Now showing items 1-20 of 118

    • 3Cat-1 project: a multi-payload CubeSat for scientific experiments and technology demonstrators 

      Jové Casulleras, Roger; Araguz López, Carles; Via Ortega, Pol; Solanellas Bofarull, Arnau; Amézaga Sarries, Adrià; Vidal Mateu, David; Muñoz Martin, Joan Francesc; Marí Barceló, Marc; Olivé Muñiz, Roger; Sáez Hernández, Alberto; Jané Abad, Jaume; Bou Balust, Elisenda; Iannazzo Soteras, Mario Enrique; Gorreta Mariné, Sergio; Ortega Villasclaras, Pablo Rafael; Pons Nin, Joan; Domínguez Pumar, Manuel; Alarcón Cot, Eduardo José; Ramos Castro, Juan José; Camps Carmona, Adriano José (2017)
      Article
      Open Access
      This article introduces 3 Cat-1, the first project of the Technical University of Catalonia to build and launch a nano-satellite. Its main scope is to develop, construct, assemble, test and launch into a low Earth orbit a ...
    • 3Cat-1: a multi-payload Cubesat-based scientific and technology demonstrator 

      Jové Casulleras, Roger; Camps Carmona, Adriano José; Ramos Castro, Juan José; Alarcón Cot, Eduardo José; Bou Balust, Elisenda; Carreño Luengo, Hugo; Amézaga Sarries, Adrià; Olivé Muñiz, Roger; Vidal Mateu, David; Muñoz Martin, Joan Francesc; Araguz López, Carles; Marí Barceló, Marc; Ortega Villasclaras, Pablo Rafael; Pons Nin, Joan; Gorreta Mariné, Sergio; Domínguez Pumar, Manuel; Iannazzo Soteras, Mario Enrique (European Spatial Agengy (ESA), 2014)
      Conference lecture
      Open Access
    • A CubeSAT payload for in-situ monitoring of pentacene degradation due to atomic oxygen etching in LEO 

      Gorreta Mariné, Sergio; Pons Nin, Joan; López Rodríguez, Gema; Figueras, Eduard; Jové Casulleras, Roger; Araguz López, Carles; Via Ortega, Pol; Camps Carmona, Adriano José; Domínguez Pumar, Manuel (2016-09-01)
      Article
      Open Access
      This paper reports and discusses the design and ground tests of a CubeSat payload which allows to measure, in-situ and in real time, the degradation of a polymer of electronic interest due to atomic oxygen etching in LEO. ...
    • A miniaturized 3d heat flux sensor to characterize heat transfer in regolith of planets and small bodies 

      Domínguez Pumar, Manuel; Rodríguez Manfredi, José Antonio; Jiménez Serres, Vicente; Bermejo Broto, Sandra; Pons Nin, Joan (Multidisciplinary Digital Publishing Institute (MDPI), 2020-08-01)
      Article
      Open Access
      The objective of this work is to present the first analytical and experimental results obtained with a 3D heat flux sensor for planetary regolith. The proposed structure, a sphere divided in four sectors, is sensible to ...
    • A miniaturized two axis sun sensor for attitude control of nano-satellites 

      Angulo, M.; Gras, Ana; Ortega Villasclaras, Pablo Rafael; López Rodríguez, Gema; Ricart Campos, Jordi; Domínguez Pumar, Manuel; Castañer Muñoz, Luis María; Quero, J.M.; Tarrida, C. L.; Reina, M. (2010-10-10)
      Article
      Open Access
      This paper describes the design, fabrication, characterization, and satellite integration of a miniaturized two axis sun sensor which has been used in the attitude control system of the Spanish nano-satellite NANOSAT-1B. ...
    • A novel dual-parameter proximity and touch sensor using SiO2 nanoparticles and NaCl with commercial acrylic-based encapsulation 

      Cedeño Mata, Kristel Michelle; Coloma Velez, Ana Gabriela; Bragós Bardia, Ramon; Domínguez Pumar, Manuel; Bermejo Broto, Sandra (Elsevier, 2024-06)
      Article
      Open Access
      This study shows the development and analysis of a novel capacity proximity sensor (CPS) based on a sensing layer made up of a mixture of silicon dioxide nanoparticles (SiO2) and sodium chloride (NaCl), and an encapsulation ...
    • A novel Σ-Δ pulsed digital oscillator (PDO) for MEMS 

      Domínguez Pumar, Manuel; Pons Nin, Joan; Ricart Campos, Jordi; Bermejo Pelayo, Agustin; Figueras Costa, Eduardo (IEEE, 2005-12)
      Article
      Open Access
      A novel digital oscillator topology for microelectromechanical systems (MEMS) based on bandpass sigma–delta modulation is presented. Short pulses of force of the same amplitude maintain the oscillation and the associated ...
    • A Second-order delta-sigma control of dielectric charge for contactless capacitive MEMS 

      Gorreta Mariné, Sergio; Pons Nin, Joan; Blokhina, Elena; Domínguez Pumar, Manuel (2015-04-01)
      Article
      Open Access
      This letter introduces a new second-order delta-sigma method for controlling the dielectric charge in contactless capacitive microelectromechanical systems. This method improves the one previously proposed by the authors, ...
    • A self-calibrating closed loop circuit for configurable constant voltage thermal anemometers 

      Gorreta Mariné, Sergio; Barajas Ojeda, Enrique; Kowalski, Lukasz; Atienza García, María Teresa; Domínguez Pumar, Manuel; Jiménez Serres, Vicente (Institution of Electrical Engineers, 2015-09-17)
      Article
      Open Access
    • Accelerating hydrogen sensing with Pd-Mos capacitors using active controls of trapped charge 

