Browsing by Author "Casas Piedrafita, Óscar"Més informacióMés informació

Now showing items 1-20 of 59

    • A design method for active high-CMRR fully-differential circuits 

      Hornero Ocaña, Gemma; Casas Piedrafita, Óscar; Spinelli, Enrique Mario; Haberman, Marcelo (InderScience Publishers, 2012)
      Article
      Open Access

    • A Fully Differential Synchronous Demodulator for AC Signals 

      González Landaeta, Rafael; Cota Ruiz, Juan; Sifuentes, Ernesto; Díaz, José; Casas Piedrafita, Óscar (2019-02-22)
      Article
      Restricted access - publisher's policy
      A novel fully differential (FD) demodulator is presented. Using different design strategies, the circuit can be used for processing amplitude-modulated (AM) signals obtained from impedance measurements or coming from ...

    • A hands-on approach to differential circuit measurements 

      Pallàs-Areny, Ramon; Casas Piedrafita, Óscar (Elsevier, 2007-01)
      Article
      Open Access
      Electronic engineering is showing a definite trend towards differential circuits. However, most measurement instruments are single-ended. Consequently, engineering graduates often lack the skills to perform correct ...

    • A novel low-cost smart leaf wetness sensor 

      Hornero Ocaña, Gemma; Gaitán Pitre, Jorge Eliécer; Serrano Finetti, Roberto Ernesto; Casas Piedrafita, Óscar; Pallàs-Areny, Ramon (2017-12-01)
      Article
      Open Access

    • A sounding rocket experiment to control boiling by means of acoustic waves 

      Quintana Buil, Guillem; Garcia Sabaté, Anna; Batlle, Sergi; López, Gabriel; Sierra, Víctor; Casas Piedrafita, Óscar; González Cinca, Ricardo (2018-01-01)
      Article
      Open Access
      One of the most critical issues when considering long-term space exploration missions is the management and storage of cryogenic propellants. The exposure of storage tanks to radiation and extreme temperatures implies the ...

    • A wireless augmentative and alternative communication system for people with speech disabilities 

      Hornero Ocaña, Gemma; Quílez Figuerola, Marcos; Casas Piedrafita, Óscar (Institute of Electrical and Electronics Engineers (IEEE), 2015-08-19)
      Article
      Open Access
      An augmentative and alternative communication (AAC) device for people with speech disabilities is presented. This AAC system exhibits the advantages of two currently used systems: 1) usability of the communication boards ...

    • Acreditació de la qualitat en sis assignatures de l'EPSC 

      Hernández Marco, Jordi; Bará Temes, Francisco Javier; Casas Piedrafita, Óscar; Jordana Barnils, José; Meseguer Pallarès, Roc; Valero García, Miguel (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2005-07)
      Conference report
      Open Access
      El projecte “Acreditació de la qualitat en 6 assignatures de l’EPSC” s’ha dut a terme durant els anys 2003 i 2004, han participat sis professors de l’EPSC (Escola Politècnica Superior de Castelldefels de la Universitat ...

    • Applied instrumentation : student works 

      Pradell Cara, Trinitat; García García, José Eduardo; Casas Piedrafita, Óscar (Universitat Politècnica de Catalunya, 2021)
      Coursework
      Open Access
      Conté els treballs dels estudiants de l'assignatura: Técnicas de diagnóstico por imagen médica activa: PET-TAC / P. Gómez, M. Hérault, X. Povill, R. Pujadas, D. Quiles -- Ultrasons 3D per a la visualització no invasiva del ...

    • Applied Instrumentation : student works 

      Pradell Cara, Trinitat; Casas Piedrafita, Óscar (Universitat Politècnica de Catalunya, 2017)
      Coursework
      Open Access

    • Applied Instrumentation Student works. 

