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Ara es mostren els items 85-104 de 110

    • Real-time characterization of dielectric charging in contactless capacitive MEMS 

      Domínguez Pumar, Manuel; Gorreta Mariné, Sergio; Pons Nin, Joan; Blokhina, Elena; Giounanlis, Panonios; Feely, Orla (2015-03-01)
      Article
      Accés obert
      This paper presents a new method to characterize the dynamics of the charge trapped in the dielectric layer of contactless microelectromechanical systems. For sampled-time systems, this allows knowing the state of the net ...

    • Remote supervision and fault detection on OPC monitored PV systems 

      Silvestre Bergés, Santiago; Mora-López, Llanos; Kichou, Sofiane; Sanchez Pacheco, Francisco; Domínguez Pumar, Manuel (2016-09-01)
      Article
      Accés obert
      This paper presents a new approach for automatic supervision and remote fault detection of grid connected photovoltaic (PV) systems by means of OPC technology-based monitoring. The use of standard OPC for monitoring enables ...

    • REMS: the environmental sensor suite for the Mars Science Laboratory rover 

      Gómez Elvira, J.; Armiens, C.; Castañer Muñoz, Luis María; Domínguez Pumar, Manuel; Genzer, M.; Gómez, Francisco; Haberle, Robert M.; Harris, Aiden M.; Jiménez Serres, Vicente; Kahanpää, H.; Kowalski, Lukasz; Lepinette, A.; Martín, Jacques Wesley; Martínez Frías, Jesús; McEwan, I.; Mora, L.; Moreno, Jose C.; Navarro, S.; De Pablo, M.A.; Peinado, V.; Peña, A.; Polkko, J.; Ramos, Miguel; Renno, Nilton O.; Ricart, Jordi; Richardson, M.; Rodríguez Manfredi, José Antonio; Romeral, Julio; Sebastián, Eduardo M.; Serrano, Jaime; De La Torre Juárez, Manuel; Torres, Jose Antonio; Torrero, F.; Urquí, R.; Vázquez, L.; Velasco, T.; Verdasca, J.; Zorzano, M.P.; Martín Torres, Javier (2012-09)
      Article
      Accés restringit per política de l'editorial
      The Rover Environmental Monitoring Station (REMS) will investigate environ- mental factors directly tied to current habitability at the Martian surface during the Mars Sci- ence Laboratory (MSL) mission. Three major ...

    • Second order sigma-delta control of charge trapping for MOS capacitors 

      Bheesayagari, Chenna Reddy; Gorreta Mariné, Sergio; Pons Nin, Joan; Domínguez Pumar, Manuel (2017-09-01)
      Article
      Accés obert
      This paper presents the circuit topology of a second order sigma-delta control of charge trapping for MOS capacitors. With this new topology it is possible to avoid the presence of plateaus that can be found in first-order ...

    • 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
      Accés obert
      A new circuit is described which applies a configurable voltage across an RTD while the current flowing through it is measured with a current mirror. The circuit also allows working with voltages above the IC supply voltage ...

    • Sigma-delta effects and charge locking in capacitive MEMS under dielectric charge control 

      Giounanlis, Panagiotis; Gorreta Mariné, Sergio; Domínguez Pumar, Manuel; Pons Nin, Joan; Feely, Orla; Blokhina, Elena (2016-05)
      Article
      Accés obert
      This work investigates, analytically and experimentally, the effects induced by the use of a first-order sigma-delta (S¿) feedback loop as a control method of dielectric charging for capacitive microelectromechanical systems ...

    • Simultaneous control of dielectric charge and device capacitance in electrostatic MEMS 

      Gorreta Mariné, Sergio; Pons Nin, Joan; Domínguez Pumar, Manuel (2015-12)
      Article
      Accés obert
      This letter presents a double closed loop for simultaneously controlling the net dielectric charge and the device capacitance in contactless electrostatic MEMS devices. The first loop controls the net charge trapped in ...

    • Single-crystalline metal oxide, resistive gas sensors advances and perspectives 

      Llobet Valero, Eduard; Navarrete, eric; Annanouch, F.E.; Alvarado, M.; Gonzalez, E.; Ramirez, J.L.; Romero, A.; Vilanova, Xavier; Domínguez Pumar, Manuel; Vallejos, S.; Gracia, Isabel (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Here we review recent results on the synthesis of single-crystalline metal oxide nanomaterials and their integration in resistive gas sensing devices. Emphasis is put on the integration of such nanomaterials in a wide ...

    • Sliding mode analysis applied to improve the dynamical response of a spherical 3D wind sensor for Mars atmosphere 

      Atienza García, María Teresa; Kowalski, Lukasz; Gorreta Mariné, Sergio; Jiménez Serres, Vicente; Castañer Muñoz, Luis María; Domínguez Pumar, Manuel (2017-11-01)
      Article
      Accés obert
      The objective of this paper is to show how the structure of a thermal wind anemometer can be tuned to ensure a fast response when the sensor works in closed loop configuration (constant temperature operation). If the thermal ...

    • Sliding mode control of heterogeneous systems 

      Domínguez Pumar, Manuel; Gorreta Mariné, Sergio; Atienza García, María Teresa; Blokhina, Elena; Pons Nin, Joan (2017-06-01)
      Capítol de llibre
      Accés restringit per política de l'editorial
      This paper establishes a link between closed-loop controls for heterogeneous systems and sliding mode controls. We demonstrate that sliding mode analysis matches with experimental results from dielectric charge controllers. ...

