Exploració per tema "Synchronization"

Ara es mostren els items 1-20 de 100

    • A Cubesat-ready phase synchronization digital payload for coherent distributed remote sensing missions 

      Querol Borràs, Jorge; Merlano-Duncan, Juan Carlos; Martínez Marrero, Liz; Krivochiza, Jevgenij; Kumar, Sumit; Maturo, Nicola; Camps Carmona, Adriano José; Chatzinotas, Symeon; Ottersten, Björn (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
      Accés obert
      Distributed antenna arrays, fractionated payloads and cooperative platforms can provide unprecedented performance in the next generation of spaceborne communications and remote sensing systems. Remote phase synchronization ...

    • A geometric approach to phase response curves and its numerical computation through the parameterization method 

      Pérez Cervera, Alberto; Martínez-Seara Alonso, M. Teresa; Huguet Casades, Gemma (2019-01-01)
      Article
      Accés obert
      The phase response curve (PRC) is a tool used in neuroscience that measures the phase shift experienced by an oscillator due to a perturbation applied at different phases of the limit cycle. In this paper, we present a new ...

    • A remote carrier synchronization technique for coherent distributed remote sensing systems 

      Merlano-Duncan, Juan Carlos; Martínez Marrero, Liz; Querol Borràs, Jorge; Kumar, Sumit; Camps Carmona, Adriano José; Chatzinotas, Symeon; Ottersten, Bjorn (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Article
      Accés obert
      Phase, frequency, and time synchronization are crucial requirements for many applications, such as multistatic remote sensing and communication systems. Moreover, the synchronization solution becomes even more challenging ...

    • A simple low-cost electrocardiogram synchronizer 

      Amorós García de Valdecasas, Susana; Galvez Monton, Carolina; Rodríguez Leor, Oriol; O'Callaghan Castellà, Juan Manuel (Multidisciplinary Digital Publishing Institute (MDPI), 2021-09-01)
      Article
      Accés obert
      Electrocardiogram (ECG) synchronization is useful to avoid the effects of cardiac motion in medical measurements, and is widely used in standard medical imaging. A number of medical equipment include embedded commercial ...

    • A toolchain to verify the parallelization of OmpSs-2 applications 

      Economo, Simone; Royuela Alcázar, Sara; Ayguadé Parra, Eduard; Beltran Querol, Vicenç (Springer, 2020)
      Text en actes de congrés
      Accés obert
      Programming models for task-based parallelization based on compile-time directives are very effective at uncovering the parallelism available in HPC applications. Despite that, the process of correctly annotating complex ...

    • Active and reactive power strategies with peak current limitation for distributed generation inverters during unbalanced grid faults 

      Camacho Santiago, Antonio; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Borrell Sanz, Angel; García de Vicuña Muñoz de la Nava, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2015-03-01)
      Article
      Accés obert
      Distributed generation inverters have become a key element to improve grid efficiency and reliability, particularly during grid faults. Under these severe perturbations, inverter-based power sources should accomplish ...

    • Active power limiter for grid connection of modern renewable SSG SPC 

      Abdollahi, Mostafa; Candela García, José Ignacio; Rocabert Delgado, Joan; Muñoz Aguilar, Raúl Santiago; Rodríguez Cortés, Pedro (2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Management of Renewable Static Synchronous Generation units based on Synchronous Power Controller (RSSG-SPC), not only provides grid synchronization without using PLL and gives proper dynamic to output active power, moreover ...

    • Advanced synchronization control for inverters parallel operation in microgrids using coupled Hopf oscillators 

      Li, Mingshen; Matas Alcalá, José; Guerrero, Josep M.; Vasquez Quintero, Juan Carlos (2020-09)
      Article
      Accés obert
      A simple high-performance decentralized controller based on Hopf oscillator is proposed for three-phase parallel voltage source inverter (VSI) in islanded Microgrid. In aß frame, the oscillators equations corresponding ...

    • An active power synchronization control loop for grid-connected converters 

      Remón, D.; Mir Cantarellas, Antonio; Rakhshani, Elyas; Candela García, José Ignacio; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The increasing penetration of renewable energy sources in power systems requires new control systems that provide services similar to those of conventional generators. This paper proposes an active power controller that ...

    • An almost globally stable adaptive phase-locked loop for synchronization of a voltage source converter to a weak grid 

      Zonetti, Daniele; Bobtsov, Alexey; Ortega Martínez, Romeo; Nikolaev, Nikolay; Gomis Bellmunt, Oriol (John Wiley & sons, 2023-01-01)
      Article
      Accés restringit per política de l'editorial
      In this article we are interested in the problem of adaptive synchronization of a voltage source converter with a possibly weak grid with unknown angle and frequency, but knowledge of its parameters. To guarantee a suitable ...

