About: Experimental and theoretical analysis of auto-parametric stability of pendulum with viscous dampers

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	An experimental analysis of a dynamic absorber on a tower represented by a spherical auto-parametric pendulum is carried out. Stability of the motion in a vertical plane of two pendulum conﬁgurations is analysed with regard to the semi-trivial solution. Three different types of the resonance domain are investigated. Their main properties depend signiﬁcantly on dynamic parameters of the pendulum and of the external excitation amplitude. A special experimental frame is developed. It contains a pendulum supported by the Cardan joint and excited by a shaker. There are two magnetic units attached to the frame and to the supporting axes of rotation. They are able to reproduce linear viscous damping for both degrees of freedom. The stability of the system is analysed experimentally and compared with theoretical results. The analytical, numerical and experimental studies result in several recommendations for designers of these devices. An experimental analysis of a dynamic absorber on a tower represented by a spherical auto-parametric pendulum is carried out. Stability of the motion in a vertical plane of two pendulum conﬁgurations is analysed with regard to the semi-trivial solution. Three different types of the resonance domain are investigated. Their main properties depend signiﬁcantly on dynamic parameters of the pendulum and of the external excitation amplitude. A special experimental frame is developed. It contains a pendulum supported by the Cardan joint and excited by a shaker. There are two magnetic units attached to the frame and to the supporting axes of rotation. They are able to reproduce linear viscous damping for both degrees of freedom. The stability of the system is analysed experimentally and compared with theoretical results. The analytical, numerical and experimental studies result in several recommendations for designers of these devices. (en)
Title	Experimental and theoretical analysis of auto-parametric stability of pendulum with viscous dampers Experimental and theoretical analysis of auto-parametric stability of pendulum with viscous dampers (en)
skos:prefLabel	Experimental and theoretical analysis of auto-parametric stability of pendulum with viscous dampers Experimental and theoretical analysis of auto-parametric stability of pendulum with viscous dampers (en)
skos:notation	RIV/68378297:_____/11:00373789!RIV12-AV0-68378297
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA103/09/0094), P(IAA200710805), P(IAA200710902), Z(AV0Z20710524)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Fischer, Cyril Pospíšil, Stanislav Náprstek, Jiří
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	Ústav teoretické a aplikované mechaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	198730
http://linked.open...ai/riv/idVysledku	RIV/68378297:_____/11:00373789
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	auto-parametric pendulum; variable damping; semi-trivial stability; limit cycles (en)
http://linked.open.../riv/klicoveSlovo	auto-parametric pendulum limit cycles semi-trivial stability variable damping
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[F0E12679D3BC]
http://linked.open...i/riv/nazevZdroje	Acta Technica ČSAV
http://linked.open...in/vavai/riv/obor	JM
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Stochastic stability and transition processes in interaction of non-conservative gyroscopic systems with moving continuum Post-critical behaviour of non-linear auto-parametric systems with space symmetry Bifurcations and post-critical states of non-conservative and non-holonomic stochastic systems
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	56
http://linked.open...iv/tvurceVysledku	Fischer, Cyril Náprstek, Jiří Pospíšil, Stanislav
http://linked.open...n/vavai/riv/zamer	Time dependent response of materials, systems and environments on natural and human actions
issn	0001-7043
number of pages	20 (xsd:int)

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