      García García, José Eduardo; Pradell Cara, Trinitat; Casas Piedrafita, Óscar (Universitat Politècnica de Catalunya, 2016)
      Coursework
      Open Access

    • Assessment of emotional states through physiological signals and Its application in music therapy for disabled people 

      Valenzuela Ramírez, Andrea; Hornero Ocaña, Gemma; Royo, Daniel; Aguilar, Angel; Casas Piedrafita, Óscar (Institute of Electrical and Electronics Engineers (IEEE), 2020-07-09)
      Article
      Open Access
      Disabled people have more difficulties for expression and interaction on a non-verbal level because of the physical, sensory or communication difficulties that they usually present. Regarding music therapy, the existing ...

    • Basic design of the signal chain in sensor-based measurement systems 

      Pallàs-Areny, Ramon; Casas Piedrafita, Óscar (2022-04-19)
      Research report
      Open Access
      Sensor signals do not suit direct electronic communication and need further processing before being digitized. Therefore, the requirements of the digitizer add to those needed to fulfill the basic specifications for the ...

    • Calibration-less direct capacitor-to-microcontroller interface 

      López Lapeña, Oscar; Serrano Finetti, Roberto Ernesto; Casas Piedrafita, Óscar (Institution of Electrical Engineers, 2016-02-18)
      Article
      Open Access
      A new technique to measure a capacitor or a capacitive sensor by means of a direct sensor-to-microcontroller interface circuit that does not need a calibration capacitor is proposed. Basically, the measurement process ...

    • Can Tusell, una casa adaptada para personas con diferentes discapacidades en terrassa 

      Bestraten Castells, Sandra Cinta; Hormias Laperal, Emilio; Guasch Murillo, Daniel; Àlvarez Suau, Maria Hortènsia; Casas Piedrafita, Óscar (2014)
      Conference report
      Open Access

    • Can Tusell, una casa adaptada para personas con diferentes discapacidades en Terrassa: enfoque arquitectónico, tecnológico y social 

      Bestraten Castells, Sandra Cinta; Hormias Laperal, Emilio; Guasch Murillo, Daniel; Alvarez, Maria Hortència; Casas Piedrafita, Óscar (Máster Laboratorio de la Vivienda Sostenible del Siglo XXI, 2014-02)
      Conference report
      Open Access

    • Clúster Agro@limentari: Exposició de treballs 

      Pujolà Cunill, Montserrat; Sorribas Royo, Francisco Javier; Sánchez Soto, Miguel; Chiumenti, Michele; Casas Piedrafita, Óscar; Olivella, Jorge (DEAB / EETAC / Factoria BCBL, 2011-05-19)
      Audiovisual
      Open Access

    • Common mode electronic noise in differential circuits 

      Serrano Finetti, Roberto Ernesto; Casas Piedrafita, Óscar; Pallàs-Areny, Ramon (2019-07-01)
      Article
      Open Access
      Differential circuits are assumed to reject common-mode noise yet no parameter is available to describethat rejection as the Common Mode Rejection Ratio (CMRR) applies only to deterministic signals, not torandom noise. We ...

    • Common mode response effects in differential measurements 

      Hornero Ocaña, Gemma; Casas Piedrafita, Óscar; Pallàs-Areny, Ramon (2021-01)
      Article
      Open Access
      Differential measurements yield signals that are conditioned by differential or fully differential circuits which output depends on both the differential- and common-mode input voltages. Differential signals carry the ...

    • Compoball: Novel On-line Composting Monitoring System 

      Casas Piedrafita, Óscar; López Martínez, Margarita; Quílez Figuerola, Marcos; Huerta Pujol, Oscar; Martínez Farré, Francesc Xavier (2011)
      Conference report
      Open Access

    • Comunicador para personas con discapacidad. Entregable 4. Evolutivos maquetas y prototipos 

      Casas Piedrafita, Óscar; Hornero Ocaña, Gemma; Quílez Figuerola, Marcos (2012-04-02)
      Other
      Restricted access - author's decision
      Entregable del convenio C-08197 con la empresa B&J adaptaciones