Influences of shaker armature dynamics on periodic force measurement

Authors

  • Saher R. Hassan National Institute for Standards (NIS), Giza, Egypt Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116 Braunschweig, Germany
  • Christian Schlegel Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116 Braunschweig, Germany
  • Rolf Kumme Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116 Braunschweig, Germany

DOI:

https://doi.org/10.21014/acta_imeko.v8i3.553

Abstract

In this article, we investigate the influence of the shaker armature’s mechanical structure on periodic force measurement, with particular emphasis on measurement uncertainty. In order to perform modal and harmonic analyses of the measurement setup, a finite element model was iteratively developed. The model was validated by measurements with a scanning vibrometer. The results show that the dynamic behaviour of the shaker armature should be taken into consideration before carrying out a periodic force measurement.

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Published

2019-09-30

Issue

Vol. 8 No. 3 (2019)

Section

Research Papers

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