Now showing items 1-20 of 143

  • A canonical reduced form for singular time invariant linear systems 

    García Planas, María Isabel; Díaz, Adolfo (2009-09)
    Conference report
    Open Access
    We consider quadruples of matrices (E; A;B;C), representing singular linear time invariant systems in the form Ex_ (t) = Ax + Bu y = Cx ¾ (1) with E;A 2 Mp£n(C), B 2 Mp£m(C) and C 2 Mq£n(C) under proportional and ...
  • A canonical reduced form for singular time invariant linear systems. Part I 

    García Planas, María Isabel; Díaz, Adolfo (WSEAS Press. World Scientific and Engineering Academy and Society, 2009-12)
    Conference lecture
    Open Access
  • A canonical reduced form for singular time invariant linear systems. Part II 

    García Planas, María Isabel; Díaz, Adolfo (WSEAS Press. World Scientific and Engineering Academy and Society, 2009-12)
    Conference lecture
    Open Access
  • A general approach for computing residues of partial-fraction expansion of transfer matrices 

    García Planas, María Isabel; Domínguez García, José Luís (2013-07)
    Article
    Open Access
    This paper deals with the description of a general method for calculating the residues of a linear system. Considering, physical models, it is well-assumed that the system described only presents simple eigenvalues, or at ...
  • Algebra and large-scale dam assessment: the case of merowe dam in Sudan 

    Requejo Castro, David; Taberna Torres, Judit; García Planas, María Isabel (EScGD, 2018)
    Part of book or chapter of book
    Open Access
  • Álgebra lineal en la educación para el desarrollo sostenible 

    García Planas, María Isabel; Taberna Torres, Judit; Rina García, Natalia (Iniciativa Digital Politècnica, Oficina de Publicacions Acadèmiques Digitals de la UPC, 2018)
    Book
    Open Access
    El objetivo de este libro es desarrollar y trabajar, desde el álgebra lineal, aspectos vinculados al desarrollo sostenible, para sensibilizar sobre esta cuestión. Para ello, se han elaborado diversos proyectos, de dificultad ...
  • Álgebra lineal : problemas resueltos 

    García Planas, María Isabel (Edicions UPC, 1993)
    Book
    Restricted access to the UPC academic community
    El presente libro es un complemento de la asignatura Álgebra Lineal, destinado a los estudiantes de primer curso de ingeniería y ciencias en general y a los de Ingeniería Industrial en particular. Pretende, por una parte, ...
  • Álgebra lineal y geometría para la ingeniería 

    García Planas, María Isabel (Maria Isabel Garcia Planas, 2011)
    Book
    Open Access
    Este libro recoge el material preparado para estudiantes de la asignatura de geometr´ıa de los cursos de grado de ingenier´ıa en tecnolog´ıas industriales, ingenier´ıa qu´ımica y grado de ingenier´ıa de materiales de la ...
  • Alternative tests for functional and pointwise output-controllability of linear time-invariant systems 

    García Planas, María Isabel; Domínguez García, José Luís (2013)
    Article
    Open Access
    This paper deals with the description of a new method for calculating the functional output-controllability. It is computed by means of the rank of a certain constant matrix which can be associated to the system. Moreover, ...
  • Analizing exact controllability of l-order linear systems 

    García Planas, María Isabel (WSEAS Press, 2017-01-01)
    Article
    Open Access
    In recent years there has been growing interest in the descriptive analysis of l-order time invariant linear dynamical system xl = Al-1xl-1 ++ A0x0 where Ai are square complex matrices and xi denotes the i-th derivative ...
  • Analizing exact controllability of l-order linear ystems 

    García Planas, María Isabel (WSEAS Press, 2017-05)
    Article
    Open Access
    In recent years there has been growing interest in the descriptive analysis of l -order time invariant linear dynamical system x l = A l system x l = A l where A i are square complex matrices and x i denotes the i-th ...
  • An alternative collection of structural invariants for matrix pencils under strict equivalence 

    Díaz, Adolfo; García Planas, María Isabel (WSEAS Press. World Scientific and Engineering Academy and Society, 2009)
    Article
    Restricted access - publisher's policy
    We consider pairs of matrices (E;A), representing singular linear time invariant sys- tems in the form Ex_ (t) = Ax with E;A 2 Mp£n(C) under restricted equivalence. In this paper we obtain an alternative collection of ...
  • An alternative complete system of invariants for matrix pencils under strict equivalence 

    García Planas, María Isabel; Díaz, Adolfo (WSEAS Press. World Scientific and Engineering Academy and Society, 2009-12)
    Part of book or chapter of book
    Restricted access - publisher's policy
    We consider triples of matrices (E; A;B), representing singular linear time invariant systems in the form Ex_ (t) = Ax(t) + Bu(t), with E;A 2 Mp£n(C) and B 2 Mn£m(C), un- der proportional and derivative feedback. Using ...
  • An alternative complete system of invariants for matrix pencils under strict equivalence 

    García Planas, María Isabel; Díaz, Adolfo (WSEAS Press. World Scientific and Engineering Academy and Society, 2009-12)
    Conference lecture
    Open Access
  • Analysis of behavior of a simple eigenvalue of singular system 

    García Planas, María Isabel; Tarragona, Sonia (WSEAS Press, 2013-09)
    Part of book or chapter of book
    Open Access
    Small perturbations of simple eigenvalues with a change of parameters is a problem of general interest in applied mathematics. The aim of this work is to study the behavior of a simple eigenvalue of singular linear ...
  • Analysis of behavior of a simple eigenvalue of singular system 

    García Planas, María Isabel; Tarragona, Sonia (WSEAS Press, 2013)
    Conference lecture
    Open Access
    Small perturbations of simple eigenvalues with a change of parameters is a problem of general interest in applied mathematics. The aim of this work is to study the behavior of a simple eigenvalue of singular linear ...
  • Analysis of behavior of the eigenvalues and eigenvectors of singular linear systems 

    García Planas, María Isabel; Tarragona Romero, Sonia (2012)
    Article
    Open Access
    Let E(p)x˙ = A(p)x + B(p)u be a family of singular linear systems smoothly dependent on a vector of real parameters p = (p1, . . . , pn). In this work we construct versal deformations of the given differentiable family under ...
  • Analysis of control properties]{Analysis of control properties of convolutional concatenated codes under linear systems point of view 

    García Planas, María Isabel; Um, Laurence Emilie; Souidi, El Mamoun (2013)
    Conference report
    Open Access
    In this paper we consider two models of concatenated convolutional codes from the perspective of linear systems theory. We present an input-state-output representation of these models and we study the conditions for ...
  • Analysis of control properties of concatenated convolutional codes 

    García Planas, María Isabel; Souidi, El Mamoun; Um, Laurence Emilie (2012)
    Article
    Open Access
    In this paper we consider two models of concatenated convolutional codes from the perspective of linear systems theory. We present an input-state-output representation of these models and we study the conditions for ...
  • Analysis of functional output-controllability of time-invariant Composite linear systems 

    García Planas, María Isabel; Tarragona, Sonia (WSEAS Press, 2013-09)
    Part of book or chapter of book
    Open Access
    Small perturbations of simple eigenvalues with a change of parameters is a problem of general interest in applied mathematics. The aim of this work is to study the behavior of a simple eigenvalue of singular linear ...