Primary accelerometer calibration problems due to vibration exciters

Primary accelerometer calibration problems due to vibration exciters

The purpose of this paper is to review and discuss the main problems that occur in primary accelerometer calibration due to the use of imperfect vibration exciters. These problems include low moving element stiffness, heating of the accelerometer under calibration, rocking and transverse motion, res...

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Veröffentlicht in:Measurement : journal of the International Measurement Confederation 2009-11, Vol.42 (9), p.1363-1369
Hauptverfasser: Ripper, Gustavo P., Dias, Ronaldo S., Garcia, Guilherme A.
Format: Artikel
Sprache:eng
Schlagworte:
Accelerometer
Laser interferometry
Metrology
Primary calibration
Shaker
Vibration
Vibration exciter
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Beschreibung
Zusammenfassung:The purpose of this paper is to review and discuss the main problems that occur in primary accelerometer calibration due to the use of imperfect vibration exciters. These problems include low moving element stiffness, heating of the accelerometer under calibration, rocking and transverse motion, resonances, harmonic distortion and noise. Methods undertaken to minimize the effects of such problems are discussed and some calibration results are presented herein.
ISSN:0263-2241
1873-412X
DOI:10.1016/j.measurement.2009.05.002