Tuning of PI/PID Controllers Based on Specification on Maximum Closed-Loop Amplitude Ratio

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概要

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• A simple PI/PID controller tuning formula is presented in this article, where the maximum closed-loop amplitude ratio in the frequency domain is set to +2 dB, a value recommended by Luyben (1990) for considering performance robustness. A first-order-plus-dead-time (FOPDT) model or a second-order-plus-dead-time (SOPDT) model is first identified for process dynamics. The PI/PID settings for the FOPDT/SOPDT models are then derived based on the internal model control (IMC) principle. The robustness parameter left for adjusting in the IMC tuning is determined according to the specified value of maximum closed-loop magnitude. Several testing processes with an extensive variety of dynamic characteristics are used, demonstrating the effectiveness and robustness of the proposed tuning method on typical processes.

• 社団法人 化学工学会の論文
• 1999-12-01

著者

• Chen C‐l

  National Taiwan Univ. Taipei Twn

• Chen Cheng-liang

  Department Of Chemical Engineering National Taiwan University

• Huang Hsiao-ping

  Department Of Chemical Engineering National Taiwan University

• Huang Hsiao

  Department Of Chemical Engineering National Taiwan University

• Chen Cheng

  Department Of Computer Science And Information Engineering National Chiao Tung University

• HSIEH Chung

  Department of Chemical Engineering, National Taiwan University

• Hsieh Chung

  Department Of Chemical Engineering National Taiwan University

• Hsieh Chung-Tyan

  Department of Chemical Engineering, National Taiwan University

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