About: Wall-plug efficiency analysis of semi-active piezoelectric shunt damping systems

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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://jvc.sagepub.com/content/early/2014/09/17/1077546314548910
Description	Analysis of the wall-plug efficiency, i.e. the ratio of reflected and absorbed acoustic power over the total electric input power,of semi-active vibration control devices based on the principle of the active piezoelectric shunt damping is presented.The vibration suppression element in the considered vibration control device consists of a piezoelectric actuator, which is connected to the active synthetic impedance shunt circuit that emulates a negative capacitance.Two types of power amplifiers can be used in the implementation of the synthetic impedance:linear (class B, AB) and switching (class D).Using both implementations of the synthetic impedance, a decrease in the transmissibility of vibration by about 30 dB in narrow frequency ranges around 500 Hz, 700 Hz, 900 Hz, and 1.1 kHz has been achieved.The mechanical input power transferred from the source of vibration to the vibration control system, the electric power flow from the piezoelectric actuator to the active shunt impedance. Analysis of the wall-plug efficiency, i.e. the ratio of reflected and absorbed acoustic power over the total electric input power,of semi-active vibration control devices based on the principle of the active piezoelectric shunt damping is presented.The vibration suppression element in the considered vibration control device consists of a piezoelectric actuator, which is connected to the active synthetic impedance shunt circuit that emulates a negative capacitance.Two types of power amplifiers can be used in the implementation of the synthetic impedance:linear (class B, AB) and switching (class D).Using both implementations of the synthetic impedance, a decrease in the transmissibility of vibration by about 30 dB in narrow frequency ranges around 500 Hz, 700 Hz, 900 Hz, and 1.1 kHz has been achieved.The mechanical input power transferred from the source of vibration to the vibration control system, the electric power flow from the piezoelectric actuator to the active shunt impedance. (en)
Title	Wall-plug efficiency analysis of semi-active piezoelectric shunt damping systems Wall-plug efficiency analysis of semi-active piezoelectric shunt damping systems (en)
skos:prefLabel	Wall-plug efficiency analysis of semi-active piezoelectric shunt damping systems Wall-plug efficiency analysis of semi-active piezoelectric shunt damping systems (en)
skos:notation	RIV/46747885:24220/14:#0003034!RIV15-GA0-24220___
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GA13-10365S), P(LO1206)
http://linked.open...iv/cisloPeriodika	September
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Kodejška, Miloš Mokrý, Pavel Václavík, 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	Technická univerzita v Liberci / Fakulta mechatroniky, informatiky a mezioborových studií
http://linked.open...dnocenehoVysledku	55932
http://linked.open...ai/riv/idVysledku	RIV/46747885:24220/14:#0003034
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Piezoelectric shunt damping; vibration isolation; negative capacitor; wall-plug efficiency; mechanical power measurement; power supply optimization (en)
http://linked.open.../riv/klicoveSlovo	vibration isolation Piezoelectric shunt damping mechanical power measurement negative capacitor power supply optimization wall-plug efficiency
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[5D9456BE0005]
http://linked.open...i/riv/nazevZdroje	JOURNAL OF VIBRATION AND CONTROL
http://linked.open...in/vavai/riv/obor	BI
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Planar acoustic metamaterials with the active control of acoustic impedance Modern optical systems and technologies
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	20
http://linked.open...iv/tvurceVysledku	Kodejška, Miloš Mokrý, Pavel Václavík, Jan
issn	1077-5463
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1177/1077546314548910
http://localhost/t...ganizacniJednotka	24220

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