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Projeto de controladores tipo PID para estabilização de sistemas multivariáveis a tempo discreto
CAMPOS, Caio Augusto; CAMPOS, Víctor Costa da Silva; COUTINHO, Pedro Henrique Silva
Resumo
Resumo
This work deals with the design of PID controllers for sampled-data systems via a discrete-time approach. To design the PID controller, the closed-loop system is reformulated as a control system via static output feedback. The main contribution of this work is the proposal of a design condition via quasi-LMI whose solution does not depend on iterative methods or equality constraints as in related work. The proposed design condition guarantees the eigenvalue placement of the closed-loop system in a circular region within the unit circle, thus guaranteeing the closed-loop performance. The effectiveness of the proposed condition is verified in two numerical examples.
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palavras-chave
Palavras-chave
PID controller designmultivariable systemssampled-data systemsdiscrete-time controlstatic output feedbackeigenvalue placementclosed-loop stabilitystabilization
Status
Published
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