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Spacecraft Model Verification Using Swept Sine Data Analysis
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English
Abstract
Spacecraft sinusoidal vibration test data is analyzed, using overlap processing, to compute transfer functions and to determine frequencies, damping, and modal amplitudes. Results are compared with results obtained from random vibration test data and show excellent agreement. The overlap processing method, therefore, is acceptable for performing system identification computations from typical swept sine vibration test data. Use of alternative reference point for computation of transfer functions is discussed.
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Citation
Fowler, J., Davis, W., and Dancy, E., "Spacecraft Model Verification Using Swept Sine Data Analysis," SAE Technical Paper 821479, 1982, https://doi.org/10.4271/821479.Also In
References
- Breskman D. Kuhar E. Spykerman R. Stahie C. “Modal Testing Using Random Base Excitation,” General Electric Company, Space Systems Divisions, Orai Presentation 1981
- Fowler J. R. Dancy E. “Transfer Function Applications to Spacecraft Structural Dynamics,” Shock and Vibration Bulletin, part 1
- Randal J. Allemang “Investigation of Some Multiple input/Output Frequency Response Function Experimental Modal Analysis Techniques,” 1980