Now showing items 21-40 of 174

    • Desenvolupament d'un sistema basat en microcontrolador PIC per la supervisió preventiva i correctiva de trams de vies. 

      Porta Domínguez, Oscar (Universitat Politècnica de Catalunya, 2008-07-29)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Transports Metropolitans de Barcelona
      La circulació dels trens a les línies de Metro de Barcelona es automàtica, podent funcionar sense necessitat de que els conductors hagin de prendre decisions durant la circulació del tren. Perquè això sigui possible han ...
    • Design and Characterization of Reliable RF-MEMS 

      Torres Matabosch, Nuria (Universitat Politècnica de Catalunya, 2009-07-07)
      Master thesis (pre-Bologna period)
      Open Access
      This thesis present a SPDT (Single Pole Double Throw) in Ku-Band designed for space applications. It was developed in LAAS-CNRS (Laboratoire d’Analyse et d’Architecture des Systèmes) from February 2009 to July 2009 in ...
    • Design and fabrication of a Planar Diffusion Chamber for bio-chemical applications 

      Pérez Laka, Iván (Universitat Politècnica de Catalunya, 2011-07-13)
      Master thesis (pre-Bologna period)
      Open Access
      English: Diffusion processes of molecules pretend to be the most important tool of communication between nanometric devices, thereby theoretical and practical studies of these processes became essential in the development ...
    • Design of a broadband CMOS RF power amplifier to establish device-circuit aging correlations 

      Barajas Ojeda, Enrique; Mateo Peña, Diego; Aragonès Cervera, Xavier; Crespo Yepes, Albert; Rodríguez Martínez, Rosana; Martin Martínez, Javier; Nafría Maqueda, Montserrat (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Conference report
      Restricted access - publisher's policy
      This paper presents the design of a Broadband CMOS RF Power Amplifier, suitable to be stressed at circuit level but with the possibility to be measured both at circuit and at device level. It allows establishing a relation ...
    • Design, fabrication and characterization of Bulk Acoustic Wave Resonators 

      Calleja Luque, Mònica (Universitat Politècnica de Catalunya, 2020-06)
      Bachelor thesis
      Open Access
      Covenantee:   University of Colorado Colorado Springs
      The constant demand for higher speed and larger bandwidths together with the massive development of personal communications systems, navigation, satellite communications as well as personal computer and data processing ...
    • Development of confocal-based techniques for shape measurements on structured surfaces containing dissimilar materials 

      Cadevall Artigues, Cristina; Artigas Pursals, Roger; Laguarta Bertran, Ferran (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2003)
      Conference report
      Restricted access - publisher's policy
      One of the applications, which is considered to be very difficult to carry out with most optical imaging profilers, is the shape and texture measurements of structured surfaces obtained from the superposition of various ...
    • Development of the readout software for flexible, high-density neural probes 

      Sadurní Wider, Arnau (Universitat Politècnica de Catalunya, 2018-06)
      Bachelor thesis
      Restricted access - confidentiality agreement
      This project has been developed in Neuro-Electronic Research Flandes (NERF), with the main purpose of developing a readout software based on the open-source project Open Ephys, consisting in commercial silicon chips for ...
    • Development of thin films deposited by ALD for c-Si solar cells 

      Pérez Guardia, Javier (Universitat Politècnica de Catalunya, 2017-01)
      Bachelor thesis
      Open Access
      In this work, we have developed thin layers deposited by Atomic Layer Deposition (ALD) technique to be applied in high-efficiency crystalline silicon solar cells. In particular, we selected to study the aluminium oxide ...
    • Development of Vapor Deposition Processes for OLEDs 

      Lungu, Alexandru-Andrei (Universitat Politècnica de Catalunya, 2014-09-28)
      Bachelor thesis
      Open Access
      Covenantee:   Universität Stuttgart
      This bachelor thesis describes the development of vapour deposition processes for the creation of a warm white OLED. An OLED is a layer or a stack of organic materials situated between two electrodes, which emits light ...
    • Dielectric charge control in electrostatic MEMS positioners/varactors 

      Blokhina, Elena; Gorreta Mariné, Sergio; Lopez, David; Molinero Giles, David; Feely, Orla; Pons Nin, Joan; Domínguez Pumar, Manuel (2012-06)
      Article
      Restricted access - publisher's policy
      A new dynamical closed-loop method is proposed to control dielectric charging in capacitive microelectromechanical systems (MEMS) positioners/varactors for enhanced reliability and robustness. Instead of adjusting the ...
    • Diffusion-based physical channel identification in molecular nanonetworks 

