Comments on "New results on the synthesis of PID controllers"

Comments on "New results on the synthesis of PID controllers"

Silva, Datta, and Bhattacharyya (in the above paper) have studied the feedback control system, provided with a proportional-integral-derivative (PID) controller and relative to a first-order plant with a time delay, and have determined the range of the PID controller parameters suitable for the stab...

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Veröffentlicht in:IEEE transactions on automatic control 2005-09, Vol.50 (9), p.1468-1469
1. Verfasser: Martelli, G.
Format: Artikel
Sprache:eng
Schlagworte:
Closed-loop systems
Control system synthesis
Control systems
Delay effects
Delay systems
Feedback control
Pi control
Proportional control
proportional-integral-derivative (PID) control
Reduced order systems
stability
Stability criteria
Three-term control
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Zusammenfassung:Silva, Datta, and Bhattacharyya (in the above paper) have studied the feedback control system, provided with a proportional-integral-derivative (PID) controller and relative to a first-order plant with a time delay, and have determined the range of the PID controller parameters suitable for the stability by means of a version of the Hermite-Biehler theorem. The purpose of this note is to find the same results in a simpler way by means of the classical Nyquist's stability criterion.
ISSN:0018-9286
1558-2523
DOI:10.1109/TAC.2005.854644