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 | Estimation of stability and control derivatives of Light Canard Research Aircraft from flight data
Author : Shantha Kumar , N.;Janardhana Rao, N.
Source : Defence Science Journal ; Vol:54(3) ; 2004 ; pp 277-292
Subject : 533.6 Aerodynamics;629.7 Aeronautics
Keywords : Light Canard Research Aircraft;LCRA;Flight test data;Parameter estimation technique;Maximum likelihood estimation;Output error method;Output error minimizations
Abstract : In this paper, stability and control derivatives of light canard research aircraft generated through the flight test using parameter estimation technique has been presented. The maximum likelihood estimation, based on output-error minimisation technique, is used to estimate the derivatives from the aircraft response data. The validity of the estimates has been checked by the cross validation method, wherein the estimated model response is matched with the flight-test data that are not used for estimating the derivatives. |
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