About: Efficiency-optimized Designs of Vibration Control and Energy Harvesting Devices

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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)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In the semi-active vibration control device, the piezoelectric actuator is attached to the vibrating structure and connected to an active analog electrical shunt that behaves as a negative capacitor. The word %22active%22 means that the electrical shunt consists of a electrical source and the operational amplifier. The energy harvesting device consists of the piezoelectric actuator attached to the vibrating structure and connected to a passive diode rectifier with charge storage. It is seen that although the two aforementioned devices are designed for a different purpose, they have the same system topology and they differ only in the direction of the electric energy flow. In this paper, there will be analyzed strengths and weaknesses of the typical realizations of the energy harvesting and semi-active vibration control devices and discussed principles that can enhance their efficiency. Optimized concepts that eliminate weaknesses of the aforementioned devices will be presented. In the semi-active vibration control device, the piezoelectric actuator is attached to the vibrating structure and connected to an active analog electrical shunt that behaves as a negative capacitor. The word %22active%22 means that the electrical shunt consists of a electrical source and the operational amplifier. The energy harvesting device consists of the piezoelectric actuator attached to the vibrating structure and connected to a passive diode rectifier with charge storage. It is seen that although the two aforementioned devices are designed for a different purpose, they have the same system topology and they differ only in the direction of the electric energy flow. In this paper, there will be analyzed strengths and weaknesses of the typical realizations of the energy harvesting and semi-active vibration control devices and discussed principles that can enhance their efficiency. Optimized concepts that eliminate weaknesses of the aforementioned devices will be presented. (en)
Title	Efficiency-optimized Designs of Vibration Control and Energy Harvesting Devices Efficiency-optimized Designs of Vibration Control and Energy Harvesting Devices (en)
skos:prefLabel	Efficiency-optimized Designs of Vibration Control and Energy Harvesting Devices Efficiency-optimized Designs of Vibration Control and Energy Harvesting Devices (en)
skos:notation	RIV/46747885:24220/09:#0001262!RIV10-GA0-24220___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA101/08/1279)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Kodejška, Miloš Černík, Martin Mokrý, Pavel Václavík, Jan Borovec, Jiří
http://linked.open.../riv/druhVysledku	A(V) - Audiovizuální tvorba se vzdáleným přístupem
http://linked.open...iv/duvernostUdaju	U - Předmět řešení projektu je utajovanou skutečností podle zvláštních právních předpisů nebo je skutečností, jejíž zveřejnění by mohlo ohrozit činnost zpravodajské služby. Dodané daje jsou upraveny tak, aby byly zveřejnitelné
http://linked.open...titaPredkladatele	Technická univerzita v Liberci / Fakulta mechatroniky, informatiky a mezioborových studií
http://linked.open...dnocenehoVysledku	312500
http://linked.open...ai/riv/idVysledku	RIV/46747885:24220/09:#0001262
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Piezoelectric actuator; Vibration control; Energy harvesting; Negative capacitor; AC/DC transducer (en)
http://linked.open.../riv/klicoveSlovo	Energy harvesting Negative capacitor Vibration control Piezoelectric actuator AC/DC transducer
http://linked.open...i/riv/kodPristupu	L
http://linked.open...ontrolniKodProRIV	[EDD0EF8521E8]
http://linked.open...i/riv/mistoVydani	Xian, People's Republic of China
http://linked.open...n/vavai/riv/nosic	IMF-ISAF-2009
http://linked.open...telVyzkumneZpravy	Electronic Materials Research Laboratory of Xi’an Jiaotong University, Xi'an 710049, People's Republic of China
http://linked.open...in/vavai/riv/obor	BI
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Modern methods for noise and vibration suppression using piezoelectric materials
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Kodejška, Miloš Mokrý, Pavel Václavík, Jan Černík, Martin Borovec, Jiří
http://linked.open...rzeVyzkumneZpravy	2
http://localhost/t...ganizacniJednotka	24220

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