Ara es mostren els items 1-20 de 113

  • 3Cat-1 project: a multi-payload CubeSat for scientific experiments and technology demonstrators 

    Jové Casulleras, Roger; Araguz López, Carles; Via Ortega, Pol; Solanellas Bofarull, Arnau; Amezaga Sarries, Adria; Vidal Mateu, David; Muñoz Martin, Joan Francesc; Marí Barceló, Marc; Olivé Muñiz, Roger; Sáez Hernández, Alberto; Jané Abad, Jaume; Bou Balust, Elisenda; Iannazzo Soteras, Mario Enrique; Gorreta Mariné, Sergio; Ortega Villasclaras, Pablo Rafael; Pons Nin, Joan; Domínguez Pumar, Manuel; Alarcón Cot, Eduardo José; Ramos Castro, Juan José; Camps Carmona, Adriano José (2017)
    Article
    Accés obert
    This article introduces 3 Cat-1, the first project of the Technical University of Catalonia to build and launch a nano-satellite. Its main scope is to develop, construct, assemble, test and launch into a low Earth orbit a ...
  • 3Cat-1: a multi-payload Cubesat-based scientific and technology demonstrator 

    Jové Casulleras, Roger; Camps Carmona, Adriano José; Ramos Castro, Juan José; Alarcón Cot, Eduardo José; Bou Balust, Elisenda; Carreño Luengo, Hugo; Amézaga Sarries, Adrià; Olivé Muñiz, Roger; Vidal Mateu, David; Muñoz Martin, Joan Francesc; Araguz López, Carles; Marí Barceló, Marc; Ortega Villasclaras, Pablo Rafael; Pons Nin, Joan; Gorreta Mariné, Sergio; Domínguez Pumar, Manuel; Iannazzo Soteras, Mario Enrique (European Spatial Agengy (ESA), 2014)
    Comunicació de congrés
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  • A comparison of analytical models for resonant inductive coupling wireless power transfer 

    Bou Balust, Elisenda; Alarcón Cot, Eduardo José; Gutierrez Cabello, Jorge Luis (The Electromagnetics Academy, 2012)
    Text en actes de congrés
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    Recent research in wireless power transfer (WPT) using resonant inductive coupling has demonstrated very high e±ciencies (above 40%) at large distances compared to the antenna dimensions, which has exponentially increased ...
  • A frequency domain approach for controlling chaos in switching converters 

    Rodríguez Vilamitjana, Enric; Alarcón Cot, Eduardo José; Iu, H. H. C.; El Aroudi, Abdelali (2010)
    Text en actes de congrés
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    The purpose of this paper is the synthesis from the frequency domain standpoint of a controller for switching power converters with the aim to eliminate bifurcation and chaotic behavior. Firstly the paper analyzes the ...
  • A grounded-output 5-switch bipolar buck-boost converter topology for switching power amplifiers 

    García Tormo, Albert; Poveda López, Alberto; Alarcón Cot, Eduardo José; Guinjoan Gispert, Francisco (IEEE, 2011)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This work presents a switching converter topology which can boost and step down the supply voltage and can deliver both positive and negative voltages to a grounded load (bipolar converter topology with non-floating output). ...
  • A highly-accurate low-power CMOS potentiostat for implantable biosensors 

    Razzaghpour, Milad; Rodriguez Duenas, Saul; Alarcón Cot, Eduardo José; Rusu, Ana (IEEE, 2011)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Current-mirror-based potentiostats suffer from systematic and random errors causing offset, gain and linearity error in reading out the sensor data. In this work, a new potentiostat topology is proposed to eliminate the ...
  • A MAC protocol for reliable broadcast communications in wireless network-on-chip 

    Mestres Sugrañes, Albert; Abadal Cavallé, Sergi; Torrellas, Josep; Alarcón Cot, Eduardo José; Cabellos Aparicio, Alberto (Association for Computing Machinery (ACM), 2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The Wireless Network-on-Chip (WNoC) paradigm holds considerable promise for the implementation of fast and efficient on-chip networks in manycore chips. Among other advantages, wireless communications provide natural ...
  • A ripple-based design-oriented approach for predicting fast-scale instability in DC–DC switching power supplies 

    Rodríguez Vilamitjana, Enric; El Aroudi, Abdelali; Guinjoan Gispert, Francisco; Alarcón Cot, Eduardo José (2011-12)
    Article
    Accés restringit per política de l'editorial
    This paper presents a design-oriented analytical approach for predicting fast-scale instability in power electronics converters under voltage-mode control strategy. This approach is based on the use of the ripple amplitude ...
  • Active inductor-based tunable impedance matching network for RF power amplifier application 

