Brief paper: Stability analysis of systems with aperiodic sample-and-hold devices

  • Authors:
  • Hisaya Fujioka

  • Affiliations:
  • Graduate School of Informatics, Kyoto University, Kyoto 606-8501, Japan

  • Venue:
  • Automatica (Journal of IFAC)
  • Year:
  • 2009

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Abstract

Motivated by the widespread use of networked and embedded control systems, improved stability conditions are derived for sampled-data feedback control systems with uncertainly time-varying sampling intervals. The results are derived by exploiting the passivity-type property of the operator arising in the input-delay approach to the system in addition to the gain of the operator, and are hence less conservative than existing ones.