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Ara es mostren els items 1-20 de 69

  • 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)
    Comunicació de congrés
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  • 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
    Accés obert
    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 ...

  • 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)
    Text en actes de congrés
    Accés obert
    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
    Accés obert
    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 ...

  • 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
    Accés obert
    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. ...

  • 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)
    Text en actes de congrés
    Accés obert
    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 ...

  • 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
    Accés obert
    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. ...

  • Analysis and synthesis of textures through the inference of Boolean functions 

    Domínguez Pumar, Manuel; Torres Urgell, Lluís (1997-05)
    Article
    Accés restringit per política de l'editorial
    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
    Accés obert

  • 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)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    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 ...

  • 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
    Accés obert
    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 ...

  • 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)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    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 ...

  • 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
    Accés obert
    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)
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    Accés obert

  • 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)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    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)
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  • 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
    Accés obert
    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. ...

  • Charge trapping control in MOS capacitors 

    Domínguez Pumar, Manuel; Bheesayagari, Chenna Reddy; Gorreta Mariné, Sergio; López Rodríguez, Gema; Martín García, Isidro; Blokhina, Elena; Pons Nin, Joan (Institute of Electrical and Electronics Engineers (IEEE), 2016-12-26)
    Article
    Accés obert
    This paper presents an active control of C-V characteristic for MOS capacitors based on Sliding Mode control and sigma-delta-modulation. The capacitance of the device at a certain voltage is measured periodically and ...

  • Circuit modeling of a MEMS varactor including dielectric charging dynamics 

    Giounanlis, Panagiotis; Andrade Miceli, Dennis; Gorreta Mariné, Sergio; Pons Nin, Joan; Domínguez Pumar, Manuel; Blokhina, Elena (Institute of Physics (IOP), 2016-06-01)
    Article
    Accés obert
    Electrical models for MEMS varactors including the effect of dielectric charging dynamics are not available in commercial circuit simulators. In this paper a circuit model using lumped ideal elements available in the Cadence ...

  • Closed-loop compensation of charge trapping induced by ionizing radiation in MOS capacitors 

    Domínguez Pumar, Manuel; Bheesayagari, Chenna Reddy; Gorreta Mariné, Sergio; Lopez Chavez, G.; Pons Nin, Joan (Institute of Electrical and Electronics Engineers (IEEE), 2017-08-31)
    Article
    Accés obert
    The objective of this work is to explore the capability of a charge trapping control loop to continuously compensate charge induced by ionizing radiation in the dielectric of MOS capacitors. To this effect, two devices ...