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Statements

Subject Item
n2:RIV%2F61989100%3A27230%2F13%3A86090851%21RIV15-GA0-27230___
rdf:type
skos:Concept n19:Vysledek
rdfs:seeAlso
http://journals.agh.edu.pl/mech/article/view/1039/825
dcterms:description
The article deals with analysis of the active vibration control of a rotor which is supported by journal bearings. The oil film between the journal and bushing induces the rotor instability which causes rotor vibrations if rotational speed is greater than a threshold of the system stability. This phenomenon is very important for high-speed rotational machines for which restricts the operational range of the rotational speed. Therefore increasing the rotor stability threshold is very important for preventing rotor vibrations. The rotor instability results in lateral vibrations which are do not conform to the forces of the unbalanced masses or other external forces. The frequency of the lateral vibration is slightly less than half of the rotational frequency. The main result of the article is the analytical determination of the influence of the setting of the PD type controller on the threshold of stability. The article deals with analysis of the active vibration control of a rotor which is supported by journal bearings. The oil film between the journal and bushing induces the rotor instability which causes rotor vibrations if rotational speed is greater than a threshold of the system stability. This phenomenon is very important for high-speed rotational machines for which restricts the operational range of the rotational speed. Therefore increasing the rotor stability threshold is very important for preventing rotor vibrations. The rotor instability results in lateral vibrations which are do not conform to the forces of the unbalanced masses or other external forces. The frequency of the lateral vibration is slightly less than half of the rotational frequency. The main result of the article is the analytical determination of the influence of the setting of the PD type controller on the threshold of stability.
dcterms:title
Active Rotor Vibration Control Active Rotor Vibration Control
skos:prefLabel
Active Rotor Vibration Control Active Rotor Vibration Control
skos:notation
RIV/61989100:27230/13:86090851!RIV15-GA0-27230___
n3:aktivita
n10:P
n3:aktivity
P(GAP101/12/2520)
n3:cisloPeriodika
2
n3:dodaniDat
n7:2015
n3:domaciTvurceVysledku
n12:9087419 n12:4769287
n3:druhVysledku
n13:J
n3:duvernostUdaju
n4:S
n3:entitaPredkladatele
n9:predkladatel
n3:idSjednocenehoVysledku
59401
n3:idVysledku
RIV/61989100:27230/13:86090851
n3:jazykVysledku
n15:eng
n3:klicovaSlova
journal bearings; rotor vibration; active vibration control
n3:klicoveSlovo
n6:active%20vibration%20control n6:rotor%20vibration n6:journal%20bearings
n3:kodStatuVydavatele
PL - Polská republika
n3:kontrolniKodProRIV
[8C891BEF39ED]
n3:nazevZdroje
Mechanics and Control
n3:obor
n11:BC
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
3
n3:projekt
n17:GAP101%2F12%2F2520
n3:rokUplatneniVysledku
n7:2013
n3:svazekPeriodika
32
n3:tvurceVysledku
Vítečková, Miluše Víteček, Antonín Tůma, Jiří
s:issn
2300-7079
s:numberOfPages
5
n20:doi
10.7494/mech.2013.32.2.77
n5:organizacniJednotka
27230