Comments on "A Simple and Robust Method of Tuning PID Controllers for Integrator/Dead Time Processes"

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著者

    • HOTE Yogesh V.
    • Department of Instrumentation and Control, Netaji Subhas Institute of Technology
    • GUPTA J. R. P.
    • Department of Instrumentation and Control, Netaji Subhas Institute of Technology

抄録

Ravi Padma Sree and Manickam Chidambaram (2005) have evaluated the robustness of the system with PID controller of order (<I>n</I> = 5) by Kharitonov's theorem. In this note, it is pointed out that for low-order systems (<I>n</I> ≤ 6), the robustness of the systems can be guaranteed by checking very simple frequency domain conditions based on Hermite-Biehler theorem (Argoun, 1990). So, there is no need to formulate all the four Kharitonov's polynomials and also no need to calculate their roots. Thus, the computations can be reduced for such class of systems.

収録刊行物

  • Journal of chemical engineering of Japan  

    Journal of chemical engineering of Japan 41(4), 298-299, 2008-04-01 

    The Society of Chemical Engineers, Japan

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各種コード

  • NII論文ID(NAID)
    10021110100
  • NII書誌ID(NCID)
    AA00709658
  • 本文言語コード
    ENG
  • 資料種別
    OTR
  • ISSN
    00219592
  • データ提供元
    CJP書誌  J-STAGE 
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