Now showing items 1-20 of 25

    • 3D printed probe for simultaneous E and H fields measurements 

      Quílez Figuerola, Marcos; Pous Solà, Marc; Mateu Mateus, Marc; Solé Lloveras, Jordi; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Conference report
      Open Access
      Additive manufacturing using conductive polylactic acid (PLA) is an emerging technology. This work presents a double-loaded loop probe made of conductive PLA and evaluates its performance compared to a previous design built ...
    • A wireless augmentative and alternative communication system for people with speech disabilities 

      Hornero Ocaña, Gemma; Quílez Figuerola, Marcos; Casas Piedrafita, Óscar (Institute of Electrical and Electronics Engineers (IEEE), 2015-08-19)
      Article
      Open Access
      An augmentative and alternative communication (AAC) device for people with speech disabilities is presented. This AAC system exhibits the advantages of two currently used systems: 1) usability of the communication boards ...
    • An electromagnetic interference reduction check list for unmanned aircraft system 

      Tristancho Martínez, Joshua; Quílez Figuerola, Marcos; Pastor Llorens, Enric (2010)
      Conference report
      Restricted access - publisher's policy
    • Analysis of the effect of deviated modulating signal characteristics on the susceptibility of a small medical device 

      Bastian, Geon George; Pinto Nunes, Tiago; Quílez Figuerola, Marcos; Fernández Chimeno, Mireya; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Conference report
      Restricted access - publisher's policy
      A variety of modulation techniques using various signal characteristics are used by the telecommunication industry in real-life applications. Despite this, the radiated immunity test based on the IEC 61000-4-3 only modulates ...
    • Broadband effective dielectric permittivity of heterogeneous 3D printed PLA structures 

      Azpúrua Auyanet, Marco Aurelio; Mateu Mateus, Marc; Pous Solà, Marc; Quílez Figuerola, Marcos; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Conference report
      Open Access
      3D printing and additive manufacturing technologies are increasingly being employed for electronics, RF, and microwave applications because they allow high design flexibility at low cost and rapid prototyping. The intrinsic ...
    • Characterization of time domain EM field double-loaded curved loop probe 

      Pous Solà, Marc; Quílez Figuerola, Marcos; Fernández Chimeno, Mireya; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Open Access
      In this paper, we present and analyze the performance of a double-loaded curved loop probe to measure simultaneously electric and magnetic fields (EMF). The aim is to construct a probe that can be fitted to non-planar ...
    • Compoball: Novel On-line Composting Monitoring System 

      Casas Piedrafita, Óscar; López Martínez, Margarita; Quílez Figuerola, Marcos; Huerta Pujol, Oscar; Martínez Farré, Francesc Xavier (2011)
      Conference report
      Open Access
    • Comunicador para personas con discapacidad. Entregable 4. Evolutivos maquetas y prototipos 

      Casas Piedrafita, Óscar; Hornero Ocaña, Gemma; Quílez Figuerola, Marcos (2012-04-02)
      Other
      Restricted access - author's decision
      Entregable del convenio C-08197 con la empresa B&J adaptaciones
    • Comunicador para personas con discapacidad: entregable 2.2: maqueta no funcional para cada uno de los subsistemas 

      Casas Piedrafita, Óscar; Hornero Ocaña, Gemma; Quílez Figuerola, Marcos (2012-02-01)
      Other
      Restricted access - author's decision
      Entregable seguiment conveni C-08197 amb l'empresa B&J Adaptaciones
    • Comunicador para personas con discapacidad: entregable 3: desarrollo de prototipos funcionales 

      Casas Piedrafita, Óscar; Hornero Ocaña, Gemma; Quílez Figuerola, Marcos (2012-03-01)
      Other
      Restricted access - author's decision
      Entregable del convenio C-08197 con la empresa B&J Adaptaciones
    • D6.1 Report on Results on Parallel Testing 

      Casas Piedrafita, Óscar; Quílez Figuerola, Marcos; López Martínez, Margarita; Martínez Farré, Francesc Xavier (2012-10-01)
      Research report
      Restricted access - author's decision
      Delivarable entregat a la Unió Europea dins del projecte CompoBall. Novel on line composting monitoring system. Grant Agreement No: 243625
    • Design and validation of a test fixture for studying RF current flux through mechanical aircraft joints 

