Closed-loop experimental identification
PID control applications - Temperature and position control

Article REF: S7418 V1

Closed-loop experimental identification
PID control applications - Temperature and position control

Author : Dominique JACOB

Publication date: September 10, 2004 | Lire en français

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4. Closed-loop experimental identification

4.1 Closed-loop behavior models

The closed-loop system, controlled by a proportional corrector, has a gain close to unity and generally exhibits an indexed response with damped oscillations. This can be expressed by the transfer function : $F_{31} (p) = \frac{y}{u} = \frac{K (1 + τ_{n} p)}{(1 + τ_{d} p) (1 + \frac{2 m p}{ω_{0}} + \frac{p^{2}}{ω_{0}^{2}})}$

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Closed-loop experimental identification

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Principle of PID corrector calculation

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Bibliography

(1) - COTTET (F.) - LABVIEW Programmation et applications. - DUNOD ISBN 2 10 005667 0 (2001).
(2) - JACOB (D.) - Calcul des correcteurs PID par la méthode des moments pour les systèmes instables en boucle ouverte. - Revue d'Automatique et...

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