An analytic characterization of a stabilizing feedback for LTI plants

Andres A. Peters, Diego A. Oyarzun, Eduardo I. Silva, Mario E. Salgado

Resultado de la investigación: Capítulo del libro/informe/acta de congresoContribución a la conferenciarevisión exhaustiva

Resumen

The characterization of all stabilizing controllers via the Youla Parameterization requires prior knowledge of one stabilizing feedback. This task is trivial in the case of stable plants. In the unstable case, one needs to use a suitable design technique to obtain such a stabilizing controller. The resulting controller is usually not an explicit function of plant dynamical features. In this paper, we propose a stabilizing controller design such that the sensitivity function can be expressed as an explicit function of the non-minimum phase zeros, time delays, and unstable poles of the plant (and their directions in the multiple-input multiple-output case). These dynamical features are known to impose fundamental limitations on control performance. The results in this paper highlight their relevance since they are shown to be the minimum information required to build a stabilizing controller.

Idioma originalInglés
Título de la publicación alojada2009 European Control Conference, ECC 2009
EditorialInstitute of Electrical and Electronics Engineers Inc.
Páginas231-235
Número de páginas5
ISBN (versión digital)9783952417393
DOI
EstadoPublicada - 26 mar. 2014
Evento2009 10th European Control Conference, ECC 2009 - Budapest, Hungría
Duración: 23 ago. 200926 ago. 2009

Serie de la publicación

Nombre2009 European Control Conference, ECC 2009

Conferencia

Conferencia2009 10th European Control Conference, ECC 2009
País/TerritorioHungría
CiudadBudapest
Período23/08/0926/08/09

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