Ara es mostren els items 119-138 de 171

    • Obtaining consensus of singular multi-agent linear dynamic systems 

      García Planas, María Isabel (2016)
      Article
      Accés obert
      There is much literature about the study of the consensus problem in the case where the dynamics of the agents are linear systems, but the problem is still open for the case where the dynamic of the agents are singular ...
    • On simultaneously and approximately simultaneously diagonalizable m-tuples of matrices 

      García Planas, María Isabel (Fundamental Journal of Mathematics and Applications, 2019)
      Article
      Accés obert
      In this paper, the problem of simultaneous diagonalization of m-tuples of n-order square complex matrices, is analyzed and some necessary and some necessary and sufficient conditions for this property to be fulfilled are ...
    • On stability and controllability of multi-agent linear systems 

      García Planas, María Isabel; Tarragona, Sonia (2016-11)
      Article
      Accés obert
      Recent advances in communication and computing have made the control and coordination of dynamic network agents to become an area of multidisciplinary research at the intersection of the theory of control systems, communication ...
    • On the observability of multiagent neural networks 

      García Planas, María Isabel (WSEAS Press, 2019)
      Article
      Accés obert
      We obtain a characterization of observability for a class of linear systems which appear in multiagentneural networks research. Due to the connection between mathematical concept of control dynamical systemsand cognitive ...
    • Orbits of controllable and observable systems 

      Clotet Juan, Josep; García Planas, María Isabel (1999)
      Article
      Accés obert
      Let a time-invariant linear system $\left .\aligned \dot x(t)&=Ax(t)+Bu(t)\\y(t)&=Cx(t)\endaligned \right \}$ corresponding to a realization of a prescribed transfer function matrix can be represented by triples of ...
    • Output observability of generalized linear systems 

      García Planas, María Isabel; Tarragona Romero, Sonia (2011)
      Article
      Accés restringit per política de l'editorial
      In this paper we consider finite-dimensional generalized linear discrete-time-invariant systems in the form Ex˙ (k+1) = Ax(k)+Bu(k), y(k) = Cx(k) where E,A 2 M = Mn(C), B 2 Mn×m(C), C 2 Mp×n(C), describ- ing convolutional ...
    • Output controllability analysis of fixed speed wind turbine 

      Domínguez García, José Luís; García Planas, María Isabel (2011-09-05)
      Report de recerca
      Accés obert
      This paper deals with a study of output-controllability of a squirrel cage induction generator connected directly to grid. To obtain the Linear Time Invariant System, which describes the generator behavior, are chosen the ...
    • Output controllability analysis of fixed speed wind turbine 

      Domínguez García, José Luís; García Planas, María Isabel (2011)
      Text en actes de congrés
      Accés obert
      This paper deals with the concepts of output controllability and steady output controllability, it demonstrates that they are not equivalent of concepts. A linear system has been calculated from the nonlinear equations of ...
    • Output observability of time-invariant singular linear systems 

      García Planas, María Isabel; Tarragona Romero, Sonia (IPACS Electrinic Library, 2011)
      Capítol de llibre
      Accés obert
      In this paper finite-dimensional singular linear discrete-time-invariant systems in the form Ex(k + 1) = Ax(k) + Bu(k), y(k) = Cx(k) where E;A 2 M = Mn(C), B 2 Mn£m(C), C 2 Mp£n(C), describing convolutional codes are ...
    • Permutation non-isometric linear codes over a finite field 

      García Planas, María Isabel; Magret Planas, Maria dels Dolors (Universidad de Cádiz, 2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A method for the enumeration of permutation non-isometric linear codes is presented
    • Perturbación de los valores propios simples de matrices de polinomios dependientes diferenciablemente de parámetros 

