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Browsing by Author "Manyosa i Vilardell, Xavier"Més informacióMés informació

Now showing items 1-9 of 9

    • 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 ...

    • Control electronics for Chemical sensors 

      Manyosa i Vilardell, Xavier (Universitat Politècnica de Catalunya, 2021-01)
      Bachelor thesis
      Open Access
      The objective of this thesis is to develop an electronic implementation of a surface potential control for gas metal oxides (MOX) sensors. To go after the objective of this project, a PCB has been designed and fabricated ...

    • Dynamics of constant temperature anemometers for the Martian Atmosphere 

      Domínguez Pumar, Manuel; Torre Juárez, Manuel de la; Navarro Lopez, Sara; Martín Martínez, Mercedes; Gómez Elvira, Javier; Rosero Pozo, Carlos Alberto; Manyosa i Vilardell, Xavier; Bermejo Broto, Sandra; Rodríguez Manfredi, José Antonio (Elsevier, 2025-01-15)
      Article
      Open Access
      The objective of this paper is to understand the limits on the response time generated by the thermal dynamics of the Martian wind sensor of the MEDA instrument, working under Constant Temperature Operation (CTO). This ...

    • Electrochemical impedance spectroscopy analysis of a SiO2 submicron-particles-based relative humidity sensor for planetary research applications 

      Cedeño Mata, Kristel Michelle; Palomas Jiménez, Abel; Manyosa i Vilardell, Xavier; Coloma Velez, Ana Gabriela; Domínguez Pumar, Manuel; Bermejo Broto, Sandra (2024)
      Conference lecture
      Open Access
      This work presents the development and analysis of a SiO2 composite ionic liquid gel polymer electrolyte (SiO2-CILGPE)-based capacitor in air and carbon dioxide (CO2) atmospheres. The effectiveness of the proposed layer ...

    • Initial impedance study of a SiO2 submicron-particles-based relative humidity sensor under CO2 conditions for planetary applications 

      Cedeño Mata, Kristel Michelle; Palomas Jiménez, Abel; Manyosa i Vilardell, Xavier; Coloma Velez, Ana Gabriela; Domínguez Pumar, Manuel; Bermejo Broto, Sandra (2024)
      Conference lecture
      Open Access
      This work presents the development and analysis of a SiO2 composite ionic liquid gel polymer electrolyte (SiO2-CILGPE)-based capacitor in air and carbon dioxide (CO2) atmospheres. The effectiveness of the proposed layer ...

    • Low noise magnetometer for space exploration 

      Manyosa i Vilardell, Xavier (Universitat Politècnica de Catalunya, 2023-01-26)
      Master thesis
      Open Access
      The objective of this work is to develop a magnetic sensor, for space applications. Using magnetic field modulation with a MEMS resonator, it is possible to reduce the noise floor of a commercial Tunnelling Magnetic Resistor ...

    • MEMS miniaturized low-noise magnetic field sensor for the observation of sub-millihertz magnetic fluctuations in space exploration 

      Manyosa i Vilardell, Xavier; Roma Dollase, David; Arqué, M.; Bonastre Majoral, Biel; Jiménez Serres, Vicente; Ramos Castro, Juan José; Pons Nin, Joan; Martín Hernández, Víctor; Salvans Tort, Josep; Gómez Fernández, Sergio; Domínguez Pumar, Manuel (Elsevier, 2024-05-15)
      Article
      Open Access
      The objective of this paper is to show that, using magnetic field modulation with a MEMS resonator, it is possible to reduce the noise floor of a commercial Tunneling Magnetic Resistance by one order of magnitude, in the ...

    • 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
      Open Access
      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. ...