About: Measurement of Mechanical and Electrical Energy Flows in the Semiactive Piezoelectric Shunt Damping System

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About: Measurement of Mechanical and Electrical Energy Flows in the Semiactive Piezoelectric Shunt Damping System Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A semiactive vibration control system with a piezoelectric element and a negative impedance circuit was successfully realized. Properly set negative impedance can change the effective elasticity of the piezoelectric element and, therefore, it can change the ratio between transmitted, reflected and absorbed energy of the mechanical vibrations. Reflecting or absorbing the incident vibration energy results in the complete mechanical isolation of a given object. Recent efforts are focused on broadening the effective frequency range and improving the energy consumption efficiency of such systems. Energy consumption efficiency is an important factor in battery-powered service-free applications. The paper presents results of a theoretical analysis of the mechanical energy flow in the vibration control system. Results of the theoretical analysis are compared with results of measurements taken on the system composed of the bulk piezoelectric actuator connected to the negative impedance control circuit. A semiactive vibration control system with a piezoelectric element and a negative impedance circuit was successfully realized. Properly set negative impedance can change the effective elasticity of the piezoelectric element and, therefore, it can change the ratio between transmitted, reflected and absorbed energy of the mechanical vibrations. Reflecting or absorbing the incident vibration energy results in the complete mechanical isolation of a given object. Recent efforts are focused on broadening the effective frequency range and improving the energy consumption efficiency of such systems. Energy consumption efficiency is an important factor in battery-powered service-free applications. The paper presents results of a theoretical analysis of the mechanical energy flow in the vibration control system. Results of the theoretical analysis are compared with results of measurements taken on the system composed of the bulk piezoelectric actuator connected to the negative impedance control circuit. (en)
Title	Measurement of Mechanical and Electrical Energy Flows in the Semiactive Piezoelectric Shunt Damping System Measurement of Mechanical and Electrical Energy Flows in the Semiactive Piezoelectric Shunt Damping System (en)
skos:prefLabel	Measurement of Mechanical and Electrical Energy Flows in the Semiactive Piezoelectric Shunt Damping System Measurement of Mechanical and Electrical Energy Flows in the Semiactive Piezoelectric Shunt Damping System (en)
skos:notation	RIV/46747885:24220/10:#0001735!RIV11-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	2011
http://linked.open...aciTvurceVysledku	Mokrý, Pavel Václavík, Jan
http://linked.open.../riv/druhVysledku	A(V) - Audiovizuální tvorba se vzdáleným přístupem
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	270024
http://linked.open...ai/riv/idVysledku	RIV/46747885:24220/10:#0001735
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Vibration control; Piezoelectric shunt damping; Negative capacitor; Electric power consumption (en)
http://linked.open.../riv/klicoveSlovo	Negative capacitor Piezoelectric shunt damping Vibration control Electric power consumption
http://linked.open...i/riv/kodPristupu	L
http://linked.open...ontrolniKodProRIV	[87F06B04AE55]
http://linked.open...i/riv/mistoVydani	Edinburgh, SCOTLAND, AUG 09-12, 2010
http://linked.open...n/vavai/riv/nosic	ISAF-ECAPD-2010
http://linked.open...telVyzkumneZpravy	Heriot-Watt University, Edinburgh, Scotland, UK EH14 4AS
http://linked.open...in/vavai/riv/obor	BI
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Modern methods for noise and vibration suppression using piezoelectric materials
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Mokrý, Pavel Václavík, Jan
http://localhost/t...ganizacniJednotka	24220

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