The objective of this work was to investigate the use of inverse system identification techniques on Mir/Shuttle docking data to identify Mir vibrational characteristics for ultimate application to damage detection. A time-domain technique called a Remote Sensing System was proposed as an approach. The method uses inverse structural dynamics to identify vibrational characteristics of a structure. The Remote Sensing System method was demonstrated with a numerical simulation of Mir/Shuttle docking assuming that sensors were collocated with the Mir docking location. The method was then applied to the combined set of docking data from Mir/Shuttle missions STS-81, STS-89, and STS-91. Overall, the results produced by this work appear to indicate that Mir was in an undamaged state, at least with respect to docking excitation, at the time of STS-91. The significance of the contribution of the Remote Sensing System approach is that it is not affected by the nonstationarity and nonlinearity associated with the Mir/Shuttle docking interface, and docking forces at the interface do not have to be measured.
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April 2001
Technical Papers
Structural Identification of Mir Using Inverse System Dynamics and Mir/Shuttle Docking Data
Daniel C. Kammer, Associate Professor,
Daniel C. Kammer, Associate Professor
Department of Engineering Physics, University of Wisconsin, Madison, WI 53706
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Adam D. Steltzner, Research Assistant
Adam D. Steltzner, Research Assistant
Department of Engineering Physics, University of Wisconsin, Madison, WI 53706
Search for other works by this author on:
Daniel C. Kammer, Associate Professor
Department of Engineering Physics, University of Wisconsin, Madison, WI 53706
Adam D. Steltzner, Research Assistant
Department of Engineering Physics, University of Wisconsin, Madison, WI 53706
Contributed by the Technical Committee on Vibration and Sound for publication in the JOURNAL OF VIBRATION AND ACOUSTICS. Manuscript received April 2000; revised Dec. 2000. Associate Editor: M. I. Friswell.
J. Vib. Acoust. Apr 2001, 123(2): 230-237 (8 pages)
Published Online: December 1, 2000
Article history
Received:
April 1, 2000
Revised:
December 1, 2000
Citation
Kammer, D. C., and Steltzner, A. D. (December 1, 2000). "Structural Identification of Mir Using Inverse System Dynamics and Mir/Shuttle Docking Data ." ASME. J. Vib. Acoust. April 2001; 123(2): 230–237. https://doi.org/10.1115/1.1355030
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