Shock measurements with a homodyne interferometer for accelerometer calibration

Sergio Rojas-Ramirez; Alfredo A. Elias-Juarez; Hans-Joachim Schlaak; Hans-Juergen von Martens

doi:10.1117/12.386722

22 May 2000 Shock measurements with a homodyne interferometer for accelerometer calibration

Sergio Rojas-Ramirez, Alfredo A. Elias-Juarez, Hans-Joachim Schlaak, Hans-Juergen von Martens

Proceedings Volume 4072, Fourth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications; (2000) https://doi.org/10.1117/12.386722
Event: 4th International Conference on Vibration Measurement by Laser Techniques, 2000, Ancona, Italy

Abstract

Measurement results about instant displacement and its associated velocity on an interferometric setup for shock calibration of accelerometers are studied; fitting methods for displacement and velocity from which peak-acceleration shock is computed, are compared using a least squares error criteria. Computation of instant parameters from interferometric signals are based on zero-crossings evaluation and their corresponding time-intervals. Voltage outputs from an accelerometer-amplifier chain are also analyzed.

Citation Download Citation

Sergio Rojas-Ramirez, Alfredo A. Elias-Juarez, Hans-Joachim Schlaak, and Hans-Juergen von Martens "Shock measurements with a homodyne interferometer for accelerometer calibration", Proc. SPIE 4072, Fourth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, (22 May 2000); https://doi.org/10.1117/12.386722

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