時変な不確定性を有する系の出力フィードバックによるロバスト安定化 Robust Stabilization of System with Time-varying Uncertainties via Output Feedback

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In previous paper, we extended the designing method proposed by Keel et al., which originated from robust eigenvalue assignment, to a system with time-varying uncertainties which are exhibited by the linear combination of time-varying parameters and time-invariant matrices specifying the structures of uncertainties. Moreover, we proposed a novel algorithm to obtain a state feedback that achieved a robustly stable closed-loop system.<br>In many practical cases, it may be impossible to measure all of the state variables in the system. It shall be required to stabilize the system by use of output feedback controller.<br>This paper presents a new method for robust stabilization of the above-mentioned system by means of output feedback controller with low-order compensators, in which the closed-loop eigenvalue assignment is relaxed, that is, discrepancies between the desired and the achieved closed-loop eigenvalues are permitted. Based upon the Gronwall's lemma, a sufficient condition with respect to the uncertainty tolerance is also prepared for the asymptotical stability of the closed-loop system. Furthermore, we state the relation between the robustness of the stability and the order of dynamic compensator. For example, designs of lateral autopilot system of a missile are shown.

収録刊行物

  • 計測自動制御学会論文集  

    計測自動制御学会論文集 31(2), 198-207, 1995-02 

    The Society of Instrument and Control Engineers

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各種コード

  • NII論文ID(NAID)
    10002483581
  • NII書誌ID(NCID)
    AN00072392
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    04534654
  • NDL 記事登録ID
    3592801
  • NDL 刊行物分類
    M045(制御工学)
  • NDL 雑誌分類
    ZM11(科学技術--科学技術一般--制御工学)
  • NDL 請求記号
    Z14-482
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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