    • An edge-based strategy for smart advertising 

      Seyghaly, Rasool; García Almiñana, Jordi; Masip Bruin, Xavier (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
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      Smart advertising creates awareness about some offer with a more direct, personalized and interactive focus. In this area, AROUND is a social network aimed at providing smart advertising to suggest appealing business to ...

    • An LMI approach to H_ synchronization of second-order neutral master-slave systems 

      Reza Karimi, Hamid; Zapateiro, Mauricio; Luo, Ningsu; Rossell Garriga, Josep Maria (American Automatic Control Council, 2009-06-10)
      Text en actes de congrés
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      The H_ synchronization problem of the master and slave structure of a second-order neutral master-slave systems with time-varying delays is presented in this paper. Delaydependent sufficient conditions for the design of a ...

    • Analysis on dynamic interaction of renewable SSG SPC with external power grid 

      Abdollahi, Mostafa; Candela García, José Ignacio; Rocabert Delgado, Joan; Muñoz Aguilar, Raúl Santiago; Rodríguez Cortés, Pedro (2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Control of renewables by Synchronous Power Controller (SPC) technology provides virtual damping and inertia which results to support phase stability on the grid and keep synchronism of interconnected areas tighter. Serving ...

    • Application of subsynchronous damping controller to static var compensator 

      Ghorbani, Hamidreza; Moghadam, Davoud Esmaeil; Luna Alloza, Álvaro; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2015)
      Text en actes de congrés
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      This paper proposes a new auxiliary Subsynchronous Damping Controller (SSDC) for the Static Var Compensator (SVC) to damp out subsynchronous oscillations in power system containing series compensated transmission lines. ...

    • Architectures and synchronization techniques for coherent distributed remote sensing systems 

      Merlano-Duncan, Juan Carlos; Querol, Jorge; Camps Carmona, Adriano José; Chatzinotas, Simeon; Ottersten, Bjorn (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Phase, frequency and time synchronization is a crucial requirement for many applications as such as multi-static remote sensing and distributed beamforming for communications. The literature on the field is very wide, and ...

    • Architectures and synchronization techniques for distributed satellite systems: a survey 

      Martínez Marrero, Liz; Merlano-Duncan, Juan Carlos; Querol Borràs, Jorge; Kumar, Sumit; Krivochiza, Jevgenij; Krishna Sharma, Shree; Chatzinotas, Symeon; Camps Carmona, Adriano José; Ottersten, Björn (Institute of Electrical and Electronics Engineers (IEEE), 2022-04-22)
      Article
      Accés obert
      Cohesive Distributed Satellite Systems (CDSSs) is a key enabling technology for the future of remote sensing and communication missions. However, they have to meet strict synchronization requirements before their use is ...

    • Array sísmico inalámbrico y de parámetros ambientales para la caracterización de precursores de actividad volcánica 

      Moure García, David (Universitat Politècnica de Catalunya, 2017-06-29)
      Tesi
      Accés obert
      The global seismic activity is extensively studied and well characterized by seismic networks focused on the seismic hazards derived from earthquakes. However, a specific study on volcano seismicity is not widespread, due ...

    • Biased-Randomized Discrete-Event heuristics for dynamic optimization with time dependencies and synchronization 

      Castañeda Jiménez, Juliana; Neroni, Mattia; Ammouriova, Majsa; Panadero Martínez, Javier; Juan Pérez, Ángel Alejandro (Multidisciplinary Digital Publishing Institute (MDPI), 2022-08-01)
      Article
      Accés obert
      Many real-life combinatorial optimization problems are subject to a high degree of dynamism, while, simultaneously, a certain level of synchronization among agents and events is required. Thus, for instance, in ride-sharing ...

    • Characterization and modeling of atomic memory operations in arm based architectures 

      Soria Pardos, Víctor (Universitat Politècnica de Catalunya, 2022-01-26)
      Projecte Final de Màster Oficial
      Accés restringit per acord de confidencialitat
      Realitzat a/amb:   Barcelona Supercomputing Center / Universidad de Zaragoza
      Efficient fine-grain synchronization is a classic computer architecture challenge that has been profusely addressed in the past. Load Link and Store Conditional (LL/SC) became one of the few solutions to this problem and ...

    • Code-timing synchronization in DS-CDMA systems using space-time diversity 

      Seco Granados, Gonzalo; Fernández Rubio, Juan Antonio (Servicio de Publicaciones Universidad de Vigo, 1999)
      Text en actes de congrés
      Accés obert
      The synchronization of a desired user transmitting a known training sequence in a direct-sequence (DS) asynchronous code-division multiple-access (CDMA) sys-tem is addressed. It is assumed that the receiver consists of an ...