2011
DOI: 10.1590/s0103-17592011000300004
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Minimização do custo H∞ de sistemas incertos discretos no tempo com atraso nos estados

Abstract: Neste trabalho são investigados sistemas lineares incertos e discretos no tempo com atraso variante no tempo afetando o vetor de estados. É considerado que as incertezas são representadas em um domínio politópico e que elas podem estar presentes em todas as matrizes do modelo do sistema. Condições expressas como Desigualdades Matriciais Lineares (LMIs, do inglês Linear Matrix Inequalities) são propostas para o cômputo do custo garantido H∞ e para a síntese de ganhos robustos de realimentação de estados que min… Show more

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“…Choosing G = − 1 k I q such a block can be simplified as I q + G + G T [? ], [12]. Besides, we verify…”
Section: D(α R)-stabilization and H ∞ -Guaranteed Costmentioning
confidence: 63%
See 1 more Smart Citation
“…Choosing G = − 1 k I q such a block can be simplified as I q + G + G T [? ], [12]. Besides, we verify…”
Section: D(α R)-stabilization and H ∞ -Guaranteed Costmentioning
confidence: 63%
“…Proof: It is well known [11] that the change basis matrix that relates system with matrices in (12) with system in (19)-(20) is given by Q(τ, α, r) =ČC −1 , withČ and C standing for the controllability matrices of (19)- (20) and (12), respectively. By construction, each of these controllability matrices are upper triangular and thus, Q(τ, α, r) =ČC −1 is also upper triangular.…”
Section: Auxiliary Systemmentioning
confidence: 99%