Realization theory of discrete-time linear switched systems

  • Authors:
  • Mihály Petreczky;Laurent Bako;Jan H. Van Schuppen

  • Affiliations:
  • -;-;-

  • Venue:
  • Automatica (Journal of IFAC)
  • Year:
  • 2013

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Abstract

The paper presents realization theory of discrete-time linear switched systems. We present necessary and sufficient conditions for an input-output map to admit a discrete-time linear switched system realization. In addition, we present a characterization of minimality of discrete-time linear switched systems in terms of reachability and observability. Further, we prove that minimal realizations are unique up to isomorphism. We also discuss algorithms for converting a linear switched system to a minimal one and for constructing a state-space representation from input-output data. The paper uses the theory of rational formal power series in non-commutative variables.