• openAccess   H∞ observer design for a class of nonlinear discrete systems 

      Peñarrocha-Alós, Ignacio; Sanchis LLopis, Roberto; Albertos Pérez, Pedro Lavoisier (Hermes Science Publications) (2009)
      Necessary and sufficient conditions are presented under which a discrete-time autonomous system with outputs is locally diffeomorphic to an output-scaled linear observable system or an output-scaled nonlinear system in the ...