The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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Non-fragile Guaranteed Cost Control of Uncertain Nonlinear Systems with Time-varying Delays in State and Control Input

시변 시간 지연을 갖는 불확실한 비선형 시스템의 비약성 보장 비용 제어

  • 김재만 (연세대 공대 전기전자공학과) ;
  • 최윤호 (경기대 공대 전자공학과) ;
  • 박진배 (연세대 공대 전기전자공학과)
  • Received : 2011.12.27
  • Accepted : 2012.02.06
  • Published : 2012.03.01
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Abstract

In this paper, we present a non-fragile guaranteed cost control design method for uncertain nonlinear systems with time varying delays in state and control input, even though the controller gain is perturbed. The uncertain nonlinear term in the systems is norm bounded and the linear matrix inequality(LMI) optimization method is employed as a stability analysis of the systems. We design a robust controller and show the asymptotical stability of uncertain time-varying systems based on Lyapunov method. Also, we guarantee a specific level of performance of the systems. The simulations are carried out to demonstrate the effectiveness of the proposed method.

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References

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