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Ara es mostren els items 74-92 de 92

    • Sequential design of multioverlapping controllers for structural vibration control of tall buildings under seismic excitation 

      Karimi, Hamid Reza; Palacios Quiñonero, Francisco; Rossell Garriga, Josep Maria; Rubió Massegú, Josep (2012-11-30)
      Article
      Accés restringit per política de l'editorial
      In this article, a computationally effective strategy to obtain multioverlapping controllers via the inclusion principle is applied to design a state-feedback multioverlapping linear-quadratic regulator controller for a ...

    • Sobre l'ordenació de les arrels reals de les derivades de polinomis a coeficients reals. 

      Rubió Massegú, Josep (Universitat Politècnica de Catalunya, 2005-02-10)
      Tesi
      Accés obert
      Alguns problemes clàssics sobre teoria analítica de polinomis estan relacionats amb un problema més general: determinar com estan ordenades les arrels reals d'un polinomi a coeficients reals i les arrels reals de totes les ...

    • Static output-feedback control for vehicle suspensions: a single-step linear matrix inequality approach 

      Rubió Massegú, Josep; Palacios Quiñonero, Francisco; Rossell Garriga, Josep Maria; Karimi, Hamid Reza (2013-12-20)
      Article
      Accés obert
      In this paper, a new strategy to design static output-feedback controllers for a class of vehicle suspension systems is presented. A theoretical background on recent advances in output-feedback control is first provided, ...

    • Static output-feedback control under information structure constraints 

      Rubió Massegú, Josep; Rossell Garriga, Josep Maria; Karimi, Hamid Reza; Palacios Quiñonero, Francisco (2013-01)
      Article
      Accés obert
      An important challenge in the static output-feedback control context is to provide an isolated gain matrix possessing a zero-nonzero structure, mainly in problems presenting information structure constraints. Although ...

    • Static output-feedback controller design for structural vibration control: a two-step LMI approach 

      Palacios Quiñonero, Francisco; Rubió Massegú, Josep; Rossell Garriga, Josep Maria; Karimi, Hamid Reza (2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents a novel controller design strategy, which allows computing static output-feedback controllers by solving two successive linear matrix inequality (LMI) optimization problems. This strategy is conceptually ...

    • Static output-feedback controller design for vehicle suspensions: an effective two-step computational approach 

      Rubió Massegú, Josep; Palacios Quiñonero, Francisco; Rossell Garriga, Josep Maria; Karimi, Hamid Reza (2014-10-16)
      Article
      Accés obert
      In this study, a novel two-step methodology is applied in designing static output-feedback controllers for a class of vehicle suspension systems. Following this approach, an effective synthesis of static output-feedback ...

    • Static output-feedback vibration control of seismically excited buildings: an effective multistep approach 

      Palacios Quiñonero, Francisco; Rubió Massegú, Josep; Rossell Garriga, Josep Maria; Karimi, Hamid Reza (Academic Press - Elsevier, 2020-06)
      Capítol de llibre
      Accés restringit per política de l'editorial
      Static output-feedback (SOF) controllers are particularly interesting for vibration control of complex structures under a multiactuation scheme. In this chapter, we present a novel iterative linear matrix inequality ...

    • Steward platform. Synchronized movements of two platforms 

      Barcons Xixons, Víctor; Blanes Priego, Manuel; R. Karimi, Hamid; Llimós Oriols, Ernest; Palacios Quiñonero, Francisco; Rossell Garriga, Josep Maria; Rubió Massegú, Josep; Vicente Rodrigo, Jesús (2020-04-24)
      Audiovisual
      Accés obert
      Moviment sincronitzat de dues plataformes

    • Stewart platform 

      Blanes Priego, Manel; Palacios Quiñonero, Francisco; Rossell Garriga, Josep Maria; Rubió Massegú, Josep; Vicente Rodrigo, Jesús (Escola Politècnica Superior d'Enginyeria de Manresa (EPSEM) - UPC, 2015-11)
      Audiovisual
      Accés obert
      Una plataforma Stewart o robot paral•lel és un mecanisme capaç de simular moviments amb sis graus de llibertat, és a dir, tres moviments lineals i tres de rotacionals. D’aquesta manera es poden reproduir en el laboratori ...

