Exploració per altres contribucions "Universitat Politècnica de Catalunya. ISSET - Integrated Smart Sensors and Health Technologies"

Ara es mostren els items 1-20 de 38

    • A cmos-mems beol 2-axis lorentz-force magnetometer with device-level offset cancellation 

      Sánchez Chiva, José María; Valle Fraga, Juan José; Fernández, Daniel; Madrenas Boadas, Jordi (2020-10-19)
      Article
      Accés obert
      Lorentz-force Microelectromechanical Systems (MEMS) magnetometers have been proposed as a replacement for magnetometers currently used in consumer electronics market. Being MEMS devices, they can be manufactured in the ...

    • A comprehensive high-level model for CMOS-MEMS resonators 

      Banerji, Saoni; Fernández, Daniel; Madrenas Boadas, Jordi (2018-01-24)
      Article
      Accés obert
      This paper presents a behavioral modeling technique for CMOS microelectromechanical systems (MEMS) microresonators that enables simulation of an MEMS resonator model in Analog Hardware Description Language format within a ...

    • A mixed-signal control system for Lorentz-force resonant MEMS magnetometers 

      Sánchez Chiva, José María; Valle Fraga, Juan José; Fernández, Daniel; Madrenas Boadas, Jordi (2019-09-01)
      Article
      Accés obert
      This paper presents a mixed-signal closed-loop control system for Lorentz force resonant MEMS magnetometers. The control system contributes to 1) the automatic phase control of the loop, that allows start-up and keeps ...

    • A new beam synchronous processing architecture with a fixed frequency processing clock: application to transient beam loading compensation in the CERN SPS machine 

      Galindo Guarch, Francisco Javier; Baudrenghien, Philippe; Moreno Aróstegui, Juan Manuel (2021-02-01)
      Article
      Accés obert
      New projects being implemented or planned at CERN, such as the LHC Injectors Upgrade (LIU), the High-Luminosity LHC (HL-LHC) or the Future Circular Collider (FCC), motivate the change of several architectural paradigms in ...

    • A test setup for the characterization of Lorentz-force MEMS magnetometers 

      Sánchez Chiva, José María; Valle Fraga, Juan José; Fernández Martínez, Daniel; Madrenas Boadas, Jordi (2021-09-13)
      Article
      Accés obert
      Lorentz-force MEMS magnetometers are interesting candidates for the replacement of magnetometers in consumer electronics products. Plenty of works in the literature propose MEMS magnetometers, their readout circuits and ...

    • Action potential propagation: ion current or intramembrane electric field? 

      Martí Edo, Albert; Pérez González, Juan Jesús; Madrenas Boadas, Jordi (2018-01-22)
      Article
      Accés obert
      The established action potential propagation mechanisms do not satisfactorily explain propagation on myelinated axons given the current knowledge of biological channels and membranes. The flow across ion channels presents ...

    • An architecture for real-time arbitrary and variable sampling rate conversion with application to the processing of harmonic signals 

      Galindo Guarch, Francisco Javier; Baudrenghien, Philippe; Moreno Aróstegui, Juan Manuel (2020-05)
      Article
      Accés obert
      The paper presents a new solution for sampling rate conversion and processing of harmonic signals with known but possibly varying fundamental frequency. This problem is commonly found in particle accelerators, for tracking ...

    • Analog VLSI implementation of kernel-based classifiers 

      Verleysen, Michel; Thissen, P.; Madrenas Boadas, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 1994)
      Text en actes de congrés
      Accés obert
      Kernel-based classifiers are neural networks (radial basis functions) where the probability densities of each class of data are first estimated, to be used thereafter to approximate Bayes boundaries between classes. Such ...

    • Approach to the implementation and modeling of LDO-assisted DC-DC voltage regulators 

      Sedaghati, Nasima; Martínez García, Herminio; Cosp Vilella, Jordi (2017)
      Text en actes de congrés
      Accés obert
      This paper presents the design of an LDO-assisted DC-DC voltage regulator in Cadence Virtuoso® based on a 350-nm CMOS technology. This kind of voltage regulator consists of a switching converter together with a classic or ...

    • Approach to the modeling of LDO–assisted DC–DC voltage linear regulators 

      Sedaghati, Nasima; Martínez García, Herminio; Cosp Vilella, Jordi (Universidad de Málaga, 2017)
      Text en actes de congrés
      Accés obert
      This paper presents the design of a LDO-assisted DC-DC converters in Cadence Virtuoso based on a 350-nm CMOS technology. This kind of voltage regulators consists of a switching converter together with a classic or LDO (low ...

    • Artificial intelligence contribution to eHealth application 

      Cabestany Moncusí, Joan; Rodríguez Martín, Daniel Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A presentation of the eHealth related concepts and challenges is done, together with an analysis on how the use of the Artificial Intelligence (AI) techniques can improve the management of the data generated by the eHealth ...

