About: Measurement of Vibration Mode Structure for Adaptive Vibration Suppression System by Digital Holography

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=6748749&url=http%3A%2F%2Fieeexplore.ieee.org%2Fiel7%2F6737778%2F6748653%2F06748749.pdf%3Farnumber%3D6748749
Description	Previously the frequency-shifted digital holographic interferometry (FSDHI) for measurement of vibration amplitudes in range of nanometers was introduced and verified by authors. The method FSDHI addressed some of the drawbacks of the conventional methods and was used mainly for piezoelectric transformer vibration amplitudes and mode structures measurement. The limiting factor for application of this method is the maximal measured value of the vibration amplitude without the risk of ambiguity. The value is approximately 80nm for the frequency doubled Nd: YAG line. Since FSDHI enables us to precisely measure vibration amplitudes over the whole inspected area with very high lateral resolution, it could also be a very useful tool for measurement of vibration amplitudes and mode structures for research in the field of adaptive suppression systems. Such a measurement would provide a necessary feedback about the system behavior. This was the reason why we put an effort to the modification of the FSDHI method with the aim of increasing the dynamic range while keeping its precision. The main difference is in an innova-tive data processing technique based on recurrence relationship of the first kind Bessel functions. Finally a measurement method called high dynamic range - frequency shifted digital holographic interferometry (HDRFSDHI) was developed. The method has ability to measure in a nearly ar-bitrary measurement range of amplitudes. The HDR-FSDHI method was applied on a vibration amplitudes measurement of a window. The window is used as a vibration system model where the vibrations are suppressing by attached piezoelectric macro fiber composite (MFC) actuators shunted by active circuits with a negative capacitance. The paper presents the basic principle of the method, the experimental setup and illustrative results of measurements. Previously the frequency-shifted digital holographic interferometry (FSDHI) for measurement of vibration amplitudes in range of nanometers was introduced and verified by authors. The method FSDHI addressed some of the drawbacks of the conventional methods and was used mainly for piezoelectric transformer vibration amplitudes and mode structures measurement. The limiting factor for application of this method is the maximal measured value of the vibration amplitude without the risk of ambiguity. The value is approximately 80nm for the frequency doubled Nd: YAG line. Since FSDHI enables us to precisely measure vibration amplitudes over the whole inspected area with very high lateral resolution, it could also be a very useful tool for measurement of vibration amplitudes and mode structures for research in the field of adaptive suppression systems. Such a measurement would provide a necessary feedback about the system behavior. This was the reason why we put an effort to the modification of the FSDHI method with the aim of increasing the dynamic range while keeping its precision. The main difference is in an innova-tive data processing technique based on recurrence relationship of the first kind Bessel functions. Finally a measurement method called high dynamic range - frequency shifted digital holographic interferometry (HDRFSDHI) was developed. The method has ability to measure in a nearly ar-bitrary measurement range of amplitudes. The HDR-FSDHI method was applied on a vibration amplitudes measurement of a window. The window is used as a vibration system model where the vibrations are suppressing by attached piezoelectric macro fiber composite (MFC) actuators shunted by active circuits with a negative capacitance. The paper presents the basic principle of the method, the experimental setup and illustrative results of measurements. (en)
Title	Measurement of Vibration Mode Structure for Adaptive Vibration Suppression System by Digital Holography Measurement of Vibration Mode Structure for Adaptive Vibration Suppression System by Digital Holography (en)
skos:prefLabel	Measurement of Vibration Mode Structure for Adaptive Vibration Suppression System by Digital Holography Measurement of Vibration Mode Structure for Adaptive Vibration Suppression System by Digital Holography (en)
skos:notation	RIV/46747885:24220/13:#0002852!RIV14-MSM-24220___
http://linked.open...avai/predkladatel	Fakulta mechatroniky, informatiky a mezioborových studií
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Kopecký, Václav Lédl, Vít Doleček, Roman Psota, Pavel
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	Technická univerzita v Liberci / Fakulta mechatroniky, informatiky a mezioborových studií
http://linked.open...dnocenehoVysledku	86850
http://linked.open...ai/riv/idVysledku	RIV/46747885:24220/13:#0002852
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	digital holography; vibration measurement; vibration suppression (en)
http://linked.open.../riv/klicoveSlovo	vibration measurement digital holography vibration suppression
http://linked.open...ontrolniKodProRIV	[2E0EAC88D300]
http://linked.open...v/mistoKonaniAkce	Praha
http://linked.open...i/riv/mistoVydani	Praha
http://linked.open...i/riv/nazevZdroje	2013 ISAF-PFM Proceedings
http://linked.open...in/vavai/riv/obor	JB
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Doleček, Roman Kopecký, Václav Lédl, Vít Mokrý, Pavel Psota, Pavel
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2013-01-01 (xsd:date)
number of pages	3 (xsd:int)
http://bibframe.org/vocab/doi	10.1109/ISAF.2013.6748749
http://purl.org/ne...btex#hasPublisher	Neuveden
https://schema.org/isbn	9781467359948
http://localhost/t...ganizacniJednotka	24220

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