Computation of Stabilizing Decentralized PI Controllers for TITO Systems with Simplified and Inverted Decoupling

Bulut, Miray Gunay; Deniz, Furkan Nur

doi:10.1109/iceee49618.2020.9102547

Cited by 5 publications

(2 citation statements)

References 16 publications

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“…Various methods such as ideal, simplified and inverted decoupling have been given for the decoupling of systems in the literature [5]- [7]. Among these methods, simplified and inverted decoupling methods are more preferred in applications due to their simplicity [3], [8], [9].…”

Section: Introductionmentioning

confidence: 99%

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Coefficient Diagram Method Based Decentralized Controller for Fractional Order TITO Systems

Deniz

GÜNAY

2022

Balkan Journal of Electrical and Computer Engineering

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Fractional calculus has gained increasing attention from researchers because of providing accurate modelling and flexible controller design in control applications. More research to design controllers for Fractional Order Two-Input Two-Output (FOTITO) systems, which inherently have certain difficulties, is needed when the studies on such control applications are reviewed. In this study, Coefficient Diagram Method (CDM) based decentralized controllers are designed for FOTITO systems. To this end, integer order approximate models of FOTITO systems are obtained and decoupled into two subsystems by using simplified and inverted decoupling configurations. The resulting higher-order approximate subsystem transfer functions are reduced by a model reduction method to facilitate CDM-based decentralized controllers design. Then, CDM-based decentralized controllers are designed by using each subsystem, which enable to control the FOTITO system. Simulation results for two different FOTITO systems, one of which is time delayed, show that the proposed approach exhibits successful performance.

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Section: Introductionmentioning

confidence: 99%

“…An internal model control strategy was proposed for TITO systems by using conventional and inverted decoupling methods [13]. Stability regions of decentralized PI controllers for TITO systems were obtained to calculate all stabilizing controller parameters [8].…”

Section: Introductionmentioning

confidence: 99%