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      A Path Following Control for Unicycle Robots  [Artículo]

      Díaz del Río, Fernando; Jiménez Moreno, Gabriel; Sevillano Ramos, José Luis; Vicente Díaz, Saturnino; Civit Balcells, Antón (John Wiley and Sons, 2001)
      In this work we present a new path following control for unicycle robots that is applicable for almost all the possible desired paths and whose analysis is very straightforward. First we select the path following method ...
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      An analytical model of inter-channel interference in Bluetooth-based systems  [Ponencia]

      Sevillano Ramos, José Luis; Díaz del Río, Fernando; Jiménez Moreno, Gabriel; Cascado Caballero, Daniel; Civit Balcells, Antón (IEEE Computer Society, 2002)
      One of the main advantages of the Bluetooth standard is that it provides a way to support ad-hoc connectivity between a variable number of devices at low cost. However, in situations with many Bluetooth devices that coexist ...
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      Application of bus emulation techniques to the design of a PCI/MC68000 bridge  [Artículo]

      Rodríguez Corral, José María; Civit Balcells, Antón; Jiménez Moreno, Gabriel; Morgado Estévez, Arturo; Linares Barranco, Alejandro (Elsevier, 2002)
      Bridges easy the interconnection and communication of devices that operate using different buses. In fact, we can see a computer as a hierarchy of buses to which devices are connected. In this paper we design a PCI/MC68000 ...
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      Cellular automaton model for the simulation of laser dynamics  [Artículo]

      Guisado Lízar, José Luís; Jiménez-Morales, Francisco de Paula; Guerra Pérez, José Manuel (American Physical Society, 2003)
      The classical modeling approach for laser study relies on the differential equations. In this paper, a cellular automaton model is proposed as an alternative for the simulation of population dynamics. Even though the model ...
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      Hierarchical Path Search with Partial Materialization of Costs for a Smart Wheelchair  [Artículo]

      Cagigas-Muñiz, Daniel; Abascal, Julio (Springer, 2004)
      In this paper, the off-line path planner module of a smart wheelchair aided navigation system is described. Environmental information is structured into a hierarchical graph (H-graph) and used either by the user interface ...
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      Hardware/software codesign of configurable fuzzy control systems  [Artículo]

      Cabrera, A.; Sánchez Solano, Santiago; Brox, P.; Barriga Barros, Ángel; Senhadji Navarro, Raouf (Elsevier, 2004)
      Fuzzy inference techniques are an attractive and well-established approach for solving control problems. This is mainly due to their inherent ability to obtain robust, low-cost controllers from the intuitive (and usually ...
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      Computational simulation of laser dynamics as a cooperative phenomenon  [Artículo]

      Guisado Lízar, José Luís; Jiménez-Morales, Francisco de Paula; Guerra Pérez, José Manuel (IOP Publishing, 2005)
      The different kinds of behavior exhibited by the system in a laser dynamics simulation using a cellular automata model are analyzed. Three distinct types of behavior have been found: laser constant operation, laser spiking ...
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      Hierarchical D ∗ algorithm with materialization of costs for robot path planning  [Artículo]

      Cagigas-Muñiz, Daniel (Elsevier, 2005)
      In this paper a new hierarchical extension of the D ∗ algorithm for robot path planning is introduced. The hierarchical D ∗ algorithm uses a down-top strategy and a set of precalculated paths (materialization of path ...
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      A Hierarchical Extension of the D ∗ Algorithm  [Artículo]

      Cagigas-Muñiz, Daniel; Abascal, Julio (Springer, 2005)
      In this paper a contribution to the practice of path planning using a new hierarchical extension of the D ∗ algorithm is introduced. A hierarchical graph is stratified into several abstraction levels and used to model ...
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      Soft real-time communications over Bluetooth under interferences from ISM devices  [Artículo]

      Sevillano Ramos, José Luis; Cascado Caballero, Daniel; Díaz del Río, Fernando; Vicente Díaz, Saturnino; Jiménez Moreno, Gabriel; Civit Balcells, Antón (John Wiley and Sons, 2006)
      Bluetooth is a suitable technology to support soft real-time applications like multimedia streams at the personal area network level. In this paper, we analytically evaluate the worst-case deadline failure probability ...
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      Influence of Input/output Operations on Processor Performance  [Artículo]

      Rodríguez Corral, José María; Civit Balcells, Antón; Jiménez Moreno, Gabriel; Sevillano Ramos, José Luis; Morgado Estévez, Arturo (World Scientific, 2006)
      Nowadays, computers are frequently equipped with peripherals that transfer great amounts of data between them and the system memory using direct memory access techniques (i.e., digital cameras, high speed networks, . . ...
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      A Middleware-based Approach for Context-aware Computing  [Artículo]

