anàlisi de textures però cap d'elles està orientada al càlcul en temps real (video rate). Degut a la manca de mètodes que ...

    • MIMO LPV state-space identification of an open-flow irrigation canal for control 

      Bolea Monte, Yolanda; Grau Saldes, Antoni; Chefdor, Nicolas (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper a linear parameter varying (LPV) statespace canal control model is obtained by identification in a local way. This LPV identification procedure is based on subspace methods for some operating points of an ...

    • MIMO LPV state-space identification of open-flow irrigation canal systems 

      Bolea Monte, Yolanda; Chefdor, Nicolas; Grau Saldes, Antoni (2012-11)
      Article
      Accés obert
      Canal systems are complex nonlinear, distributed parameter systems with changing parameters according to the operating point. In this paper, a linear parameter-varying LPV state-space canal control model is obtained ...

    • Minimalistic approach for monocular SLAM system applied to micro aerial vehicles in GPS-denied environments 

      Sarquís Urzúa Cevallos, Isidro; Munguía Alcalá, Rodrigo Francisco; Nuño Ortega, Emmanuel; Grau Saldes, Antoni (2018-12-01)
      Article
      Accés obert
      In this work, a novel monocular simultaneous localization and mapping (SLAM) system with application to micro aerial vehicles is proposed. The main difference with respect to previous approaches is that a barometer is used ...

    • Modelling of tidal power with EasyJava simulations 

      Baranger, Pierre; Grau Saldes, Antoni; Bolea Monte, Yolanda (2013-10)
      Report de recerca
      Accés obert
      This report is devoted to the study of a mathematical model to simulte the behaviour of a power generation plant from the ocean tidals. The simulation has been implemented with EasyJava Simulations (EJS) environment.

    • Models matemàtics per a l’educació en sostenibilitat 

      Grau Saldes, Antoni; Bolea Monte, Yolanda (2009-02-12T10:06:49Z)
      Text en actes de congrés / Comunicació de congrés
      Accés obert
      L’objectiu d’aquest projecte és la realització d’un material docent innovador per a l’ambientalització curricular en les àrees docents de l’Enginyeria de Sistemes, Automàtica i Informàtica Industrial. La primera part del ...

    • Monocular SLAM for autonomous robots with enhanced features initialization 

      Guerra Paradas, Edmundo; Munguía Alcalá, Rodrigo Francisco; Grau Saldes, Antoni (2014-04-02)
      Article
      Accés obert
      This work presents a variant approach to the monocular SLAM problem focused in exploiting the advantages of a human-robot interaction (HRI) framework. Based upon the delayed inverse-depth feature initialization SLAM (DI-D ...

    • Monocular SLAM for visual odometry: a full approach to the delayed inverse-depth feature initialization method 

      Munguía Alcalá, Rodrigo Francisco; Grau Saldes, Antoni (2012-09)
      Article
      Accés obert
      This paper describes in a detailed manner a method to implement a simultaneous localization and mapping SLAM system based on monocular vision for applications of visual odometry, appearance-based sensing, and emulation ...

    • Monocular SLAM system for MAVs aided with altitude and range measurements: a GPS-free approach 

      Urzua, Sarquis; Munguía Alcalá, Rodrigo Francisco; Grau Saldes, Antoni (2019-04)
      Article
      Accés obert
      A typical navigation system for a Micro Aerial Vehicle (MAV) relies basically on GPS for position estimation. However,for several kinds of applications, the precision of the GPS is inappropriate or even its signal can be ...

    • Monocular visual SLAM based on a cooperative UAV–target system 

      Trujillo, Juan Carlos; Munguía Alcalá, Rodrigo Francisco; Sarquís Urzúa Cevallos, Isidro; Guerra Paradas, Edmundo; Grau Saldes, Antoni (Multidisciplinary Digital Publishing Institute (MDPI), 2020-06-22)
      Article
      Accés obert
      To obtain autonomy in applications that involve Unmanned Aerial Vehicles (UAVs), the capacity of self-location and perception of the operational environment is a fundamental requirement. To this effect, GPS represents the ...

