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Calibrated noncontact exciters for optical modal analysis
Luleå tekniska universitet.
1996 (English)In: Shock and Vibration, ISSN 1070-9622, E-ISSN 1875-9203, Vol. 3, no 2, p. 107-115Article in journal (Refereed) Published
Abstract [en]

Two types of exciters were investigated experimentally. One of the exciters uses a small permanent magnet fastened on the object. The force is introduced by the change in the electromagnetic field from a coil via an air gap. The second exciter is an eddy-current electromagnet one. The amplitude of the forces from these exciters are calibrated by using dynamic reciprocity in conjunction with electronic holography. These forces strongly depend upon the distance between the exciter and the object.

Place, publisher, year, edition, pages
1996. Vol. 3, no 2, p. 107-115
National Category
Applied Mechanics
Research subject
Experimental Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-4456Local ID: 2651c500-cab4-11dd-9935-000ea68e967bOAI: oai:DiVA.org:ltu-4456DiVA: diva2:977329
Note
Godkänd; 1996; 20081215 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-21Bibliographically approved

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