      Salvador Artola, Zigor; Larrea Álava, Mikel; Cascado Caballero, Daniel; Sevillano Ramos, José Luis; Casas Nebra, Roberto; Marco Marco, Álvaro (CEPIS: Council of European Professional Informatics Societies, 2007)
      Ubiquitous computing environments integrate a large number of heterogeneous devices, which convey an increasing level of complexity when developing ubiquitous applications. A solution to this problem resorts to the use ...
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      An Analytical Study of the Delay in Bluetooth Networks Using the Personal Area Network Profile  [Artículo]

      Morón Fernández, María José; Luque Giráldez, José Rafael; Casilari Pérez, Eduardo; Díaz Estrella, A. (IEEE Computer Society, 2007)
      Bluetooth is the most employed technology to develop Wireless Personal Area Networks. This letter studies the performance of Bluetooth transmissions that make use of the PAN (Personal Area Network) profile. In particular, ...
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      Cellular automata and cluster computing: An application to the simulation of laser dynamics  [Artículo]

      Guisado Lízar, José Luís; Jiménez-Morales, Francisco de Paula; Fernández de Vega, Francisco (World Scientific, 2007)
      Firstly, the application of a cellular automata (CA) model to simulate the dynamics of lasers is reviewed. With this kind of model, the macroscopic properties of the laser system emerge as a cooperative phenomenon from ...
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      Inter-spike-intervals analysis of AER Poisson-like generator hardware  [Artículo]

      Linares Barranco, Alejandro; Oster, Matthias; Cascado Caballero, Daniel; Jiménez Moreno, Gabriel; Civit Balcells, Antón; Linares Barranco, Bernabé (Elsevier, 2007)
      Address–Event–Representation (AER) is a communication protocol for transferring images between chips, originally developed for bio-inspired image-processing systems. Such systems may consist of a complicated hierarchical ...
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      On Real-Time AER 2-D Convolutions Hardware for Neuromorphic Spike-Based Cortical Processing  [Artículo]

      Serrano Gotarredona, Rafael; Serrano Gotarredona, María Teresa; Acosta Jiménez, Antonio José; Serrano Gotarredona, Clara; Pérez Carrasco, José Antonio; Linares Barranco, Bernabé; Linares Barranco, Alejandro; Jiménez Moreno, Gabriel; Civit Balcells, Antón (IEEE Computer Society, 2008)
      In this paper, a chip that performs real-time image convolutions with programmable kernels of arbitrary shape is presented. The chip is a first experimental prototype of reduced size to validate the implemented circuits ...
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      Parallel Cellular Automata-based Simulation of Laser Dynamics using Dynamic Load Balancing  [Artículo]

      Guisado Lízar, José Luís; Fernández de Vega, Francisco; Jiménez-Morales, Francisco de Paula; Iskra, Kamil A.; Sloot, Peter M.A. (InderScience Publishers, 2008)
      We present an analysis of the feasibility of executing a parallel bioinspired model of laser dynamics, based on cellular automata (CA), on the usual target platform of this kind of applications: a heterogeneous non-dedicated ...
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      Computer vision techniques for forest fire perception  [Artículo]

      Martínez de Dios, José Ramiro; Arrue Ullés, Begoña C.; Ollero Baturone, Aníbal; Merino, L.; Gómez Rodríguez, Francisco de Asís (Elsevier, 2008)
      This paper presents computer vision techniques for forest fire perception involving measurement of forest fire properties (fire front, flame height, flame inclination angle, fire base width) required for the implementation ...
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      An eLearning Standard Approach for Supporting PBL in Computer Engineering  [Artículo]

      García-Robles, Rocío; Díaz del Río, Fernando; Vicente Díaz, Saturnino; Linares Barranco, Alejandro (IEEE Computer Society, 2009)
      Problem-based learning (PBL) has proved to be a highly successful pedagogical model in many fields, although it is not that common in computer engineering. PBL goes beyond the typical teaching methodology by promoting ...
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      Overhead and Segmentation Mismatch Effect on Bluetooth WPAN Performance  [Artículo]

      Morón Fernández, María José; Luque Giráldez, José Rafael; Casilari Pérez, Eduardo; Díaz Estrella, A. (Springer, 2009)
      Currently, Bluetooth is the most widely used technology for Wireless Personal Area Networks (WPAN). Quality-of-Service (QoS) support is critical to ensure bandwidth maximization for mobile applications based on this WPAN ...