About: Active Rotor Vibration Control

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://journals.agh.edu.pl/mech/article/view/1039/825
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. (en)
Title	Active Rotor Vibration Control Active Rotor Vibration Control (en)
skos:prefLabel	Active Rotor Vibration Control Active Rotor Vibration Control (en)
skos:notation	RIV/61989100:27230/13:86090851!RIV15-GA0-27230___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GAP101/12/2520)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Tůma, Jiří Vítečková, Miluše
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	Vysoká škola báňská - Technická univerzita Ostrava / Fakulta strojní
http://linked.open...dnocenehoVysledku	59401
http://linked.open...ai/riv/idVysledku	RIV/61989100:27230/13:86090851
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	journal bearings; rotor vibration; active vibration control (en)
http://linked.open.../riv/klicoveSlovo	active vibration control journal bearings rotor vibration
http://linked.open...odStatuVydavatele	PL - Polská republika
http://linked.open...ontrolniKodProRIV	[8C891BEF39ED]
http://linked.open...i/riv/nazevZdroje	Mechanics and Control
http://linked.open...in/vavai/riv/obor	BC
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Active vibration damping of rotor with the use of parametric excitation of journal bearings
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	32
http://linked.open...iv/tvurceVysledku	Tůma, Jiří Víteček, Antonín Vítečková, Miluše
issn	2300-7079
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.7494/mech.2013.32.2.77
http://localhost/t...ganizacniJednotka	27230

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