Laser vibrometry measurements for dynamic testing of an inflatable strut

Pablo A. Tarazaga; Benjamin L. Grisso; Allan C. Drennan; Daniel J. Inman; W. Keats Wilkie

doi:10.1117/12.693169

21 June 2006 Laser vibrometry measurements for dynamic testing of an inflatable strut

Pablo A. Tarazaga, Benjamin L. Grisso, Allan C. Drennan, Daniel J. Inman, W. Keats Wilkie

Proceedings Volume 6345, Seventh International Conference on Vibration Measurements by Laser Techniques: Advances and Applications; 63450J (2006) https://doi.org/10.1117/12.693169
Event: Seventh International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, 2006, Ancona, Italy

Abstract

Composite booms are an emerging low weight structural alternative for on-orbit satellites. With any satellite, vibrational control of the structure is a concern. Using traditional measurement techniques, possible inaccuracies may result due to the lightweight natures of the composite boom. Laser vibrometry techniques are investigated in this paper as an alternative to standard accelerometer measurements. The advantages of non contact measurement are presented in two different experimental setups. Using the dynamic measurements obtained from these experiments, a positive feedback controller is developed to attenuate the vibration of the strut.

Citation Download Citation

Pablo A. Tarazaga, Benjamin L. Grisso, Allan C. Drennan, Daniel J. Inman, and W. Keats Wilkie "Laser vibrometry measurements for dynamic testing of an inflatable strut", Proc. SPIE 6345, Seventh International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, 63450J (21 June 2006); https://doi.org/10.1117/12.693169

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