PI Tuning in Terms of Gain and Phase Margins

  title={PI Tuning in Terms of Gain and Phase Margins},
  author={Ho-Wang Fung and Qing-Guo Wang and Tong Heng Lee},
In this paper, a simple PI controller design method is proposed which can achieve user-specified gain and phase margins if they are suitable, or otherwise the automatically adjusted alternatives for performance enhancement. Unlike reduced-order model-based tuning methods, exact margins, once specified or adjusted, can be accomplished regardless of the process order and damping nature. The response of the closed-loop system using the proposed design is hence more predictable than those using… CONTINUE READING
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