A New Tuning Method for PI Controllers using Features of Step Response Pattern

• Nomura Masahide

  Graduate School of Science and Engineering, Ibaraki University

• Saito Tadayosi

• Ouchi Katsunori

  Omika Works, Hitachi, Ltd.

• Kitamori Toshiyuki

• Kondo Ryou

  Graduate School of Science and Engineering, Ibaraki University

Bibliographic Information

Other Title

• ステップ応答波形の特徴量を利用したＰＩコントローラのチューニング方法
• ステップ オウトウ ハケイ ノ トクチョウリョウ オ リヨウ シタ PI コントローラ ノ チューニング ホウホウ

Abstract

This paper proposes a new tuning method for PI( proportional plus integral ) controllers based on partial model matching to refer to the standard 2nd order lag model.<br>The method consists of four steps : (1) to measure step responses of a 1st order lag plus dead time process controlled by PI controller, (2) to extract features of the step responses, (3) to estimate damping coefficient ζ and natural angular frequency ω_n of the control system, and (4) to change control parameters Kp, Ti to adjust the damping coefficient and the natural angular frequency to the desired values.<br>The result of simulation show that this method is so practical that prediction errors to step responses after changing parameters are small and it is easy to evaluate characteristics of the control system after changing parameters.

Journal

• IEEJ Transactions on Electronics, Information and Systems

  IEEJ Transactions on Electronics, Information and Systems 126 (11), 1375-1384, 2006

  The Institute of Electrical Engineers of Japan

Keywords

• PI controller
• Tuning method
• Partial model matching
• 1st order lag plus dead time system
• Standard 2nd order lag model

Details

• CRID: 1390001204603978624
• NII Article ID: 10018318417
• NII Book ID: AN10065950
• DOI: 10.1541/ieejeiss.126.1375
• ISSN: 13488155
• ISSN: 03854221
• NDL BIB ID: 8560453
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I8560453
• Web Site: http://www.jstage.jst.go.jp/article/ieejeiss/126/11/126_11_1375/_pdf
• Text Lang: ja
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• Abstract License Flag: Disallowed