    • Stewart Platform. Automatich whiteboard drawing 

      Barcons Xixons, Víctor; Blanes Priego, Manuel; R. Karimi, Hamid; Llimós Oriols, Ernest; Palacios Quiñonero, Francisco; Rubió Massegú, Josep; Vicente Rodrigo, Jesús (2020-04-24)
      Audiovisual
      Accés obert
      Dibuix amb la Plataforma Stewart.

    • Stewart Platform. Ball and plate touchscreen control 

      Barcons Xixons, Víctor; Blanes Priego, Manuel; R. Karimi, Hamid; Llimós Oriols, Ernest; Palacios Quiñonero, Francisco; Rossell Garriga, Josep Maria; Rubió Massegú, Josep; Vicente Rodrigo, Jesús (2020-04-24)
      Audiovisual
      Accés obert
      Control tàctil d'una bola sobre la Plataforma Stewart.

    • Stewart Platform. Ball and plate vision control 

      Barcons Xixons, Víctor; Blanes Priego, Manuel; R. Karimi, Hamid; Llimós Oriols, Ernest; Palacios Quiñonero, Francisco; Rossell Garriga, Josep Maria; Rubió Massegú, Josep; Vicente Rodrigo, Jesús (2020-04-24)
      Audiovisual
      Accés obert
      Control per visió d'una bola sobre la Plataforma Stewart.

    • Stewart Platform. Path tracking 

      Barcons Xixons, Víctor; Blanes Priego, Manuel; R. Karimi, Hamid; Llimós Oriols, Ernest; Palacios Quiñonero, Francisco; Rossell Garriga, Josep Maria; Rubió Massegú, Josep; Vicente Rodrigo, Jesús (2020-04-24)
      Audiovisual
      Accés obert
      Seguiment de formes de la Plataforma Stewart.

    • Stewart Platform. Real-time master-slave synchronization 

      Barcons Xixons, Víctor; Blanes Priego, Manuel; R. Karimi, Hamid; Llimós Oriols, Ernest; Palacios Quiñonero, Francisco; Rossell Garriga, Josep Maria; Rubió Massegú, Josep; Vicente Rodrigo, Jesús (2020-04-24)
      Audiovisual
      Accés obert
      Sincronització en temps real de dues plataformes Master-Slave usant un giroscopi.

    • Structural vibration control for a class of connected multistructure mechanical systems 

      Palacios Quiñonero, Francisco; Rossell Garriga, Josep Maria; Rubió Massegú, Josep; Karimi, Hamid Reza (2012-10-21)
      Article
      Accés obert
      A mathematical model to compute the overall vibrational response of connected multistructure mechanical systems is presented. Using the proposed model, structural vibration control strategies for seismic protection of ...

    • Tracking control for a Stewart platform prototype 

      Rossell Garriga, Josep Maria; Palacios Quiñonero, Francisco; Rubió Massegú, Josep; Vicente Rodrigo, Jesús (2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A Stewart platform is a well-known mechanism which can be used for a wide variety of vibration control problems. In this paper, an LQR controller for a Stewart platform prototype is proposed which, combined with a proportional ...

    • Vibration control for adjacent structures using local state information 

      Palacios Quiñonero, Francisco; Rubió Massegú, Josep; Rossell Garriga, Josep Maria; Karimi, Hamid Reza (2014-06)
      Article
      Accés obert
      In this paper, a novel strategy for structural vibration control of multi-structure systems is presented. This strategy pays particular attention to mitigating negative interstructure interactions. Moreover, it is based ...

    • Vibration control strategy for large-scale structures with incomplete multi-actuator system and neighbouring state information 

      Palacios Quiñonero, Francisco; Rubió Massegú, Josep; Rossell Garriga, Josep Maria; Karimi, Hamid Reza (2016-02)
      Article
      Accés obert
      The synthesis of optimal controllers for vibrational protection of large-scale structures with multiple actuation devices and partial state information is a challenging problem. In this study, the authors present a design ...

    • Zero and coefficient inequalities for hyperbolic polynomials 

      Rubió Massegú, Josep; Díaz Barrero, José Luis; Rubió Díaz, Pedro (2006-03)
      Article
      Accés obert
      In this paper using classical inequalities and Cardan-Viète formulae some inequalities involving zeroes and coefficients of hyperbolic polynomials are given. Furthermore, considering real polynomials whose zeros lie in ...