      Solé Lloveras, Jordi; Azpúrua Auyanet, Marco Aurelio; Pous Solà, Marc; Quílez Figuerola, Marcos; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Conference lecture
      Open Access
      The study of electric currents flowing through the airframe is important from an EMC standpoint due to the potential to cause severe aircraft failures. Nevertheless, this is a challenging task because of the complex shape, ...
    • Effects of stray capacitance to ground in impedance measurements 

      Aliau Bonet, Carles; Quílez Figuerola, Marcos (Elsevier, 2021)
      Part of book or chapter of book
      Restricted access - publisher's policy
      Inductive effects such as positive phase angles in impedance measurements have often confused the researchers when the material measured is nonmagnetic. When the measurement is based on auto-balancing bridge method and the ...
    • Electromagnetic characterization of 3D printed antennas employing conductive filament 

      Pous Solà, Marc; Azpúrua Auyanet, Marco Aurelio; Quílez Figuerola, Marcos; Mateu Mateus, Marc; Fernández Chimeno, Mireya; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Conference report
      Restricted access - publisher's policy
      This work presents the need to accurately define EM characterization of novel materials like the 3D conductive filament. Although these construction techniques and materials are currently used by the industry, the influence ...
    • Entropy as a wear out indicator: The resistor example 

      Cuadras Tomàs, Àngel; Ovejas Benedicto, Victòria Júlia; Quílez Figuerola, Marcos (2013)
      Conference report
      Restricted access - publisher's policy
      In this contribution we aim at proposing entropy measurements in resistive elements to characterize the induced damage due to current and Joule effect dissipation. 0.25 W off the shelf resistors are biased with constant ...
    • Initial analysis of SAR from a cell phone inside a vehicle by numerical computation. 

      Anzaldi, Gabriel; Silva Martínez, Fernando; Fernández Chimeno, Mireya; Quílez Figuerola, Marcos; Riu Costa, Pere Joan (Institution of Electrical and Electronics Engineers, 2007-05-31)
      Article
      Open Access
      The purpose of this paper is to analyze the influence of the metallic structures of a realistic car body frame on the specific absorption rate (SAR) produced by a cell phone when a complete human body model is placed at ...
    • Interagames: Control accesible de videojuegos para Xbox 360, PS3, Wii y PC. 

      Hornero Ocaña, Gemma; Quílez Figuerola, Marcos; Casas Piedrafita, Óscar (2013)
      Conference report
      Open Access
      Este trabajo presenta una nueva plataforma de interacción de usuarios con discapacidad con los juegos de las principales videoconsolas comerciales. El sistema diseñado habilita el acceso a las diferentes plataformas ...
    • Interfaz gestual para el acceso a plataformas digitales y control de plataformas para el ocio 

      Hornero Ocaña, Gemma; Quílez Figuerola, Marcos; Casas Piedrafita, Óscar (2015)
      Conference lecture
      Open Access
      La tetraplejia y la paraplejia son discapacidades que resultan de las lesiones en la médula espinal y trastornos neuromusculares tales como la parálisis cerebral. Los pacientes que las padecen presentan diferentes niveles ...
    • Irreversible entropy model for damage diagnosis in resistors 

      Cuadras Tomàs, Àngel; Crisóstomo, Javier; Ovejas Benedicto, Victòria Júlia; Quílez Figuerola, Marcos (American Institute of Physics (AIP), 2015-10-28)
      Article
      Open Access
      We propose a method to characterize electrical resistor damage based on entropy measurements. Irreversible entropy and the rate at which it is generated are more convenient parameters than resistance for describing damage ...
    • Mouse for computer control from the joystick of the wheelchair 

      Casas Nebra, Roberto José; Quílez Figuerola, Marcos; Hornero Ocaña, Gemma; Romero, Borja; Romero, Carlos; Domingo, Sergio; Atarés, Antonio; Costa, Joaquín; Casas Piedrafita, Óscar (Càtedra d'Accessibilitat (CATAC), 2012)
      Article
      Open Access
      Becoming autonomous is one of the biggest challenges for many people with disabilities. Increasing their autonomy usually involves the use of a wheelchair and any kind of digital assistant, such as a computer or a tablet, ...