• A coordinate atlas of the manifold of observable conditioned invariant subspaces 

      Puerta Sales, Ferran; Puerta Coll, Xavier; Zaballa, I (2001-02)
      Article
      Accés obert
      Given an observable system (C,A) € Km×n×Kn×n with K = R or C , the set of (C,A)- invariant subspaces having the restricted system fixed observability indices is a smooth manifold embedded on the corresponding Grassmannian. ...
    • Output Maximal Dimension for the Disturbance Decoupling Problem 

      Puerta Sales, Ferran; Puerta Coll, Xavier; Zaballa, Ion (2001)
      Article
      Accés obert
      Given a linear time invariant system with a disturbance we describe a method of finding the maximal dimensional output for a generic Disturbance Decoupling problem.
    • Use of reduced forms in the disturbance decoupling problem 

      Compta Creus, Albert; Ferrer Llop, Josep; Peña Carrera, Marta (Elsevier, 2009-03)
      Article
      Accés restringit per política de l'editorial
      Specific algorithms, such as those involving the supremal of the invariant subspaces contained in a suitable subspace, are known to be able to test whether a disturbance decoupling problem (DDP) is solvable. Here, by ...