About: Experimental methods for testing active element of piezoelectric knock sensor by using temperature dependences

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About: Experimental methods for testing active element of piezoelectric knock sensor by using temperature dependences Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The paper describes experimental researches on vibration piezoelectric sensor. The main aim of work is to compare temperature effect on piezoelectric material coefficients, the influence on the resonant frequency of piezoelectric knock sensor and changes these parameters on the sensitivity and accuracy of sensors. The purpose of the research is to fault diagnosis of active piezoelectric element for self-diagnostics of sensor in normal engine operation, because online health monitoring of knock sensors can prevent engine damage. Temperature changes significantly affect the material properties of the active element from PZT ceramics. Temperature deviations are compared on the impedance characteristics in the working temperature range of engine and also related to different types of sensor damage. Depending on the material defects (microcracks, fissure) and changes in the material coefficients related to the frequency characteristic can assess the degree of damage sensors and the prediction quality piez The paper describes experimental researches on vibration piezoelectric sensor. The main aim of work is to compare temperature effect on piezoelectric material coefficients, the influence on the resonant frequency of piezoelectric knock sensor and changes these parameters on the sensitivity and accuracy of sensors. The purpose of the research is to fault diagnosis of active piezoelectric element for self-diagnostics of sensor in normal engine operation, because online health monitoring of knock sensors can prevent engine damage. Temperature changes significantly affect the material properties of the active element from PZT ceramics. Temperature deviations are compared on the impedance characteristics in the working temperature range of engine and also related to different types of sensor damage. Depending on the material defects (microcracks, fissure) and changes in the material coefficients related to the frequency characteristic can assess the degree of damage sensors and the prediction quality piez (en)
Title	Experimental methods for testing active element of piezoelectric knock sensor by using temperature dependences Experimental methods for testing active element of piezoelectric knock sensor by using temperature dependences (en)
skos:prefLabel	Experimental methods for testing active element of piezoelectric knock sensor by using temperature dependences Experimental methods for testing active element of piezoelectric knock sensor by using temperature dependences (en)
skos:notation	RIV/00216305:26620/13:PU103689!RIV14-MSM-26620___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(ED1.1.00/02.0068), P(EE2.3.20.0029), P(EE2.3.30.0005), S
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Beneš, Petr Havránek, Zdeněk Klusáček, Stanislav Fialka, Jiří
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Středoevropský technologický institut
http://linked.open...dnocenehoVysledku	74091
http://linked.open...ai/riv/idVysledku	RIV/00216305:26620/13:PU103689
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Technical diagnostics, condition monitoring, sensor self-diagnostic, vibration, accelerometer, piezoelectric sensor, knock sensor, calibration, piezoceramic, cracks, microcracks, impedance measurement, frequency response (en)
http://linked.open.../riv/klicoveSlovo	cracks microcracks calibration frequency response vibration knock sensor Technical diagnostics piezoceramic sensor self-diagnostic condition monitoring accelerometer impedance measurement piezoelectric sensor
http://linked.open...ontrolniKodProRIV	[E730A366320F]
http://linked.open...v/mistoKonaniAkce	Bangkok
http://linked.open...i/riv/mistoVydani	US
http://linked.open...i/riv/nazevZdroje	Proceedings of the 20th International Congress on Sound and Vibration
http://linked.open...in/vavai/riv/obor	JB
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Support of the Development of High-Quality Teams in R&D in the Field of Material Science Central european institute of technology Support of Interdisciplinary Excellence Research Teams Establishment at BUT
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Beneš, Petr Fialka, Jiří Havránek, Zdeněk Klusáček, Stanislav
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2013-07-07 (xsd:date)
number of pages	7 (xsd:int)
http://purl.org/ne...btex#hasPublisher	International Institute of Acoustic and Vibration
https://schema.org/isbn	978-616-551-682-2
http://localhost/t...ganizacniJednotka	26620

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