In this paper we present a set of optimal tuning rules for fractional-order proportional-integral-derivative controllers applied to (self-regulating) first-order-plus-dead-time processes. In particular, the proposed tuning rules aim at minimizing the integrated absolute error with a constraint on the maximum sensitivity in order to provide the required level of robustness. Both the set-point following and load disturbance rejection tasks are considered. The achieved performance is compared with that obtained by using FOPID controllers in series form. Simulation results confirm the obtained results.
Optimal tuning of ideal fractional-order PID controllers for FOPDT processes.
PADULA, Fabrizio;VISIOLI, Antonio
2013-01-01
Abstract
In this paper we present a set of optimal tuning rules for fractional-order proportional-integral-derivative controllers applied to (self-regulating) first-order-plus-dead-time processes. In particular, the proposed tuning rules aim at minimizing the integrated absolute error with a constraint on the maximum sensitivity in order to provide the required level of robustness. Both the set-point following and load disturbance rejection tasks are considered. The achieved performance is compared with that obtained by using FOPID controllers in series form. Simulation results confirm the obtained results.File in questo prodotto:
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