Identification of aerodynamic derivatives of a flexible aircraft using output error method

Majeed, M and Kar, IN (2011) Identification of aerodynamic derivatives of a flexible aircraft using output error method. In: International Conference on Mechanical and Aerospace Engineering (CMAE 2011), 21-23 Mar 2011, New Delhi, India.

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Official URL: http://dx.doi.org/ 10.4028/www.scientific.net/AMM....

Abstract

A full order model of an aeroelastic aircraft has too many parameters to yield satisfactory estimates. In this paper, using simulated data, rigid body and aeroelastic derivatives are estimated in longitudinal axis for single elastic mode. The proposed approach uses an integrated model structure. It emphasizes the use of estimation techniques that have the capability to accurately determine modal characteristics in those flight test situations where the measured data is dominated by elastic effects. Output error method in time domain is applied to the simulated flight data to identify the aircraft derivatives.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Aeroelastic;Aircraft modeling;Output error method;Parameter estimation
Subjects: AERONAUTICS > Aeronautics (General)
ENGINEERING > Mechanical Engineering
Depositing User: Users 11 not found.
Date Deposited: 12 Apr 2012 10:32
Last Modified: 12 Apr 2012 10:32
URI: http://nal-ir.nal.res.in/id/eprint/10430

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