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Ara es mostren els items 27-46 de 153

    • Batch gating for data association in monocular SLAM 

      Guerra Paradas, Edmundo; Munguía Alcalá, Rodrigo Francisco; Bolea Monte, Yolanda; Grau Saldes, Antoni (Trans Tech Publications, 2013-05-27)
      Article
      Accés restringit per política de l'editorial
      This work describes the development and implementation of a single-camera SLAM system, introducing a novel data validation algorithm. A 6-DOF monocular SLAM method developed is based on the Delayed Inverse-Depth (DI-D) ...

    • Behavioral-based autonomous robot operation under robot-central base loss of communication 

      Grau Saldes, Antoni; Guerra Paradas, Edmundo; Bolea Monte, Yolanda; Munguía Alcalá, Rodrigo Francisco (Springer, Charm, 2020)
      Text en actes de congrés
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      Robot navigation requires the use of a reliable map. Depending on the environment conditions, this map needs a constant update for a safe navigation. Autonomous robots use this map but at the same can contribute to the ...

    • Buck-boost converter with fractional control for electric vehicles 

      Martínez González, Rubén; Bolea Monte, Yolanda; Grau Saldes, Antoni; Martínez García, Herminio (2010-03)
      Text en actes de congrés
      Accés obert
      In this paper, non-integer order control is applied to improve the performance of a buck-boost dc-dc power converter with ultracapacitor based on state feedback techniques. The approach is based on stabilization in the ...

    • Buck-boost converter with fractional control for electric vehicles 

      Bolea Monte, Yolanda; Grau Saldes, Antoni; Martínez García, Herminio (2010-04)
      Article
      Accés restringit per política de l'editorial
      In this paper, non-integer order control is applied to improve the performance of a buck-boost dc-dc power converter with ultracapacitor based on state feedback techniques. The approach is based on stabilization in the ...

    • Buck-boost DC-DC converter with fractional control 

      Martínez García, Herminio; Grau Saldes, Antoni; Bolea Monte, Yolanda; Martínez González, Rubén (2011)
      Comunicació de congrés
      Accés obert
      This paper deals with the fractional modeling of a DC-DC buck-boost converter, suitable in solar-powered electrical generation systems, and the design of a fractional controller for the aforementioned switching converter. ...

    • Buck–Boost DC-DC converter with fractional control 

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

    • Canal Identification for Fractional Linear Control Purposes 

      Martínez González, Rubén; Bolea Monte, Yolanda; Grau Saldes, Antoni; Martínez García, Herminio (Secretariado de Publicaciones e Intercambio científico. Universidad de Valladolid, 2009-09)
      Text en actes de congrés
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      In this paper an LPV rational order control model of an irrigation canal is experimentally obtained by using the described LPV fractional identification procedure. Global LPV model is obtained from polynomial interpolation ...

    • Closing loops with a virtual sensor based on monocular SLAM 

      Munguía Alcalá, Rodrigo Francisco; Grau Saldes, Antoni (2009-08)
      Article
      Accés obert
      Monocular simultaneous localization and mapping(SLAM) techniques implicitly estimate camera ego-motion while incrementally building a map of the environment. In monocular SLAM, when the number of features in the system ...

    • Collaborative localization for autonomous robots in structured environments 

      Guerra Paradas, Edmundo; Munguía Alcalá, Rodrigo Francisco; Bolea Monte, Yolanda; Grau Saldes, Antoni (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A complete approach to the visual localization and mapping problem (SLAM) is presented in this work. The presented approach exploits the enhanced capabilities of a system where a human and a robot collaborate in ...

    • Computerized control strategy to prevent waste-water plants pollution 

      Bolea Monte, Yolanda; Grau Saldes, Antoni; Martínez García, Herminio (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Comunicació de congrés
      Accés obert
      Pollution in coastal areas is very hazardous for population. The problem is even higher when this pollution occurs in bathing areas such as beaches in populated areas. In this work we present a new automatic control ...

