Now showing items 1-20 of 127

    • A canonical realization of the Weyl BMS symmetry 

      Batlle Arnau, Carles; Campello Román, Víctor Manuel; Gomis Torné, Joaquim (Elsevier, 2020-12-10)
      Article
      Open Access
    • A general action for a particle in 2 + 1 anti-de Sitter space 

      Batlle Arnau, Carles; Gomis Torné, Joaquim (2025-04-18)
      Article
      Restricted access - publisher's policy
      In this paper, we discuss a general action for a particle in AdS 3 using the nonlinear realization framework. Critical sectors are found and characterized in terms of the parameters appearing in the Lagrangian, generalizing ...
    • A new estimation of the lower error bound in balanced truncation method 

      Ha Binh, Minh; Batlle Arnau, Carles; Fossas Colet, Enric (2014-08-01)
      Article
      Open Access
      For a single-input/single-output (SISO) linear time-invariant dynamical system, the standard H-infinity-norm lower error bound of balanced truncation method is parallel to G(s) - G(r)(s)parallel to(H infinity) >= sigma(r+1), ...
    • A stator voltage oriented PI controller for the doubly-fed induction machine 

      Batlle Arnau, Carles; Dòria Cerezo, Arnau; Ortega, Romeo (Institute of Electrical and Electronics Engineers, 2007)
      Conference report
      Open Access
      In this paper we propose a new control scheme for the doubly–fed induction machine (DFIM) that offers significant advantages, and is considerably simpler, than the classical vector control method. In contrast with the ...
    • A two-dimensional state-space model for metal hydride storage tanks and parameter sensitivity analysis 

      Chen, Mingrui; Costa Castelló, Ramon; Batlle Arnau, Carles; Na, Jing (2024)
      Article
      Open Access
      Modeling of metal hydride storage tanks remains a challenging issue. In most of the literature, the charge and discharge of metal hydride storage tanks are controlled by the hydrogen flow rate. However, the case of controlling ...
    • A3: Aritmètica entera i modular [Curs 2019-2020] - Q2 

      Simó Mezquita, Ester; Batlle Arnau, Carles; Massana Hugas, Immaculada (Universitat Politècnica de Catalunya, 2020-03-31)
      Exam
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    • Activitat 3: Avaluacio dels continguts 2 i 3. Opció A (Curs 2010-2011) 

      Zaragoza Monroig, M. Luisa; Batlle Arnau, Carles; Massana Hugas, Immaculada; Simó Mezquita, Ester; Trullols Farreny, Enric; Prat Farran, Joana d'Arc; Antonijuan Rull, Josefina; Ybern Carballo, María de las Nieves (Universitat Politècnica de Catalunya, 2010-10-21)
      Exam
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    • Activitat 3: Avaluacio dels continguts 2, 3 (Curs 2015-2016) 

      Massana Hugas, Immaculada; Simó Mezquita, Ester; Trullols Farreny, Enric; Ybern Carballo, María de las Nieves; Antonijuan Rull, Josefina; Prat Farran, Joana d'Arc; Batlle Arnau, Carles; Zaragoza Monroig, M. Luisa (Universitat Politècnica de Catalunya, 2015-11-04)
      Exam
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    • Activitat 3: Avaluació dels continguts 2, 3 (Curs 2013-2014) 

      Trullols Farreny, Enric; Ybern Carballo, María de las Nieves; Antonijuan Rull, Josefina; Prat Farran, Joana d'Arc; Simó Mezquita, Ester; Massana Hugas, Immaculada; Batlle Arnau, Carles; Zaragoza Monroig, M. Luisa (Universitat Politècnica de Catalunya, 2013-11-08)
      Exam
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    • Activitat 3: Avaluació dels continguts 2, 3 (Curs 2014-2015) 

      Zaragoza Monroig, M. Luisa; Batlle Arnau, Carles; Massana Hugas, Immaculada; Simó Mezquita, Ester; Trullols Farreny, Enric; Prat Farran, Joana d'Arc; Antonijuan Rull, Josefina; Ybern Carballo, María de las Nieves (Universitat Politècnica de Catalunya, 2014-11-05)
      Exam
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    • Activitat 3: Avaluació dels continguts 2, 3 i 4 (Curs 2011-2012) 

