APPLICATION OF A SCANNING VIBROMETER FOR THE PERIODIC CALIBRATION OF FORCE TRANSDUCERS

Christian Schlegel, G. Kiekenap, R. Kumme

Abstract

This paper describes a procedure for the dynamic calibration of force transducers using sinusoidal excitations. Thereby, the main output of such a calibration is the dynamic sensitivity: the ratio between the electrical output signal of the transducer and the acting dynamic force. The force is traced back to the mass time’s acceleration. With the aid of a scanning vibrometer, the acceleration distribution can be measured and a more realistic uncertainty for the acceleration can be given. In addition, parameter identification from the resonance behaviour can be applied.

Keywords

dynamic calibration, force transducer, acceleration measurement, parameter identification

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IMEKO-WC-2012-TC3-O8.pdf

DOI

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IMEKO TC

TC3 - Measurement of Force, Mass, Torque, and Gravity

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