Robust control of multivariable systems using statistical confidence bounds

2003 ◽  
Author(s):  
L. Wang
Keyword(s):  
Robust Control ◽  
Multivariable Systems ◽  
Confidence Bounds ◽  
Statistical Confidence

Statistical evaluation of flutter boundaries from flight flutter test data

2009 ◽  
Vol 113 (1139) ◽  
pp. 41-51 ◽  
Author(s):  
A. A. Abbasi ◽  
J. E. Cooper
Keyword(s):  
Statistical Evaluation ◽  
Parameter Estimates ◽  
Data Sets ◽  
Confidence Bounds ◽  
Modal Parameter ◽  
Flutter Speed ◽  
Statistical Confidence ◽  
Analysis Process ◽  
Aeroelastic Simulations ◽  
Flutter Margin

AbstractA methodology is described that determines the statistical confidence bounds on the results from flight flutter tests: modal parameter estimates, flutter margin values and flutter speed estimates, without the need for Monte-Carlo simulation. The approach is based on least squares statistics and eigenvalue perturbation theory applied to the various stages of the analysis process, starting with frequency and damping estimation through to the flutter margin calculations. The technique is demonstrated upon a number of data sets from aeroelastic simulations of flight flutter tests.

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