Journal of Institute of Control, Robotics and Systems (제어로봇시스템학회논문지)

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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Robust stability for discrete time-delay systems with perturbations

섭동을 가지는 이산 시간지연 시스템의 강인 안정성

  • Park, Ju-Hyeon (Dept. of Electronic Electrical Engineering, Pohang University of Science and Technology) ;
  • Won, Sang-Cheol ( Dept. of Electronic Electrical Engineering, Pohang University of Science and Technology)
  • 박주현 (포항공과대학교 전자전기공학과) ;
  • 원상철 (포항공과대학교 전자전기공학과)
  • Published : 1996.09.01
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Abstract

In this paper, we consider the problem of robust stability of discretd time-delay systems subjected to perturbations. Two classes of perturbations are treated. The first one is the nonlinear norm-bounded perturbation, and the second is the structured time-varying parametric perturbation. Based on the discrete-time Lyapunov stability theory, several new sufficient conditions for robust stability of the system are presented. From these conditions, we can estimate the maximum allowable bounds of the perturbations which guarantee the stability. Finally, numerical examples are given to demonstrate the effectiveness of the results.

Keywords

References

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