      Solà Peñafiel, Nil; López Rodríguez, Gema; Sindreu Cladera, Pau; Navarrete Gatell, Eric; Llobet, Eduard; Ramos Castro, Juan José; Martín García, Isidro; Manyosa i Vilardell, Xavier; Bermejo Broto, Sandra; Domínguez Pumar, Manuel (Elsevier, 2024-11)
      Article
      Open Access
      Hydrogen monitoring with reliable, fast and cheap sensors is crucial to fully exploit the potential of this gas as an energy vector. One of the most appealing technologies for hydrogen sensing is based on MOS capacitors ...
    • Acceleration and drift reduction of MOX gas sensors using active sigma-delta controls based on dielectric excitation 

      Solà Peñafiel, Nil; Manyosa i Vilardell, Xavier; Navarrete Gatell, Eric; Ramos Castro, Juan José; Jiménez Serres, Vicente; Bermejo Broto, Sandra; García, Isabel; Llobet Valero, Eduard; Domínguez Pumar, Manuel (2022-08-15)
      Article
      Open Access
      The objective of this paper is to apply a closed-loop control based on dielectric excitation to MOX gas sensors in order to improve their response time. The control implements a feedback loop in which temperature modulations ...
    • Acceleration of the measurement time of thermopiles using sigma-delta control 

      Domínguez Pumar, Manuel; perez, eduard; Ramon, Marina; Jiménez Serres, Vicente; Bermejo Broto, Sandra; Pons Nin, Joan (Multidisciplinary Digital Publishing Institute (MDPI), 2019-07-18)
      Article
      Open Access
      This work presents a double sliding mode control designed for accelerating the measurement of heat fluxes using thermopiles. The slow transient response generated in the thermopile, when it is placed in contact with the ...
    • Activation of different MEMS resonant modes with pulsed digital oscillators 

      Domínguez Pumar, Manuel; Blokhina, Elena; Pons Nin, Joan; Feely, Orla; Sanchez Rojas, Jose Luis (Springer Verlag, 2010)
      Conference report
      Open Access
      The objective of this work is to show that is possible to excite different vibration modes of MEMS resonators using Pulsed Digital Oscillators. This class of circuits exhibit two different behaviours: the oscillation and ...
    • Active control of the surface potential of nanostructured layers 

      Domínguez Pumar, Manuel; Kowalski, Lukasz; Llobet, E.; Calavia, Raül (2016-01-21)
      Article
      Open Access
      The objective of this letter is to show the first results obtained with a control designed to keep the average surface potential of a nanostructured layerconstant. This condition is equivalent to keeping constant the ...
    • Adaptación de una asignatura de electronica digital a la semipresencialidad y al Espacio Europeo de Educación Superior 

      Bermejo Broto, Sandra; Chávez Domínguez, Juan Antonio; Domínguez Pumar, Manuel; Pons Nin, Joan (2010)
      Conference report
      Open Access
      Este trabajo describe y analiza la evolución del formato semipresencial de la asignatura Sistemas Digitales 1, inicialmente impartida dentro de una titulación de segundo ciclo y actualmente adaptada al EEES e impartida ...
    • An IBC solar cell for the UPC CubeSat-1 mission 

      Ortega Villasclaras, Pablo Rafael; Jové Casulleras, Roger; Pedret, A; Gonzalvez, G.; López Rodríguez, Gema; Martín García, Isidro; Domínguez Pumar, Manuel; Alcubilla González, Ramón; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      In this work the fabrication and electrical characterization of interdigitated back contact IBC solar cells is shown. These solar cells have been specifically designed for a CubeSat based satellite under developement at ...
    • Analysis and impedance modeling of silica and polystyrene nanoparticles in EMIM structures for humidity sensing applications 

      Véliz Noboa, Bremnen Marino; Orpella García, Alberto; Domínguez Pumar, Manuel; Bermejo Broto, Sandra (2024-08-31)
      Article
      Open Access
      This work shows the fabrication technology details and a proposed impedance spectroscopy modeling of Electrosprayed-nanoparticles Metal Insulator Metal (EMIM) structures, and their potential as humidity sensors. The impedance ...
    • Analysis and synthesis of textures through the inference of Boolean functions 

      Domínguez Pumar, Manuel; Torres Urgell, Lluís (1997-05)
      Article
      Restricted access - publisher's policy
      This work deals with Boolean functions of non-linear and linear basis. The Boolean random functions of non-linear basis were proposed by Serra (1988,1989). These functions are generated through a Poisson point process upon ...
    • Analysis of the dynamics of an active control of the surface potential in metal oxide gas sensors 

      Monge Villora, Oscar; Domínguez Pumar, Manuel; Olm Miras, Josep Maria (Pergamon Press, 2018-05-08)
      Article
      Open Access
    • Analyzing the performance of a miniature 3D wind sensor for Mars 

      Domínguez Pumar, Manuel; Kowalski, Lukasz; Jiménez Serres, Vicente; Rodríguez Pérez, Ivette María; Soria Guerrero, Manel; Bermejo Broto, Sandra; Pons Nin, Joan (Multidisciplinary Digital Publishing Institute (MDPI), 2020-10-20)
      Article
      Open Access
      This paper analyzes the behavior of a miniature 3D wind sensor designed for Mars atmosphere. The sensor is a spherical structure of 10 mm diameter divided in four sectors. By setting all the sectors to constant temperature, ...