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Pole-Shifting Procedure do Specify the Weighting Matrices for an Optimal Voltage Regulator

Mariano, S.J.P.S. ; Pombo, J. ; Calado, M.R.A. ; Ferreira, L.A.F.M.

International Review of Automatic Control Vol. 2, Nº 6, pp. 685 - 692, November, 2009.

ISSN (print): 1974-6059
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This paper addresses the stabilization and performance of the voltage regulator by using the theory of the optimal control. Proposes a new technique, based on pole placement using optimal regulators, to overcome the difficulties of specifying the weighting matrices Q and R. The design method employs successive shifting of an either real pole or a pair of complex conjugate poles at a time. The proposed technique builds Q and R in such a way that the system's response also obeys conventional criteria for the system pole location. The effectiveness of the proposed method is illustrated by numerical examples.