    • Beyond cognition and affect: sensing the unconscious 

      Ivonin, Leonid; Huang-Ming, Chang; Díaz Boladeras, Marta; Català Mallofré, Andreu; Chen, Wei; Rauterberg, Mattias (Taylor & Francis, 2015-03-04)
      Article
      Accés restringit per política de l'editorial
      In the past decade, research on human-computer interaction has embraced psychophysiological user interfaces that enhance awareness of computers about conscious cognitive and affective states of users and increase their ...

    • Closed-form equation for natural frequencies of beams under full range of axial loads modeled with a spring-mass system 

      Valle Fraga, Juan José; Fernández Martínez, Daniel; Madrenas Boadas, Jordi (2019-04-01)
      Article
      Accés obert
      A new simple closed-form equation that accurately predicts the effect of an arbitrarily large constant axial load, residual stress or temperature shift on the natural frequencies of an uniform single-span beam, with various ...

    • Compensation of transient beam loading in ramping synchrotrons using a fixed frequency processing clock 

      Galindo Guarch, Francisco Javier; Moreno Aróstegui, Juan Manuel; Baudrenghien, Philippe (Institute of Physics (IOP), 2018)
      Article
      Accés obert
      Transient beam loading compensation schemes, such as One-Turn-FeedBack (OTFB), require beam synchronous processing (BSP). Swept clocks derived from the RF, and therefore harmonic to the revolution frequency, are widely ...

    • Complexity reduction of neural network model for local motion detection in motion stereo vision 

      Akima, Hisanao; Kawakami, S.; Madrenas Boadas, Jordi; Moriya, S.; Yano, Masafumi; Nakajima, Koji; Sakuraba, Masao; Sato, Shigeo (Springer, 2017)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Spatial perception, in which objects’ motion and positional relationship are recognized, is necessary for applications such as a walking robot and an autonomous car. One of the demanding features of spatial perception in ...

    • Course on renewable energies for Energy Engineering students in the framework of the European Higher Education Area 

      Martínez García, Herminio; Cosp Vilella, Jordi (2017-04)
      Article
      Accés obert
      As it is well known, the Bologna Process is a voluntary Intergovernmental European cooperation initiative that led to the creation of the named European Higher Education Area (EHEA). EHEA was formed to promote mobility, ...

    • Elastic queueing engine for time sensitive networking 

      González Mariño, Ángela; Fons, Francesc; Gharba, Ahmed; Ming, Li; Moreno Aróstegui, Juan Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this work we introduce the concept of Elastic Queueing Engine (EQE) for Time Sensitive Networking (TSN) which is a new networking-optimized queueing strategy designed to maximize Quality of Service (QoS) and usability ...

    • Estimating dyskinesia severity in Parkinson's disease by using a waist-worn sensor: concurrent validity study 

      Rodríguez Molinero, Alejandro; Pérez López, Carlos; Samà Monsonís, Albert; Rodríguez Martín, Daniel Manuel; Mestre, Berta; Quispe, Paola; Giuliani, Benedetta; Vainstein, Gabriel; Browne, Patrick; Sweeney, Dean; Quinlan, Leo R.; Moreno Aróstegui, Juan Manuel; Bayés, Àngels; Lewy, Hadas; Costa, Alberto; Annicchiarico, Roberta; Counihan, Timothy; ÓLaighin, Gearóid; Cabestany Moncusí, Joan (Nature, 2019-09-17)
      Article
      Accés obert
      Our research team previously developed an accelerometry-based device, which can be worn on the waist during daily life activities and detects the occurrence of dyskinesia in patients with Parkinson’s disease. The goal of ...

    • Experiments on MEMS Integration in 0.25 turn CMOS Process 

      Michalik, Piotr Jozef; Fernández, Daniel; Wietstruck, Mehmet; Kaynak, Mehmet; Madrenas Boadas, Jordi (Multidisciplinary Digital Publishing Institute (MDPI), 2018-07-01)
      Article
      Accés obert
      In this paper, we share our practical experience gained during the development of CMOS-MEMS (Complementary Metal-Oxide Semiconductor Micro Electro Mechanical Systems) devices in IHP SG25 technology. The experimental ...

    • Fifteen years of wireless sensors for balance assessment in neurological disorders 

      Zampogna, Alessandro; Mileti, Ilaria; Palermo, Eduardo; Celletti, Claudia; Paoloni, Marco; Manoni, Alessandro; Mazzetta, Ivan; Costa, Gloria Dalla; Pérez López, Carlos; Camerota, Filippo; Leocani, Letizia; Cabestany Moncusí, Joan; Irrera, Fernanda; Suppa, Antonio (Multidisciplinary Digital Publishing Institute (MDPI), 2020-06-07)
      Article
      Accés obert
      Balance impairment is a major mechanism behind falling along with environmental hazards. Under physiological conditions, ageing leads to a progressive decline in balance control per se. Moreover, various neurological ...