An electrodynamic shaker with an integral force gauge for high-frequency measurements on lightweight structures


Grice, R.M. and Pinnington, R.J. (2000) An electrodynamic shaker with an integral force gauge for high-frequency measurements on lightweight structures. Proceedings of the Institution of Mechanical Engineers, Part C, 214, (10), 1285-1297.

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Description/Abstract

The design, construction and calibration of a purpose-built electrodynamic shaker for making frequency response function measurements on lightweight structures at high frequencies (i.e. many kHz) are described. The shaker uses a conventional wire-wound coil onto which is assembled a force gauge. The force gauge is constructed using little more than just a miniature piece of piezoelectric material. The dimensions of the components used to manufacture the shaker are determined by comparing their estimated dynamic behaviour with the estimated mobility of a lightweight perspex test structure. Although such an electrodynamic shaker is not entirely novel, it demonstrates how careful use of basic materials can produce a device that overcomes some limitations of commercial devices at very little cost.

Item Type: Article
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Keywords: electrodynamic; shaker; frequency; response; function; lightweight; structures; force; gauge
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: University Structure - Pre August 2011 > Institute of Sound and Vibration Research > Dynamics
ePrint ID: 9943
Date Deposited: 15 Nov 2004
Last Modified: 27 Mar 2014 18:02
URI: http://eprints.soton.ac.uk/id/eprint/9943

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