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Ara es mostren els items 183145-183164 de 245817

    • Positioning two redundant arms for cooperative manipulation of objects 

      Colomé Figueras, Adrià; Torras, Carme (Springer, 2013)
      Text en actes de congrés
      Accés obert
      Bimanual manipulation of objects is receiving a lot of attention nowadays, but there is few literature addressing the design of the arms configuration. In this paper, we propose a way to analyze the relative positioning ...

    • Positioning using compressed sensing in 5G 

      Martín-Blas Avilés, Eric (Universitat Politècnica de Catalunya, 2021-10-25)
      Treball Final de Grau
      Accés obert
      The mobile communications sector has seen tremendous growth in recent years which has led to a huge demand for mobile data. This demand will require new technologies that can offer the sufficient capacity that the sector ...

    • Positions in Norwegian modernist architecture: Wenche Selmer and Arne Korsmo 

      Tostrup, Elisabeth (2014-11-26)
      Audiovisual
      Accés obert

    • Positive actions to improve mental well-being among construction workers 

      Altet Graell, Arnau (Universitat Politècnica de Catalunya, 2022-07-04)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   University of Colorado Boulder
      Construction workers are at a higher risk for mental health issues than every other profession. According to the Centers for Disease Control and Prevention, the construction industry is the second leading suicide rate, and ...

    • Positive and negative sequence analysis of a voltage source converter 

      Domínguez Hernández, Martí (Universitat Politècnica de Catalunya, 2024-01)
      Projecte Final de Màster Oficial
      Accés obert
      Power electronic components are becoming essential for the present and future grids, giving useful services apart from integrating electrical vehicles (EV), renewable energies or batteries. Voltage Source Converters (VSCs) ...

    • Positive and negative sequence analysis of a voltage source converter 

      Domínguez Hernández, Martí (Universitat Politècnica de Catalunya, 2024-01)
      Projecte Final de Màster Oficial
      Accés obert
      Power electronic components are becoming essential for the present and future grids, giving useful services apart from integrating electrical vehicles (EV), renewable energies or batteries. Voltage Source Converters (VSCs) ...

    • Positive and Negative Sequence Control Strategies to Maximize the Voltage Support in Resistive-Inductive Grids During Grid Faults 

      Camacho Santiago, Antonio; Castilla Fernández, Miguel; Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis; Guzmán Solà, Ramon (2017-07-27)
      Article
      Accés obert
      Grid faults are one of the most severe perturbations in power systems. During these extreme disturbances, the reliability of the grid is compromised and the risk of a power outage is increased. To prevent this issue, ...

    • Positive definite indistinguishability operators 

      Recasens Ferrés, Jorge; Tomás Belenguer, María Santos (2018-01-01)
      Article
      Accés obert

    • Positive effect of cold atmospheric nitrogen plasma on the behavior of mesenchymal stem cells cultured on a bone scaffold containing iron oxide-loaded silica nanoparticles catalyst 

      Przekora, Agata; Audemar, Maïté; Pawlat, Joanna; Canal Barnils, Cristina; Thomann, Jean-Sébastien; Labay, Cédric Pierre (2020-07-03)
      Article
      Accés obert
      Realitzat a/amb:   Uniwersytet Medyczny w Lublinie / Université Catholique de Louvain / Politechnika Lubelska / Luxembourg Institute of Science and Technology
      Low-temperature atmospheric pressure plasma was demonstrated to have an ability to generate different reactive oxygen and nitrogen species (RONS), showing wide biological actions. Within this study, mesoporous silica ...

    • Positive effect of increasing feedback for student self-adjustment of learning habits 

      Vilanova Arbós, Ramon; Ponsa Asensio, Pere (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2011-03)
      Article
      Accés obert
      The university is currently living a great amount of changes of conceptual and methodological nature, on the basis of the European Higher Education Area (EHEA). This new scenario promotes new learning and teaching methodologies ...