    • New approach on bearing-only SLAM for indoor environments 

      Guerra Paradas, Edmundo; Bolea Monte, Yolanda; Grau Saldes, Antoni; Munguía Alcalá, Rodrigo Francisco (2011)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      In this paper a novel Simultaneous Localization and Mapping (SLAM) is presented. Using the sound as the input signal, instead of the classical vision or laser systems, leads to a SSLAM (sound SLAM) with a new features, ...

    • Non-integer order control of a buck-boost converter with ultracapacitor 

      Martínez González, Rubén; Grau Saldes, Antoni; Bolea Monte, Yolanda; Martínez García, Herminio (2009-08-01)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Ultracapacitors are devices that their behaviour are suitable modelled using fractional(non-integer)-order models, thus for their control the fractional-order control methodology is needed. In this paper, non-integer order ...

    • One-cycle control-based linear–assisted DC/DC regulator for photovoltaic outdoor robotic recharger 

      Martínez García, Herminio; Bolea Monte, Yolanda; Grau Saldes, Antoni (IEEE Press, 2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial

    • Parallel linear-assisted DC-DC switching converter 

      Martínez García, Herminio; Grau Saldes, Antoni; Bolea Monte, Yolanda; Gámiz Caro, Juan (2011)
      Comunicació de congrés
      Accés obert
      Linear-assisted DC-DC converters or linear-switching hybrid DC–DC converters are power supply structures in which some important advantages from linear regulators and DC-DC switching converters converge. Normally, in ...

    • Parallel Linear–Assisted DC-DC Switching Converter 

      Martínez García, Herminio; Grau Saldes, Antoni; Bolea Monte, Yolanda; Gámiz Caro, Juan (2011)
      Text en actes de congrés
      Accés obert
      Linear-assisted DC-DC converters or linear-switching hybrid DC–DC converters are power supply structures in which some important advantages from linear regulators and DC-DC switching converters converge. Normally, in ...

    • Perception for detection and grasping 

      Guerra Paradas, Edmundo; Pumarola Peris, Albert; Grau Saldes, Antoni; Sanfeliu Cortés, Alberto (Springer, 2019)
      Capítol de llibre
      Accés obert
      This research presents a methodology for the detection of the crawler used in the project AEROARMS. The approach consisted on using a two-step progressive strategy, going from rough detection and tracking, for approximation ...

    • PLC Control and Matlab/Simulink Simulations – A Translation Approach 

      Martins, Joao; Lima, Celson; Grau Saldes, Antoni; Martínez García, Herminio (Sciyo, Publishing, 2010-10-01)
      Capítol de llibre
      Accés restringit per política de l'editorial

    • Policy-based optimization for matching validation algorithm in monocular robotics 

      Guerra Paradas, Edmundo; Grau Saldes, Antoni; Bolea Monte, Yolanda (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A novel policy to use the HOHCT validation algorithm is presented. HOHCT was introduced as a batch gating technique to validate data association in delayed initialization monocular SLAM. This new policy does not alter the ...

    • Pose identification and updating in autonomous vehicles 

      Grau Saldes, Antoni; Bolea Monte, Yolanda; Munguía Alcalá, Rodrigo Francisco (International Academy, Research, and Industry Association (IARIA), 2017)
      Comunicació de congrés
      Accés obert
      In this paper, a novel algorithm to know the pose of any autonomous vehicle is described. Such a system (Attitude and Heading Reference System, AHRS) is essential for real time vehicle navigation, guidance and control ...

    • Power gyrator structures and their use as cells for energy-processing in photovoltaic solar facilities 

      Martínez García, Herminio; Grau Saldes, Antoni; Bolea Monte, Yolanda (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      This paper provides a classification of high efficiency switching power-gyrator structures and their use as cells for energy processing in photovoltaic solar facilities. Having into account the properties of these topologies ...