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System identification test using active membersA modal test using active members as the excitation source has been performed on the Precision Truss. Using the step sine testing technique, the frequency response functions are obtained and the modal parameters are extracted by the curve-fitting method. Total of 10 global modes and 3 local modes are obtained. The results are compared with those obtained by the conventional external excitation test.
Document ID
19890043401
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Chen, Jay-Chung (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Fanson, James L. (California Institute of Technology Jet Propulsion Laboratory, Pasadena, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1989
Subject Category
Spacecraft Design, Testing And Performance
Report/Patent Number
AIAA PAPER 89-1290
Report Number: AIAA PAPER 89-1290
Meeting Information
Meeting: AIAA, ASME, ASCE, AHS, and ASC, Structures, Structural Dynamics and Materials Conference
Location: Mobile, AL
Country: United States
Start Date: April 3, 1989
End Date: April 5, 1989
Accession Number
89A30772
Distribution Limits
Public
Copyright
Other

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