    • Sliding-mode analysis of the dynamics of sigma-delta controls of dielectric charging 

      Domínguez Pumar, Manuel; Gorreta Mariné, Sergio; Pons Nin, Joan (Institute of Electrical and Electronics Engineers (IEEE), 2016-03-08)
      Article
      Accés obert
      The purpose of this paper is to show that sigma-delta controllers of dielectric charge can be analyzed using the tools of sliding-mode controllers, in the infinite sampling frequency approximation. This allows to study the ...

    • Smart control of chemical gas sensors for the reduction of their time response 

      Domínguez Pumar, Manuel; Kowalski, Lukasz; Calavia, Raul; Llobet, E. (2016-06-28)
      Article
      Accés obert
      The objective of this paper is to show the first results obtained with a gas sensor made of Au-functionalized WO3 nanoneedles working under a closed-loop control designed to reduce its time response. The average temperature ...

    • Space-charge limited ionic conductivity enhancement in gel polymer electrolyte capacitors by emb e dding nanoparticles 

      Cedeño Mata, Kristel Michelle; Orpella García, Alberto; Domínguez Pumar, Manuel; Bermejo Broto, Sandra (2021-08-03)
      Article
      Accés obert
      In this work, a novel mixture of ionic liquid gel polymer electrolyte (ILGPE), containing 1-butyl-3-methylimidazolium bromide, ammonium acetate and poly(vinyl alcohol), with Si@C and SiO2 embedded nanoparticles is fabricated. ...

    • Spherical probe for the thermophysical characterization of regoliths for planetary exploration using frequency methods 

      Domínguez Pumar, Manuel; Rosero Pozo, Carlos Alberto; Pons Nin, Joan; Ramos Castro, Juan José; Szewczyk, Daria; Jezowski, Andrzej; Solà Peñafiel, Nil; Manyosa i Vilardell, Xavier; Bermejo Broto, Sandra; Jiménez Serres, Vicente (2022-12-01)
      Article
      Accés obert
      The objective of this paper is to analyse the capability of a spherical thermoprobe, recently proposed as a 3D heat flux sensor for regoliths, and additionally to characterize the thermophysical properties of regoliths. ...

    • Spherical wind sensor for the atmosphere of mars 

      Kowalski, Lukasz; Atienza García, María Teresa; Gorreta Mariné, Sergio; Jiménez Serres, Vicente; Domínguez Pumar, Manuel; Silvestre Bergés, Santiago; Castañer Muñoz, Luis María (2016-04-01)
      Article
      Accés obert
      A novel wind speed and direction sensor designed for the atmosphere of Mars is described. It is based on a spherical shell divided into four triangular sectors according to the central projection of tetrahedron onto the ...

    • Stabilization of the J-V characteristic of a perovskite solar cell using an intelligent control loop 

      Bheesayagari, Chenna Reddy; Martínez-Denegrí Sánchez, Guillermo; Orpella García, Alberto; Pons Nin, Joan; Bermejo Broto, Sandra; Alcubilla González, Ramón; Martorell Pena, Jordi; Domínguez Pumar, Manuel (2021-01-02)
      Article
      Accés obert
      The phenomena related to charge trapping are among the most relevant open issues that affect the long-term stability of perovskite-based devices. According to this, the objective of this paper is to report experimental ...

    • Surface modification of polytetrafluoroethylene thin films by non-coherent UV light and water treatment for electrowetting applications 

      López, Cristian Daniel; Cedeño Mata, Kristel Michelle; Domínguez Pumar, Manuel; Bermejo Broto, Sandra (2020-12-01)
      Article
      Accés obert
      The electrowetting on dielectric or EWOD phenomenon is used in a wide range of applications, such as Liquid Lenses, Lab-on-Chip devices, or EWOD displays, among others. Its chemical resistance, electrical stability, ease ...

    • Testing campaign of a martian spherical wind sensor at the AWTSII Wind Tunnel Facility 

      Kowalski, Lukasz; Gorreta Mariné, Sergio; Atienza García, María Teresa; Jiménez Serres, Vicente; Castañer Muñoz, Luis María; Domínguez Pumar, Manuel (2018)
      Text en actes de congrés
      Accés obert

    • The diverse meteorology of Jezero crater over the first 250 sols of Perseverance on Mars 

      Rodríguez Manfredi, José Antonio; De la Torre Juárez, M.; Sanchez Lavega, Agustin; Hueso, Ricardo; Martinez, German; Lemmon, Mark T.; Newman, Claire; Munguira, Asier; Hieta, Maria; Tamppari, Leslie K.; Polkko, J.; Toledo Melgar, Daniel; Sebastián Martínez, Eduardo; Smith, Michael Doyle; Jaakonaho, Iina; Domínguez Pumar, Manuel; Jiménez Serres, Vicente (Springer Nature, 2023-01-09)
      Article
      Accés obert
      NASA’s Perseverance rover’s Mars Environmental Dynamics Analyzer is collecting data at Jezero crater, characterizing the physical processes in the lowest layer of the Martian atmosphere. Here we present measurements from ...

    • The Mars Environmental Dynamics Analyzer, MEDA: a suite of environmental sensors for the Mars 2020 mission 

      Rodríguez Manfredi, José Antonio; De la Torre Juárez, M.; Alonso, A.; Apéstigue Palacio, Víctor; Arruego Rodríguez, Ignacio; Atienza, T.; Banfield, D.; Boland, J.; Carrera, M.A.; Castañer Muñoz, Luis María; Ceballos, J.; Chen-Chen, H.; Domínguez Pumar, Manuel; López Rodríguez, Gema; Jiménez Serres, Vicente (2021-04)
      Article
      Accés obert
      NASA’s Mars 2020 (M2020) rover mission includes a suite of sensors to monitor current environmental conditions near the surface of Mars and to constrain bulk aerosol properties from changes in atmospheric radiation at the ...