About: Piecewise affine approximation of nonlinear systems – a case study of a benchmark nonlinear boiler

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	If the controlled plant exhibits nonlinear behavior, linear controller based on linearized model is often unable to achieve satisfactory performance. On the other hand, the complexity of the nonlinear controller based on full nonlinear model may prevent it from practical application. PWA model that uses a set of switched partial linear models can then represent the middle way between simplifications of the linearized model and complexity of the nonlinear model. The paper uses a case study of a nonlinear power plant boiler. It shows that its complex nonlinear behavior can well be approximated with a relatively simple PWA system. Unlike one linearized model, this PWA approximation fits boiler dynamic behavior very well. As the development of model predictive control of the PWA systems has already reached a substantial level of maturity, this PWA model can be used as a basis for the design of hybrid model predictive control for this boiler. If the controlled plant exhibits nonlinear behavior, linear controller based on linearized model is often unable to achieve satisfactory performance. On the other hand, the complexity of the nonlinear controller based on full nonlinear model may prevent it from practical application. PWA model that uses a set of switched partial linear models can then represent the middle way between simplifications of the linearized model and complexity of the nonlinear model. The paper uses a case study of a nonlinear power plant boiler. It shows that its complex nonlinear behavior can well be approximated with a relatively simple PWA system. Unlike one linearized model, this PWA approximation fits boiler dynamic behavior very well. As the development of model predictive control of the PWA systems has already reached a substantial level of maturity, this PWA model can be used as a basis for the design of hybrid model predictive control for this boiler. (en)
Title	Piecewise affine approximation of nonlinear systems – a case study of a benchmark nonlinear boiler Piecewise affine approximation of nonlinear systems – a case study of a benchmark nonlinear boiler (en)
skos:prefLabel	Piecewise affine approximation of nonlinear systems – a case study of a benchmark nonlinear boiler Piecewise affine approximation of nonlinear systems – a case study of a benchmark nonlinear boiler (en)
skos:notation	RIV/46747885:24220/09:#0001222!RIV10-GA0-24220___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA101/07/1667)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Horálek, Radek Hlava, Jaroslav
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Technická univerzita v Liberci / Fakulta mechatroniky, informatiky a mezioborových studií
http://linked.open...dnocenehoVysledku	333467
http://linked.open...ai/riv/idVysledku	RIV/46747885:24220/09:#0001222
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Hybrid systems; piecewise affine systems; approximation of nonlinear systems (en)
http://linked.open.../riv/klicoveSlovo	Hybrid systems approximation of nonlinear systems piecewise affine systems
http://linked.open...ontrolniKodProRIV	[71B1F52A19E3]
http://linked.open...v/mistoKonaniAkce	Janov (Itálie)
http://linked.open...i/riv/mistoVydani	Janov (Itálie)
http://linked.open...i/riv/nazevZdroje	Recent Advances in System Science and Simulation in Engineering
http://linked.open...in/vavai/riv/obor	BC
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Operation Secured Advanced Control of Thermal Heat and Power Plants
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Hlava, Jaroslav Horálek, Radek
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2009-01-01 (xsd:date)
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	WSEAS Press
https://schema.org/isbn	978-960-474-131-1
http://localhost/t...ganizacniJednotka	24220

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