      García Planas, María Isabel; Tarragona Romero, Sonia (Editorial de la Universitat Politècnica de València (UPV), 2010)
      Text en actes de congrés
      Accés obert
      Sea P(¸) = Pk i=0 ¸iAi(p) una familia de matrices polinomiales m¶onica dependi- ente diferenciablemente de par¶ametros reales. Las matrices polinomiales aparecen de fPorma natural asociadas a los sistemas de ecuaciones ...
    • Perturbación de los valores propios simples de matrices de polinomios dependientes diferenciablemente de parámetros 

      García Planas, María Isabel; Tarragona Romero, Sonia (Servicio de publicaciones de la UPV, 2010)
      Comunicació de congrés
      Accés obert
      Sea P(¸) = Pk i=0 ¸iAi(p) una familia de matrices polinomiales mónica dependi- ente diferenciablemente de parámetros reales. Las matrices polinomiales aparecen de fPorma natural asociadas a los sistemas de ecuaciones ...
    • Perturbation analysis of a matrix differential equation ¿x=ABx 

      García Planas, María Isabel; Klymchuk, Tetiana (UP4, Institute of Sciences, S.L., 2018)
      Article
      Accés restringit per política de l'editorial
      Two complex matrix pairs (A,B) and (A',B') are contragrediently equivalent if there are nonsingular S and R such that (A',B')=(S-1AR,R-1BS). M.I. García-Planas and V.V. Sergeichuk (1999) constructed a miniversal deformation ...
    • Perturbation analysis of eigenvalues of polynomial matrices smoothly depending on parameters 

      García Planas, María Isabel; Tarragona Romero, Sonia (Wseas Press, 2011-07)
      Capítol de llibre
      Accés obert
      Let P(¸) = Pk i=0 ¸iAi(p) be a family of monic polyomial matrices smoothly dependent on a vector of real parameters p = (p1; : : : ; pn). In this work we study behavior of a multiple eigenvalue of the monic polynomial family P(¸).
    • Perturbation analysis of simple eigenvalues of singular linear systems 

      Tarragona Romero, Sonia; García Planas, María Isabel (2013)
      Text en actes de congrés
      Accés obert
      In this work a study of the behavior of a simple eigenvalue of singular linear system family E ( p )_ x = A ( p ) x + B ( p ) u , y = C ( p ) x smoothly dependent on a vector of real parameters p = ...
    • Perturbation of multiagent linear systems 

      García Planas, María Isabel (WSEAS Press, 2023-03-07)
      Article
      Accés obert
      The main objective of this note is to explore if, making a small perturbation of an uncontrollable multiagent linear system with a previously interrelationship topology established, a controllable multi-agent system with ...
    • El Portafoli de l'estudiant en Mahara-Moodle 

      Taberna Torres, Judit; García Planas, María Isabel (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2013-06)
      Comunicació de congrés
      Accés obert
      És ben conegut el potencial que té l’ús del portfoli del estudiant per a fer visible tant per ell com per a els demès, de com i fins a quin nivell ha assolit els seus objectius. Mahara és un sistema d'e-portafoli que es ...
    • Reduction to versal deformations of matrix pencils and matrix pairs with application to control theory 

      García Planas, María Isabel; Mailybaev, Alexei A. (2002)
      Article
      Accés obert
      Matrix pencils under the strict equivalence and matrix pairs under the state feedback equivalence are considered. It is known that a matrix pencil (or a matrix pair) smoothly dependent on parameters can be reduced locally ...
    • Regularity of the Brunovsky-Kronecker stratification 

      Ferrer Llop, Josep; García Planas, María Isabel; Puerta Sales, Ferran (1998)
      Article
      Accés obert
      We study the partition of the set of pairs of matrices according to the Brunovsky- Kronecker type. We show that it is a constructible stratification, and that it is Whitney regular when the second matrix is a column matrix. ...
    • Second order generalized linear systems. A geometric approach 

      Clotet Juan, Josep; García Planas, María Isabel (2004)
      Article
      Accés obert
      Let (E;A1;A2;B) be a quadruple of matrices representing a two-order generalized time-invariant linear system, E¨x = A1 ˙ x + A2x + Bu. We study the controllability character under an algebraic point of view.