Brief paper: Delay-dependent stability of reset systems

  • Authors:
  • Antonio Barreiro;Alfonso Baños

  • Affiliations:
  • E.T.S. Ingenieros Industriales, University of Vigo, 36200 Vigo, Spain;Facultad de Informática, University of Murcia, 30071 Murcia, Spain

  • Venue:
  • Automatica (Journal of IFAC)
  • Year:
  • 2010

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Abstract

This work presents results on the stability of time-delay systems under reset control. The case of delay-dependent stability is addressed, by developing a generalization of previous stability results for reset systems without delay, and also a generalization of the delay-independent case. The stability results are derived by using appropriate Lyapunov-Krasovskii functionals, obtaining LMI (Linear Matrix Inequality) conditions and showing connections with passivity and positive realness. The stability conditions guarantee that the reset action does not destabilize the base LTI (Linear Time Invariant) system. Several interpretations are given for these conditions in terms of impulsive control, which provide insights into the potentials of reset control.