Now showing items 1-20 of 88

    • 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 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
    • 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 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, ...
    • Applications of hot film anemometry to space missions 

      Jiménez Serres, Vicente; Domínguez Pumar, Manuel; Ricart Campos, Jordi; Kowalski, Lukasz; Navarro, Sara; torres, josefina; Castañer Muñoz, Luis María (VDE Conference Publications, 2008)
      Conference report
      Restricted access - publisher's policy
      In this paper the most important constraints of the wind sensors for the Martian atmosphere are described, along with an overview of the past successful designs. Practically all the data available today about the Martian ...
    • Characterization method of the dynamics of the trapped charge in contactless capacitive MEMS 

      Gorreta Mariné, Sergio; Pons Nin, Joan; Domínguez Pumar, Manuel; Blokhina, Elena; Feely, Orla (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Restricted access - publisher's policy
      Dielectric charging of insulating films in microelectromechanical systems (MEMS) has a crucial effect on the operation of those devices. A new method is presented in order to characterize the dynamics of the charge trapped ...
    • Characterization of dielectric charging in MEMS using Diffusive Representation 

      Atienza García, María Teresa; Gorreta Mariné, Sergio; Pons Nin, Joan; Domínguez Pumar, Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2016-09-22)
      Article
      Open Access
    • Charge induced by ionizing radiation understood as a disturbance in a sliding mode control of dielectric charge 

      Domínguez Pumar, Manuel; Gorreta Mariné, Sergio; Pons Nin, Joan; Gomez Rodriguez, Faustino; Gonzalez Castaño, Diego (2015-07-03)
      Article
      Open Access
      The purpose of this paper is to show that the charge induced by radiation in a dielectric on which a sigma–delta control of dielectric charge is implemented, can be seen as a disturbance in a sliding mode controller. ...