Exploració per autor "Grau Saldes, Antoni"Més informacióMés informació

Ara es mostren els items 90-109 de 153

    • La evaluación continua: una aportación a como corregir algunos efectos negativos 

      Domingo Peña, Joan; Segura Casanovas, Joan; Grau Saldes, Antoni (2018-01)
      Article
      Accés obert

    • La introducción de la actividad dirigida en la enseñanza de la electrónica analógica para estudiantes del grado de Electrónica Industrial y Automática 

      Martínez García, Herminio; Domingo Peña, Joan; Grau Saldes, Antoni (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació (ICE), 2012)
      Text en actes de congrés
      Accés obert
      A pesar del indiscutible avance y desarrollo de la electrónica y los sistemas digitales, es bien cierto que la electrónica analógica, y especial aquélla que incide directamente en el amplificador operacional realimentado ...

    • Laboratori virtual de sistemes ecològics 

      Grau Saldes, Antoni; Bolea Monte, Yolanda (Centre per a la Sostenibilitat, 2007-07-12)
      Text en actes de congrés / Comunicació de congrés
      Accés obert
      En aquest article es presenta principalment el recurs didàctic e-learning d’un laboratori virtual de modelització i simulació de fenòmens naturals, ecològics, mediambientals i sostenibles que es va derivar a partir del ...

    • LEPF-Net: light enhancement pixel fusion network for underwater image enhancement 

      Yan, Jiaquan; Wang, Yijian; Fan, Haoyi; Huang, Jiayan; Grau Saldes, Antoni; Wang, Chuansheng (Multidisciplinary Digital Publishing Institute (MDPI), 2023-06-01)
      Article
      Accés obert
      Underwater images often suffer from degradation due to scattering and absorption. With the development of artificial intelligence, fully supervised learning-based models have been widely adopted to solve this problem. ...

    • Linear-assisted DC-DC switching converter with constant switching frequency 

      Martínez García, Herminio; Grau Saldes, Antoni; Bolea Monte, Yolanda; Gámiz Caro, Juan (2011)
      Comunicació de congrés
      Accés obert
      This article shows the proposal of a linear–assisted converter or linear–&–switching hybrid converter with a constant switching frequency. The control loop of the system is based on the current–mode technique. The main ...

    • Linear–assisted DC-DC switching converter with constant switching frequency 

      Martínez García, Herminio; Grau Saldes, Antoni; Bolea Monte, Yolanda; Gámiz Caro, Juan (2011)
      Text en actes de congrés
      Accés obert
      This article shows the proposal of a linear–assisted converter or linear–&–switching hybrid converter with a constant switching frequency. The control loop of the system is based on the current–mode technique. The main ...

    • Los 'Entregables': el paradigma de la evaluación continuada en la universidad 

      Martínez García, Herminio; Domingo, J; Grau Saldes, Antoni; Gámiz Caro, Juan (XIV Congreso Universitario de Innovación Educativa en las Enseñanzas Técnicas, 2006)
      Comunicació de congrés
      Accés obert
      La presente ponencia presenta el método de evaluación utilizado por los autores en la Escuela Universitaria de Ingeniería Técnica Industrial de Barcelona (EUETIB). En concreto, la asignatura que ha servido de plataforma ...

    • LPV model for PV cell and fractional control of DC-DC converter for photovoltaic systems 

      Martínez González, Rubén; Bolea Monte, Yolanda; Grau Saldes, Antoni; Martínez García, Herminio (IEEE, 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper deals with the fractional modelling of a DC-DC converter, suitable in solar-powered electrical generation systems, and the design of a fractional controller for the aforementioned switching converter. A new model ...

    • LPV model for PV cell and fractional control of DC/DC converter for photovoltaic systems 

      Martínez González, Rubén; Bolea Monte, Yolanda; Grau Saldes, Antoni; Martínez García, Herminio (IEEE, 2011)
      Text en actes de congrés
      Accés obert
      This paper deals with the fractional modelling of a DC-DC converter, suitable in solar-powered electrical generation systems, and the design of a fractional controller for the aforementioned switching converter. A new model ...

    • LPV model for PV cells and fractional control of DC/DC converter for photovoltaic systems 

      Martínez González, Rubén; Bolea Monte, Yolanda; Grau Saldes, Antoni; Martínez García, Herminio (IEEE Industrial Electronics Society, 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper deals with the fractional modelling of a DC-DC converter, suitable in solar-powered electrical generation systems, and the design of a fractional controller for the aforementioned switching converter. A new ...

    • 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 ...