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Desensitizing structural-control designA new method for targeted robustness optimization is presented. This method allows the analyst to 'target' the most critical performance parameter (or family of design requirements with almost the same criticality) for enhanced protection from uncertainties in the model. To create this protection, this method uses knowledge about the uncertainties in some of the parameters of the model - this information is usually available to the structural analyst. The power of the targeted robustness method is demonstrated numerically using an active damping example. The results show that the most critical damping ratio is protected - its sensitivity to the uncertainties is far below those of non-critical damping ratios.
Document ID
19930045343
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Ponslet, E.
(NASA Langley Research Center Hampton, VA, United States)
Haftka, R. T.
(NASA Langley Research Center Hampton, VA, United States)
Hallauer, W. L.
(NASA Langley Research Center Hampton, VA, United States)
Cudney, H. H.
(Virginia Polytechnic Inst. and State Univ. Blacksburg, United States)
Date Acquired
August 16, 2013
Publication Date
January 1, 1992
Publication Information
Publication: In: Dynamics and control of large structures; Proceedings of the 8th VPI&SU Symposium, Blacksburg, VA, May 6-8, 1991 (A93-29328 10-63)
Publisher: Virginia Polytechnic Institute and State University
Subject Category
Cybernetics
Accession Number
93A29340
Funding Number(s)
CONTRACT_GRANT: NAG1-224
Distribution Limits
Public
Copyright
Other

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