Revisiting the Ziegler-Nichols tuning rules for PI control - Part II, The frequency response method

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Abstract

This paper presents an analysis of the Ziegler-Nichols frequency response method for tuning PI controllers, showing that this method has severe limitations. The limitations can be overcome by a simple modification for processes where the time delay is not too short. By a major modification it is possible to obtain new tuning rules that also cover processes that are lag dominated.
Original languageEnglish
Pages (from-to)469-482
JournalAsian Journal of Control
Volume6
Issue number4
Publication statusPublished - 2004

Subject classification (UKÄ)

  • Control Engineering

Keywords

  • process control
  • optimization
  • tuning
  • PID control
  • design

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