Analysis Tools for Vibrations Tests

Details Analysis Tools for Vibrations Tests Analysis Tools for Vibrations Tests

Aug 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004esasp.558...77p&link_type=abstract

Proceedings of the 5th International Symposium on Environmental Testing for Space Programmes Noordwijk, The Netherlands (ESA SP-

Computer Science

1

Scientific paper

This paper presents two industrial tools for vibration tests. First, the automatic test comparison is described : it allows to compare two measurement sets coming from two different tests, in order to identify non-linearities, frequency shifts or set-up problems. Measurement points with large discrepancies are immediately identified, whatever is the number of analyzed channels. The notching technique is then presented. The aim is to establish a test specification taking into account response level limits to avoid specimen over-testing. Two methods are described: direct limitation of levels and global limitation on the entire frequency band. These tools are implemented in the DynaWorks software and were developed in association with ESA- ESTEC.

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