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Force Measurements in Vibration and Acoustic Tests

Terry D. Scharton

Abstract

The advent of triaxial, piezoelectric force gages and the associated signal processing is a precursor to several dynamics testing innovations. This new technology is applicable to spacecraft programs that JPL manages. An application of force measurement is force limiting (when testing spacecraft in random vibration tests). Base-drive and acoustic modal testing is a potential application.

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Available abstract

Key concepts: Spacecraft, Vibration, Acoustics, Limiting, Modal, Signal processing, Engineering, Piezoelectricity