Lyapunov based small-gain theorem for parameterized discrete-time interconnected ISS systems

نویسندگان

  • Dina Shona Laila
  • Dragan Nešić
چکیده

Input-to-state stability (ISS) of a feedback interconnection of two discrete-time ISS systems satisfying an appropriate small gain condition is investigated via the Lyapunov method. In particular, an ISS Lyapunov function for the overall system is constructed from the ISS Lyapunov functions of the two subsystems. We consider parameterized families of discretetime systems that naturally arise when an approximate discrete-time model is used to design a controller for a sampled-data system.

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تاریخ انتشار 2002