Analysis of operational deflection shapes of the shaker armature near upper frequency limit

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26220%2F13%3APU105348" target="_blank" >RIV/00216305:26220/13:PU105348 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Analysis of operational deflection shapes of the shaker armature near upper frequency limit
Original language description
The paper deals with practical analysis of operational deflection shape of the top surface of the electrodynamic shaker armature near upper frequency limit below main resonance. The vibration test system with maximal sine force of 35 kN has been examinedfor excessive difference of vertical vibration acceleration between the center of circular shaker armature with diameter of 640 mm and its edges. With the control accelerometer in the center of the armature, there was thirty times higher acceleration onthe edges at upper frequency limit of the shaker (2000 Hz). This difference has been firstly examined by contact measurement with piezoelectric accelerometers in certain points and afterwards with single point laser Doppler vibrometer enhanced with galvo-mirror system for the fast scanning of the whole armature surface. With scanning measurement procedure the operational deflection shape of the armature has been evaluated during sine force excitation of the vibration system. Detected de
Czech name
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Czech description
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Publication year
2013
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Proceedings of the 20th International Congress on Sound and Vibration
ISBN
978-616-551-682-2
ISSN
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e-ISSN
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Number of pages
8
Pages from-to
1-8
Publisher name
International Institute of Acoustic and Vibration
Place of publication
USA
Event location
Bangkok
Event date
Jul 7, 2013
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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