      Zaragoza Monroig, M. Luisa; Batlle Arnau, Carles; Massana Hugas, Immaculada; Simó Mezquita, Ester; Trullols Farreny, Enric; Prat Farran, Joana d'Arc; Antonijuan Rull, Josefina; Ybern Carballo, María de las Nieves (Universitat Politècnica de Catalunya, 2011-10-24)
      Exam
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    • Activitat 4 i 5 d’Estadística (Curs 2010-2011) 

      Massana Hugas, Immaculada; Simó Mezquita, Ester; Trullols Farreny, Enric; Ybern Carballo, María de las Nieves; Antonijuan Rull, Josefina; Prat Farran, Joana d'Arc; Batlle Arnau, Carles; Zaragoza Monroig, M. Luisa (Universitat Politècnica de Catalunya, 2011-01-16)
      Exam
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    • Activitat 4: Avaluació del contingut 5 (Curs 2011-2012) 

      Massana Hugas, Immaculada; Simó Mezquita, Ester; Trullols Farreny, Enric; Ybern Carballo, María de las Nieves; Antonijuan Rull, Josefina; Prat Farran, Joana d'Arc; Batlle Arnau, Carles; Zaragoza Monroig, M. Luisa (Universitat Politècnica de Catalunya, 2011-12-21)
      Exam
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    • Activitat 5: Avaluació dels continguts 2, 3, 4 i 5 (Curs 2011-2012) 

      Massana Hugas, Immaculada; Simó Mezquita, Ester; Trullols Farreny, Enric; Ybern Carballo, María de las Nieves; Antonijuan Rull, Josefina; Prat Farran, Joana d'Arc; Batlle Arnau, Carles; Zaragoza Monroig, M. Luisa (Universitat Politècnica de Catalunya, 2012-01-18)
      Exam
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    • Activitats 4 i 5 (Curs 2013-2014) 

      Massana Hugas, Immaculada; Simó Mezquita, Ester; Trullols Farreny, Enric; Ybern Carballo, María de las Nieves; Antonijuan Rull, Josefina; Prat Farran, Joana d'Arc; Batlle Arnau, Carles; Zaragoza Monroig, M. Luisa (Universitat Politècnica de Catalunya, 2014-01-15)
      Exam
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    • Activitats 4 i 5 (Curs 2014-2015) 

      Prat Farran, Joana d'Arc; Antonijuan Rull, Josefina; Ybern Carballo, María de las Nieves; Trullols Farreny, Enric; Simó Mezquita, Ester; Massana Hugas, Immaculada; Batlle Arnau, Carles; Zaragoza Monroig, M. Luisa (Universitat Politècnica de Catalunya, 2015-01-15)
      Exam
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    • Activitats 4 i 5 (Curs 2015-2016) 

      Massana Hugas, Immaculada; Simó Mezquita, Ester; Trullols Farreny, Enric; Ybern Carballo, María de las Nieves; Antonijuan Rull, Josefina; Prat Farran, Joana d'Arc; Batlle Arnau, Carles; Zaragoza Monroig, M. Luisa (Universitat Politècnica de Catalunya, 2016-01-18)
      Exam
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    • Analysis and control of an hybrid system: a doubly-fed induction machine and a back-to-back converter 

      Batlle Arnau, Carles; Dòria Cerezo, Arnau; Fossas Colet, Enric (Universitat Politècnica de Catalunya. Institut d'Organització i Control de Sistemes Industrials, 2005-09)
      Research report
      Open Access
      This report describes the port interconnection of two subsystems: a power elec- tronics subsystem (a back-to-back AC/AC converter (B2B), coupled to a phase of the power grid), and an electromechanical subsystem (a ...
    • Apunts d'anàlisi real 

      Batlle Arnau, Carles; Fossas Colet, Enric (Universitat Politècnica de Catalunya, 2002)
      Lecture notes
      Open Access
    • Averaged dynamics of a coupled-inductor boost converter under sliding mode control using a piecewise linear complementarity model 

      Carrero Candelas, Niliana Andreina; Batlle Arnau, Carles; Fossas Colet, Enric (2016-04-12)
      Article
      Open Access
      An averaged model of a coupled-inductor boost converter using the piecewise complementarity model of the converter under sliding motions is obtained. The model takes into account the idealized voltage–current characteristic ...