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Zero-pole and Padé finite-dimensional reduction of delayed controllers: A comparative study

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dc.title Zero-pole and Padé finite-dimensional reduction of delayed controllers: A comparative study en Pekař, Libor Prokop, Roman
dc.relation.ispartof International Journal of Mathematical Models and Methods in Applied Sciences
dc.identifier.issn 1998-0140 OCLC, Ulrich, Sherpa/RoMEO, JCR 2013
utb.relation.volume 7
utb.relation.issue 7
dc.citation.spage 728
dc.citation.epage 735
dc.type article
dc.language.iso en
dc.publisher North Atlantic University Union (NAUN) en
dc.subject Algebraic control methods en
dc.subject Circuit heating plant en
dc.subject Controller simplification en
dc.subject Delayed controllers en
dc.subject Matlab-Simulink en
dc.subject Padé approximation en
dc.subject Rational approximation en
dc.subject Time-delay systems en
dc.subject Two feedback controllers en
dc.description.abstract A comparative study of two approaches for simplification and rationalization of controllers with internal delays is presented in this paper. Delayed (or so-called anisochronic) controllers result from the use of compensatory or predictive control methods for time-delay systems. In this study - where the aim is to match the original infinite-dimensional controller with a simple finite-dimensional one - the Padé approximation of the whole transfer function and the methodology preserving dominant poles and zeros and asymptotic behavior are introduced and compared. Control of a circuit laboratory heating plant with delays in a special ring or proper and stable meromorphic functions is taken as an example for the comparison. The simple negative control feedback system and a control structure with two feedback controllers are implemented. Besides simulation results, real measurements on the laboratory appliance are presented as well. en
utb.faculty Faculty of Applied Informatics
utb.identifier.obdid 43870261
utb.identifier.scopus 2-s2.0-84886701447
utb.source j-scopus 2013-11-29T09:49:05Z 2013-11-29T09:49:05Z
utb.contributor.internalauthor Pekař, Libor
utb.contributor.internalauthor Prokop, Roman
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