    • Computerized control strategy to prevent wastewater plants pollution 

      Bolea Monte, Yolanda; Grau Saldes, Antoni; Martínez García, Herminio (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Comunicació de congrés
      Accés obert
      Pollution in coastal areas is very hazardous for population. The problem is even higher when this pollution occurs in bathing areas such as beaches in populated areas. In this work we present a new automatic control ...

    • Concurrent initialization for Bearing-Only SLAM 

      Munguía Alcalá, Rodrigo Francisco; Grau Saldes, Antoni (2010-03-01)
      Article
      Accés obert
      Simultaneous Localization and Mapping (SLAM) is perhaps the most fundamental problem to solve in robotics in order to build truly autonomous mobile robots. The sensors have a large impact on the algorithm used for SLAM. ...

    • Constant switching control-based linear-assisted DC/DC regulator for photovoltaic solar-powered facilities 

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

    • Constant switching frequency control-based linear-assisted DC/DC regulator for photovoltaic solar-powered facilities 

      Martínez García, Herminio; Grau Saldes, Antoni (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Text en actes de congrés
      Accés obert
      Hybrid DC-DC regulators or linear–assisted DC-DC regulators are structures that combine both a linear voltage regulator and a switching DC-DC converter. The main objective of this hybrid topology is to converge, in a single ...

    • Cooperative monocular SLAM for multi-UAV systems 

      Trujillo, Juan Carlos; Munguía Alcalá, Rodrigo Francisco; Guerra Paradas, Edmundo; Grau Saldes, Antoni (MDPI AG, 2017-12-04)
      Altres
      Accés obert

    • Cooperative monocular-based SLAM for multi-UAV systems in GPS-denied environments 

      Trujillo, Juan Carlos; Munguía Alcalá, Rodrigo Francisco; Guerra Paradas, Edmundo; Grau Saldes, Antoni (Multidisciplinary Digital Publishing Institute (MDPI), 2018-04-26)
      Article
      Accés obert
      This work presents a cooperative monocular-based SLAM approach for multi-UAV systems that can operate in GPS-denied environments. The main contribution of the work is to show that, using visual information obtained from ...

    • Cooperative visual-SLAM system for UAV-based target tracking in GPS-denied environments: a target-centric approach 

      Trujillo, Juan Carlos; Munguía Alcalá, Rodrigo Francisco; Urzúa Sarquis, Isidro; Grau Saldes, Antoni (2020-05-15)
      Article
      Accés obert
      Autonomous tracking of dynamic targets by the use of Unmanned Aerial Vehicles (UAVs) is a challenging problem that has practical applications in many scenarios. In this context, a fundamental aspect that must be addressed ...

    • Current-Mode One-Cycle Control Applied to Linear-Assisted DC/DC Converters 

      Martínez García, Herminio; Grau Saldes, Antoni; Bolea Monte, Yolanda; Martínez González, Rubén (IEEE Press. Institute of Electrical and Electronics Engineers, 2009)
      Text en actes de congrés
      Accés obert
      This article shows the proposal of an current-mode one-cycle control for linear-assisted DC/DC converters. Linearassisted DC/DC converters are structures that allow to take advantages of the two classic alternatives in the ...

    • Current-mode one-cycle control applied to linear–assisted DC/DC converters 

      Martínez García, Herminio; Grau Saldes, Antoni; Bolea Monte, Yolanda; Gámiz Caro, Juan (2011)
      Comunicació de congrés
      Accés obert
      This article shows the proposal of an current-mode one-cycle control for linear-assisted DC/DC converters. Linear-assisted DC/DC converters are structures that allow to take advantages of the two classic alternatives in ...

    • Current-mode one-cycle control applied to linear–assisted DC/DC converters 

      Martínez García, Herminio; Grau Saldes, Antoni; Bolea Monte, Yolanda (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This article shows the proposal of a current-mode one-cycle control for linear-assisted DC/DC converters. Linear-assisted DC/DC converters are structures that allow to take advantages of the two classic alternatives in ...