    • Positive isometric averaging operators on l2(Z,µ) 

      Boza Rocho, Santiago; Soria de Diego, Javier (2016-03-05)
      Article
      Accés obert
      © 2016 Springer International Publishing We show that positive isometric averaging operators on the sequence space (Formula presented.) are determined by very subtle arithmetic conditions on (Formula presented.) (even for ...

    • Positive management and the balanced scorecard: a successful strategy for organizations 

      Cignitas, Ceren Peri; Torrents Arévalo, Juan Antonio; Vilajosana Crusells, Jordi (ACT Akademi, 2022-04)
      Article
      Accés obert
      This study investigated whether the balanced scorecard (BSC), a performance measurement system, has an impact on positive management (PM) in organizations. , which is defined as focusing on the current strengths of employees, ...

    • Positive measure of effective quasi-periodic motion near a diophantine torus 

      Bounemoura, Abed; Farré Puiggalí, Gerard (2023-09)
      Article
      Accés obert
      It was conjectured by Herman that an analytic Lagrangian Diophantine quasi-periodic torus T0, invariant by a real-analytic Hamiltonian system, is always accumulated by a set of positive Lebesgue measure of other Lagrangian ...

    • Positive Plücker tree certificates for non-realizability 

      Pfeifle, Julián (2022-01-24)
      Article
      Accés obert
      We introduce a new method for finding a non-realizability certificate of a simplicial sphere S: we exhibit a monomial combination of classical 3-term Pl¨ucker relations that yields a sum of products of determinants that ...

    • Positive selection in gamete interaction proteins in Carnivora 

      Pisciottano, Francisco; Campos, María Clara; Penna, Clementina; Bruque, Carlos David; Gabaldon, Toni; Saragüeta, Patricia (Wiley, 2024-02)
      Article
      Accés restringit per política de l'editorial
      Abstract The absence of robust interspecific isolation barriers among pantherines, including the iconic South American jaguar (Panthera onca), led us to study molecular evolution of typically rapidly evolving reproductive ...

    • Positive sequence voltage control, full negative sequence cancellation and current limitation for static compensators 

      Camacho Santiago, Antonio; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Velasco García, Manel; Guzmán Solà, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2021-12)
      Article
      Accés obert
      This paper presents a control scheme in the stationary reference frame for Static Synchronous Compensators that provides three features: 1) regulation of the positive sequence voltage to the nominal value, 2) full cancellation ...

    • Positive solutions of nonlinear problems involving the square root of the Laplacian 

      Cabré Vilagut, Xavier; Tan, Jinggang (2009-05)
      Report de recerca
      Accés obert
      We consider nonlinear elliptic problems involving a nonlocal operator: the square root of the Laplacian in a bounded domain with zero Dirichlet boundary conditions. For positive solutions to problems with power nonlinearities, ...

    • Positive Storm Surges in the Río de la Plata Estuary: forcings, long-term variability, trends and linkage with Southwestern Atlantic Continental Shelf dynamics 

      Alonso, Guadalupe; Simionato, Claudia G.; Dinápoli, Matías G.; Saurral, Ramiro; Bodnariuk, Nicolás (Springer, 2024)
      Article
      Accés restringit per política de l'editorial
      The Río de la Plata Estuary (RdP), one of the most populated and developed areas of Southern South America, often experiences positive storm surges (PSS). These episodic rises of sea level due to meteorological forcing ...

    • Positive time-frequency distributions based on joint marginal constraints 

      Rodríguez Fonollosa, Javier (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1996-08-01)
      Article
      Accés obert
      This correspondence studies the formulation of members of the Cohen-Posch class of positive time-frequency energy distributions. Minimization of cross-entropy measures with respect to different priors and the case of ...

    • Positive, negative and controlled durotaxis 

      Sáez Viñas, Pablo; Venturini, Chiara (Royal Society of Chemistry (RSC), 2023-03-29)
      Article
      Accés obert
      Cell migration is a physical process central to life. Among others, it regulates embryogenesis, tissue regeneration, and tumor growth. Therefore, understanding and controlling cell migration represent fundamental challenges ...