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Statements

Subject Item
n2:RIV%2F46747885%3A24220%2F09%3A%230001226%21RIV10-MSM-24220___
rdf:type
skos:Concept n20:Vysledek
dcterms:description
The problem of modeling and control of a three-stage steam reheating process is considered. Its mathematical model is marked by considerable nonlinearity. Moreover, switching of dynamic behavior occurs as individual reheat stages are bypassed depending on the value of manipulated variable. Consequently, there is a little chance that replacing the traditional control system based on cascade PID/PI loops with advanced control methods based on single linearized model may bring any performance improvement. However, both of these features make the steam reheating process a suitable object of modeling with a hybrid model in the form of a PWA system. Hybrid MPC based on this model then becomes a promising candidate approach to control. This paper describes the results of PWA modeling of the steam reheating process. A good agreement of responses between PWA model and nonlinear first principles model is shown. Following the development of this model, the design of a hybrid MPC controller is outlined. The problem of modeling and control of a three-stage steam reheating process is considered. Its mathematical model is marked by considerable nonlinearity. Moreover, switching of dynamic behavior occurs as individual reheat stages are bypassed depending on the value of manipulated variable. Consequently, there is a little chance that replacing the traditional control system based on cascade PID/PI loops with advanced control methods based on single linearized model may bring any performance improvement. However, both of these features make the steam reheating process a suitable object of modeling with a hybrid model in the form of a PWA system. Hybrid MPC based on this model then becomes a promising candidate approach to control. This paper describes the results of PWA modeling of the steam reheating process. A good agreement of responses between PWA model and nonlinear first principles model is shown. Following the development of this model, the design of a hybrid MPC controller is outlined.
dcterms:title
Hybrid modelling and control of a power plant three-stage reheater Hybrid modelling and control of a power plant three-stage reheater
skos:prefLabel
Hybrid modelling and control of a power plant three-stage reheater Hybrid modelling and control of a power plant three-stage reheater
skos:notation
RIV/46747885:24220/09:#0001226!RIV10-MSM-24220___
n4:aktivita
n13:P
n4:aktivity
P(1M06059)
n4:dodaniDat
n9:2010
n4:domaciTvurceVysledku
n14:4060628
n4:druhVysledku
n21:D
n4:duvernostUdaju
n7:S
n4:entitaPredkladatele
n6:predkladatel
n4:idSjednocenehoVysledku
318085
n4:idVysledku
RIV/46747885:24220/09:#0001226
n4:jazykVysledku
n10:eng
n4:klicovaSlova
power plant reheater; power plant control
n4:klicoveSlovo
n5:power%20plant%20control n5:power%20plant%20reheater
n4:kontrolniKodProRIV
[FCF2F5B86444]
n4:mistoKonaniAkce
Zaragoza
n4:mistoVydani
Amsterdam
n4:nazevZdroje
Proceedings of the 3rd IFAC Conference on Analysis and Design of Hybrid Systems
n4:obor
n19:JE
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
1
n4:projekt
n11:1M06059
n4:rokUplatneniVysledku
n9:2009
n4:tvurceVysledku
Hlava, Jaroslav
n4:typAkce
n15:WRD
n4:zahajeniAkce
2009-01-01+01:00
s:numberOfPages
6
n16:hasPublisher
Elsevier
n18:isbn
978-3-902661-59-3
n17:organizacniJednotka
24220