About: Structured Model Order Reduction of Parallel Models in Feedback

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://ieeexplore.ieee.org/xpl/articleDetails.jsp?tp=&arnumber=6197702&contentType=Early+Access+Articles&queryText%3DStructured+Model+Order+Reduction+of+Parallel+Models+in+Feedback
Description	Parallel working units in closed-loop operation are frequently encountered in industrial applications of advanced process control (boilers, turbines, chemical reactors, etc.). Control strategies typically require different low-order models for each configuration of parallel units. These different models are usually obtained by heuristics applied to the parallel models. To replace these heuristics, this paper proposes a systematic solution based on structured model order reduction. Two methods are considered, the first has general applicability to stable closed-loop systems, but gives no a priori error bounds; the second linear matrix inequality (LMI)-based method comes with an explicit error bounds, but cannot be applied to general models. However, it is shown that for models composed of cascades of stable subsystems and negative feedbacks of strictly positive real subsystems, the LMIs are always feasible. Both methods are demonstrated on a practical example of a cogeneration power plant with multiple boilers. It is proved that the second LMI-based method can always be applied to general problems with structures similar to the boiler-header systems considered in this paper. Parallel working units in closed-loop operation are frequently encountered in industrial applications of advanced process control (boilers, turbines, chemical reactors, etc.). Control strategies typically require different low-order models for each configuration of parallel units. These different models are usually obtained by heuristics applied to the parallel models. To replace these heuristics, this paper proposes a systematic solution based on structured model order reduction. Two methods are considered, the first has general applicability to stable closed-loop systems, but gives no a priori error bounds; the second linear matrix inequality (LMI)-based method comes with an explicit error bounds, but cannot be applied to general models. However, it is shown that for models composed of cascades of stable subsystems and negative feedbacks of strictly positive real subsystems, the LMIs are always feasible. Both methods are demonstrated on a practical example of a cogeneration power plant with multiple boilers. It is proved that the second LMI-based method can always be applied to general problems with structures similar to the boiler-header systems considered in this paper. (en)
Title	Structured Model Order Reduction of Parallel Models in Feedback Structured Model Order Reduction of Parallel Models in Feedback (en)
skos:prefLabel	Structured Model Order Reduction of Parallel Models in Feedback Structured Model Order Reduction of Parallel Models in Feedback (en)
skos:notation	RIV/68407700:21230/13:00197379!RIV14-GA0-21230___
http://linked.open...avai/predkladatel	Fakulta elektrotechnická
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GAP103/11/1353)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Řehoř, Jiří Havlena, Vladimír
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta elektrotechnická
http://linked.open...dnocenehoVysledku	108429
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/13:00197379
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Closed-loop systems; linear matrix inequalities; (LMIs); linear systems; power industry; reduced order systems (en)
http://linked.open.../riv/klicoveSlovo	linear matrix inequalities (LMIs) Closed-loop systems reduced order systems power industry linear systems
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[3B71D22C3FCF]
http://linked.open...i/riv/nazevZdroje	IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY
http://linked.open...in/vavai/riv/obor	BC
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	State Estimation of Dynamic Stochastic Systems
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	21
http://linked.open...iv/tvurceVysledku	Havlena, Vladimír Řehoř, Jiří Trnka, P. Sandberg, H. Sturk, Ch.
http://linked.open...ain/vavai/riv/wos	000318591000015
issn	1063-6536
number of pages	14 (xsd:int)
http://bibframe.org/vocab/doi	10.1109/TCST.2012.2192735
http://localhost/t...ganizacniJednotka	21230

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