Now showing items 21-40 of 44

    • Examen Final 

      Domínguez Pumar, Manuel; Jiménez Serres, Vicente (Universitat Politècnica de Catalunya, 2021-01-08)
      Exam
      Restricted access to the UPC academic community
    • Examen Final 

      Jiménez Serres, Vicente; Domínguez Pumar, Manuel (Universitat Politècnica de Catalunya, 2019-01-11)
      Exam
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    • Examen final 

      Jiménez Serres, Vicente (Universitat Politècnica de Catalunya, 2017-01-12)
      Exam
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    • Exploring the performance of a miniature 3D wind sensor under extreme martian winds up to the dust devil scale 

      Domínguez Pumar, Manuel; Kowalski, Lukasz; Jiménez Serres, Vicente; Rodríguez Pérez, Ivette María; Soria Guerrero, Manel (2019)
      Conference report
      Open Access
      The objective of this paper is to explore the performance of a miniature 3D spherical wind sensor for Mars atmosphere, working under extreme wind speeds, up to the Dust Devil scale. The experimental campaign has been made ...
    • Fundamentos de diseño microelectrónico 

      Castañer Muñoz, Luis María; Jiménez Serres, Vicente; Bardés Llorensí, Daniel (Edicions UPC, 2002)
      Book
      Restricted access to UB, UAB, UPC, UPF, UdG, UdL, URV, UOC, BC, UVic, UJI, URL, UIC users
      El presente texto aporta el material necesario para un curso introductorio de diseño microelectrónico. Este libro está concebido como una herramienta de autoaprendizaje y, por ello, en cada capítulo se proponen numerosos ...
    • Heat flow dynamics in thermal systems described by diffusive representation 

      Domínguez Pumar, Manuel; Atienza García, María Teresa; Kowalski, Lukasz; Novio Vázquez, Santiago; Gorreta Mariné, Sergio; Jiménez Serres, Vicente; Silvestre Bergés, Santiago (Institute of Electrical and Electronics Engineers (IEEE), 2016-09-01)
      Article
      Open Access
      The objective of this paper is to analyze the dynamics of heat flow in thermal structures working under constant temperature operation. This analysis is made using the tools of sliding mode controllers. The theory is ...
    • Low pressure spherical thermal anemometer for space missions 

      Kowalski, Lukasz; Jiménez Serres, Vicente; Domínguez Pumar, Manuel; Gorreta Mariné, Sergio; Silvestre Bergés, Santiago; Castañer Muñoz, Luis María (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      The novelty of this 2D thermal anemometer is the spherical compact and robust design with improved sensitivity in the range of 600-900Pa of carbon dioxide pressure and 0.25 to 10 m/s wind speed. The small size (11.2mm ...
    • Low-cost thermal s-d air flow sensor 

      Domínguez Pumar, Manuel; Masana Nadal, Francisco; Jiménez Serres, Vicente; Bermejo Broto, Sandra; Amírola Sanz, Jorge; Ballester, Javier; Fueyo, Norberto; Castañer Muñoz, Luis María (2002-10)
      Article
      Open Access
      This paper describes the design and optimization of a hot-wire air flowmeter. A low-cost design of the packaging allows good thermal contact with the airflow, as well as good thermal isolation between the hot and cold ...
    • 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, Susan F.; 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 ...
    • Model identification of time-varying diffusive systems 

      Atienza García, María Teresa; Kowalski, Lukasz; Gorreta Mariné, Sergio; Pons Nin, Joan; Jiménez Serres, Vicente; Domínguez Pumar, Manuel (2018)
      Conference report
      Restricted access - publisher's policy
      This paper presents a characterization method based on diffusive representation for a class of linear or nonlinear time-varying diffusive systems. The system variation with time may come as a result of the own actuation ...
    • Multiphysics simulation of REMS hot-film anemometer under typical martian atmosphere conditions 

      Kowalski, Lukasz; Castañer Muñoz, Luis María; Domínguez Pumar, Manuel; Jiménez Serres, Vicente (COMSOL, 2010)
      Conference report
      Open Access
      The purpose of this paper is to describe numerical electro-thermal simulations of the REMS wind sensor unit [3] and the results obtained by using COMSOL multiphysics. This device is a hot-film anemometer for 2D wind ...
    • Open loop testing for optimizing the closed loop operation of chemical systems 

      Domínguez Pumar, Manuel; Olm Miras, Josep Maria; Kowalski, Lukasz; Jiménez Serres, Vicente (Pergamon Press, 2020-04-06)
      Article
      Open Access
      One way to optimize the operation of chemical systems consists on using closed loop controls while the system is operated. This way, it is possible to optimize the operating point in the plant, process or chemical system ...
    • Projecte de millora: espai autogestionat i d’accés lliure per a la realització de projectes per a la millora del compromís, la motivació i la implicació de l’estudiantat de l’ETSETB 

      Bragós Bardia, Ramon; Jiménez Serres, Vicente (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2022-05)
      Article
      Open Access
      L’objectiu principal d’aquest projecte era millorar el compromís, la motivació i la implicació (l’engagement) de l’estudiantat mitjançant la realització d’activitats creatives i complementàries amb les de les assignatures. ...
    • Pulsed digital oscillators for electrostatic MEMS 

      Gorreta Mariné, Sergio; Ruiz Fernández, Daniel; Blokhina, Elena; Pons Nin, Joan; Jiménez Serres, Vicente; O'Connell, D.; Feely, Orla; Madrenas Boadas, Jordi; Domínguez Pumar, Manuel (2012)
      Article
      Restricted access - publisher's policy
      This paper introduces a new actuation scheme for implementing Pulsed Digital Oscillators (PDOs) for electrostatic MEMS resonators. In this scheme, the capacitance of the device is biased with a voltage and it is periodically ...
    • 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
      Restricted access - publisher's policy
      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 ...
    • 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
      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 ...
    • 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
      Open Access
      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 ...
    • 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. ...
    • 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
      Open Access
      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 ...
    • 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)
      Conference report
      Open Access