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Parametrization of identity interactors and the discrete-time all-pass property

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3 Author(s)
Sugimoto, K. ; Dept. of Inf. Technol., Okayama Univ., Japan ; Yi Liu ; Inoue, A.

This paper gives a concise parametrization of all identity interactors of a discrete-time multivariable square system. This is performed by means of a state-space description computed from a given particular interactor of the system. The paper then proposes a selection of the parameter which leads to an all-pass closed-loop transfer matrix. This closed-loop system turns out to be equivalent to a certain LQ (linear quadratic) optimal feedback system. A numerical example is given to illustrate the results

Published in:

American Control Conference, Proceedings of the 1995  (Volume:6 )

Date of Conference:

21-23 Jun 1995