    Saberkari, Alireza; Ziabakhsh, Saman; Martínez García, Herminio; Alarcón Cot, Eduardo José (2015-08)
    Article
    Accés obert
    This paper presents the use of a new structure of active inductor named cascoded flipped-active inductor (CASFAI) in a T-type high-pass tunable output matching network of a class-E RF power amplifier (RFPA) to control the ...
  • Active inductor–based tunable impedance matching network for RF power amplifier application 

    Saberkari, Alireza; Ziabakhsh, Saman; Martínez García, Herminio; Alarcón Cot, Eduardo José (2016-01)
    Article
    Accés obert
  • Advances in non-radiative resonant inductive coupling wireless power transfer: a comparison of alternative circuit and system models driven by emergent applications 

    Bou Balust, Elisenda; Sedwick, Raymond; Hu, Patrick; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Recent research in wireless power transfer (WPT) using resonant inductive coupling has demonstrated very high efficiencies at large distances compared to the transmitting element dimensions, thereby increasing the number ...
  • An asynchronous finite-state-machine-based buck-boost converter for on-chip adaptive power supply 

    Fernández, Daniel; Madrenas Boadas, Jordi; Alarcón Cot, Eduardo José (2013-01)
    Article
    Accés restringit per política de l'editorial
    In this paper we present an asynchronous finite-state machine digital controller co-integrated with an on-chip non-inverting buck-boost power converter with dynamic signal-tracking capabilities. The mostly-digital controller ...
  • An efficient CMOS LDO-assisted DC/DC buck regulator 

    Shirmohammadli, V.; Saberkari, Alireza; Martínez García, Herminio; Alarcón Cot, Eduardo José (2016)
    Text en actes de congrés
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    In this paper, a new structure based on linear-assisted DC-DC buck converter principle is proposed. Using a segmented LDO regulator instead of the conventional linear one in the hybrid scheme, reduces the difference between ...
  • An enhanced switching policy for buck-derived multi-level switching power amplifiers 

    García Tormo, Albert; Poveda López, Alberto; Alarcón Cot, Eduardo José; Bergveld, Henk Jan; Buter, Berry; Karadi, Ravi (2010)
    Text en actes de congrés
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    This work proposes a switching policy for multi-level fullbridge switching power converters and analyses their performance by driving them with a multi-level PWM modulation, targeting highefficiency power amplifiers. ...
  • An output-capacitorless FVF-based low-dropout regulator for power management applications 

    Shirmohammadli, V.; Saberkari, Alireza; Martínez García, Herminio; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Text en actes de congrés
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    This paper presents an output-capacitorless low dropout (LDO) regulator based on improved flipped voltage follower power stage for use in power management circuits. A new error amplifier (EA) structure, named as gain-bandwidth ...
  • An ultra low-power mixed-signal back-end for passive sensor UHF RFID transponders 

    Rodriguez, J.; Delgado Restituto, M.; Masuch, J.; Rodriguez Perez, Alberto; Alarcón Cot, Eduardo José; Rodríguez Vázquez, Ángel (IEEE Press. Institute of Electrical and Electronics Engineers, 2012-02)
    Article
    Accés restringit per política de l'editorial
    This paper describes the design of mixed-signal back end for an ultrahigh-frequency sensor-enabled radio-frequency identification transponder in full compliance with the Electronic Product Code Class-1 Generation-2 protocol, ...
  • Analysis of limit cycles in a PI digitally controlled buck converter 

    Bradley, D.; Alarcón Cot, Eduardo José; Feely, Orla (2012)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Digital control of power converters has been an area of considerable research interest in recent times. One of the problems which arises in these systems is that of the limit cycle oscillations that occur due to ...
  • Aplicación de MOSFETs de carburo de silicio (SiC) en inversores fotovoltaicos conectados a red 

    Chavarría Roé, Javier; Biel Solé, Domingo; Guinjoan Gispert, Francisco; Poveda, Alberto; Masana Nadal, Francisco; Alarcón Cot, Eduardo José (2015)
    Text en actes de congrés
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  • Application of Sliding Mode Control to the design of a Buck-based sinusoidal Generator 

    Biel Solé, Domingo; Fossas Colet, Enric; Guinjoan Gispert, Francisco; Alarcón Cot, Eduardo José; Poveda López, Alberto (Institute of Electrical and Electronics Engineers (IEEE), 2001-06)
    Article
    Accés obert
    This paper is devoted to the design of a sliding-mode control scheme for a buck-based inverter, with programmable amplitude, frequency, and dc offset, with no external sinusoidal reference required. A general procedure for ...
  • Area and laser power scalability analysis in photonic networks-on-chip 

    Abadal Cavallé, Sergi; Cabellos Aparicio, Alberto; Lázaro Villa, José Antonio; Nemirovsky, Mario; Alarcón Cot, Eduardo José; Solé Pareta, Josep (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    In the last decade, the field of microprocessor architecture has seen the rise of multicore processors, which consist of the interconnection of a set of independent processing units or cores in the same chip. As the number ...