PID tuning rules for minimum-time rest-to-rest transitions

Piccagli, Stefano; Visioli, Antonio

doi:10.3182/20110828-6-it-1002.00769

Cited by 2 publications

(1 citation statement)

References 21 publications

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“…Future work will include the determination of suitable tuning rules to be combined to the minimum-time restto-rest feedforward control law (see [18]) and the design of set-point filters for an easier implementation of the methodology (see [19]).…”

Section: Discussionmentioning

confidence: 99%

Minimum-time rest-to-rest feedforward action for PID feedback MIMO systems

Consolini

Lini

Piazzi

et al. 2012

IFAC Proceedings Volumes

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In this paper we present a methodology for the design of a feedforward control law to be applied to a closed-loop PID-based control system for a multi-input multi-output process in order to achieve a minimum-time rest-to-rest transition of the system from an equilibrium point to another subject to constraints on both the control and process variables. In particular, the proposed approach uses decentralized PID controllers which can be designed by any of the conventional methods, such as, for example, those aiming at rejection of load disturbances. Then, the closed-loop generalized bang-bang command input vector is determined by applying a linear programming approach in order to minimize the rest-to-rest output transitions. Conditions for the constraints for which the problem admits a solution are given. Simulations for a two-inputs two-outputs plant highlight the effectiveness of the approach.

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Section: Discussionmentioning

confidence: 99%