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International Journal of Control, Automation and Systems v.2 no.4, 2004년, pp.530 - 535   피인용횟수: 2

Design of Unknown Input Observer for Linear Time-delay Systems

Fu, Yan-Ming    (Center for Control Theory and Guidance Technology, Harbin Institute of Technology   ); Duan, Guang-Ren    (Center for Control Theory and Guidance Technology, Harbin Institute of Technology   ); Song, Shen-Min    (Center for Control Theory and Guidance Technology, Harbin Institute of Technology  );
  • 초록

    This paper deals with the unknown input observer (UIO) design problem for a class of linear time-delay systems. A case in which the observer error can completely be decoupled from an unknown input is treated. Necessary and sufficient conditions for the existences of such observers are present. Based on Lyapunov stability theory, thedesign of the observer with internal delay is formulated in terms of linear matrix inequalities (LMI). The design of the observer without internal delay is turned into a stabilization problem in linear systems. Two design algorithms of UIO are proposed. The effect of the proposed approach is illustrated by two numerical examples.


  • 주제어

    Linear matrix inequalities .   Lyapunov stability .   stabilization .   time-delay systems .   unknown input observer.  

  • 참고문헌 (14)

    1. An observer design for linear time-delay systems , M. Hou;P. Zitek;R. J. Patton , IEEE Trans. on Automatic Control / v.47,pp.121-125,
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    5. Unknown input robust observer for time delay system , O. Sename , Proc. of the 36th IEEE Conference on Decision and Control / v.,pp.1629-1630,
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    7. Stability Analysis and observer design for neutral delay systems , Z. D. Wang;James Lam;K. J. Burnham , IEEE Trans. on Automatic Control. / v.47,pp.478-482,
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    10. Time-delay compensation in unstable plants using delayed state feedback , W. Michiels;D. Roose , Proc. of the 40th IEEE Conference on Decision and Control / v.,pp.1433-1437,
    11. A new approach to robust fault detection and identification , M. Saif;Y. P. Guan , IEEE Trans. on Aerospace and Electronic Systems / v.29,pp.685-695,
    12. Observer design and fault diagnosis for state-retarded dynamical systems , H. L. Yang;M. Saif , Automatica / v.34,pp.217-227,
    13. Robust observation and fault diagnosis in a class of time-delay control systems , H. L. Yang;M. Saif , Proc. of the American Control Conference / v.,pp.478-482,
    14. An LMI approach to the design of fault detection filter for time-delay LTI systems with unknown input , S. X. Ding;M. Y. Zhong;B. Y. Tang;P. Zhang , Proc. of the American Control Conference / v.,pp.2137-2142,
  • 이 논문을 인용한 문헌 (2)

    1. 2010. "" International Journal of Control, Automation and Systems, 8(2): 210~219     
    2. 2011. "" International Journal of Control, Automation and Systems, 9(6): 1056~1066     

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