Simulation of tuning gains decoupling effect for PI related control

Choon Lih Hoo, Sallehuddin Mohamed Haris, Edwin Chin Yau Chung

Research output: Contribution to journalArticle

Abstract

PI control gains the interest of many in research and industrial application due to its simple implementation despite the introduction of many new control techniques. However, PI control system shows tuning difficulty with limited and restricted tuning range. The coupled kp and ki tuning gains in PI control do not allow the coexistence of short settling time and no overshoot. A short settling time will easily induce overshooting performance. A new PI controller, SIPIC that possesses decoupling tuning gains was introduced in the year 2015. The analysis and simulation result using MATLAB/Simulink show that SIPIC can have shorter settling time while maintaining no overshoot performance. The change of tuning gains in SIPIC has insignificant effect on the damping ratio of SIPIC. Conversely, conventional PI controller suffers great effect on damping state from changing tuning gains, which results in overshoot when introducing shorter settling time. SIPIC can have greater flexibility in tuning range for desired performance.

Original languageEnglish
Pages (from-to)2327-2332
Number of pages6
JournalICIC Express Letters
Volume10
Issue number10
Publication statusPublished - 1 Oct 2016

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Tuning
Damping
Controllers
Gain control
MATLAB
Industrial applications
Control systems

Keywords

  • Decoupling
  • PI control
  • Simulation
  • Steady-state integral proportional integral control
  • Tuning gains

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Computer Science(all)

Cite this

Simulation of tuning gains decoupling effect for PI related control. / Hoo, Choon Lih; Mohamed Haris, Sallehuddin; Chung, Edwin Chin Yau.

In: ICIC Express Letters, Vol. 10, No. 10, 01.10.2016, p. 2327-2332.

Research output: Contribution to journalArticle

Hoo, Choon Lih ; Mohamed Haris, Sallehuddin ; Chung, Edwin Chin Yau. / Simulation of tuning gains decoupling effect for PI related control. In: ICIC Express Letters. 2016 ; Vol. 10, No. 10. pp. 2327-2332.
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