      Garralda, N.; Llatser Martí, Ignacio; Cabellos Aparicio, Alberto; Alarcón Cot, Eduardo José; Pierobon, Massimiliano (2011-12)
      Article
      Restricted access - publisher's policy
      Nanonetworking is an emerging field of research at the intersection of nanotechnology and communication networks. Molecular Communication (MC) is a bio-inspired paradigm, where nanonetworks, i.e., the interconnection of ...
    • Discrete-time modelling of Sigma-Delta Inspired Systems for MEMS 

      Blokhina, Elena; Giounanlis, Panagiotis; Domínguez Pumar, Manuel; Gorreta Mariné, Sergio; Pons Nin, Joan; Feely, Orla (Springer, 2015)
      Part of book or chapter of book
      Restricted access - publisher's policy
    • Diseño de la línea de montaje y realización de un plan de producción del sembrador automático Autoplak de NTE-SENER 

      Sánchez Izquierdo, Pol (Universitat Politècnica de Catalunya, 2015-11)
      Master thesis (pre-Bologna period)
      Open Access
      La empresa de ingeniería NTE-SENER ha desarrollado un dispositivo llamado Autoplak que automatiza el proceso de sembrado de muestras de laboratorio en placas Petri con el fin de que se desarrolle un cultivo microbiano ...
    • Diseño y realización de un pulsímetro inalámbrico mediante módulo Wifi 

      Camiña García, Óscar (Universitat Politècnica de Catalunya, 2017-05-30)
      Bachelor thesis
      Restricted access - confidentiality agreement
    • Disseny d'un convertidor Temps a Digital per a sensor d'imatge CMOS 

      Palmero Arans, Vicenç (Universitat Politècnica de Catalunya, 2022-07-08)
      Bachelor thesis
      Restricted access - confidentiality agreement
      Covenantee:   Imasenic Advanced Imaging
      Nowadays the importance of image sensing for the optimization of industry processes, medicine, security, etc is unquestionable. This sensing is mostly implemented by an array of pixels that acquire information from the ...
    • Disseny i contrucció d'un circuit per detectar moviments d'objectes de color 

      Martí López, Judit (Universitat Politècnica de Catalunya, 2017-06-15)
      Bachelor thesis
      Open Access
      En aquest projecte s’ha dissenyat i construït un sistema electrònic basat en un microcontrolador PIC que, a partir d’un sensor detector de color i proximitat, identifica els components RGB del color de l’objecte acostat. Les ...
    • Disseny i implementació d'un "embedded system" basat en PSOC de Cypress: taulell visualitzador de bàsquet 

      Pinedo Lopez, Roberto (Universitat Politècnica de Catalunya, 2010-02-02)
      Bachelor thesis
      Open Access
    • Effect of amorphous silicon carbide layer thickness on the passivation quality of crystalline silicon surface 

      Ferré Tomas, Rafel; Martín García, Isidro; Vetter, Michael; Garin Escriva, Moises; Alcubilla González, Ramón (American Institute of Physics, 2005-11-09)
      Article
      Restricted access - publisher's policy
      Surface passivation of p-type crystalline silicon wafers by means of phosphorus-doped hydrogenated amorphous silicon carbide films [a-SiCx(n):H] has been investigated. Particularly, we focused on the effects of layer ...
    • Electro-thermal coupling analysis methodology for RF circuits 

      Gómez Salinas, Didac; Dufis, Cédric Yvan; Altet Sanahujes, Josep; Mateo Peña, Diego; González Jiménez, José Luis (2012-09)
      Article
      Restricted access - publisher's policy
      In this paper an electro-thermal co-simulation methodology suitable for RF circuits is presented. It circumvents traditional transient simulation drawbacks that arise when signals or magnitudes whose frequencies are separated ...
    • Electronic reading of a mechanical gas meter based on dual magnetic sensing 

      Ripoll Vercellone, Edgar; Gasulla Forner, Manuel; Reverter Cubarsí, Ferran (2021-06-08)
      Article
      Open Access
      This article proposes a measurement system controlled by a microcontroller unit (MCU) for the electronic reading of a mechanical gas meter. The measurement relies on dual magnetic sensing: (a) low-cost low-power primary ...