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Estimation of transport airplane aerodynamics using multiple stepwise regression (1985)

Batterson, J. G. ; Klein, V. ; Keskar, D. A.

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Publication Date: 2011-08-19

Description: This paper presents an application of multiple stepwise regression to the flight test data of a typical transport airplane. The flight test data was carefully preprocessed to eliminate aliasing, time skews and high frequency noise. The data consisted both of basic certification maneuvers, such as wind-up-turns and maneuvers suitable for parameter estimation, such as responses to elevator pulses and doublets. It is shown that the results of multiple stepwise regression techniques compare favorably with the results obtained from maximum likelihood estimation. Finally, it is concluded that multiple stepwise regression could be a fast economical way to estimate transport airplane aerodynamics.

Keywords: AIRCRAFT DESIGN, TESTING AND PERFORMANCE

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