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Flexible Aircraft Modeling for Flight Control Law Design and Analysis

Looye, G. (1998) Flexible Aircraft Modeling for Flight Control Law Design and Analysis. DLR-Interner Bericht. 515-98-27.

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Abstract

This report consists of two parts. In the first part we will discuss a so-called bottom-up approach to integration of flight mechanics and aeroelastic aircraft models. In the second part we demonstrate a new method for flutter analysis, the µ-method, that that has been developed at NASA-Dryden. The flutter analysis is an example application of the model discussed in the first part. After a brief introduction we will derive the flexible aircraft equations of motion from first principles, emphasizing how rigid body and structural aircraft models fit together, and what key-assumptions we make. The aerodynamic model is the most important component. We will discuss what and how data from different modeling sources (flight mechanical / aeroelastic) is to be used in the equations of motion. Our modeling software is Dymola: due to its object-oriented nature it is very suitable for multidisciplinary modeling purposes. As an example, we will show the implementation of a generic flexible aircraft model, and present some nonlinear simulation results.

Item URL in elib:https://elib.dlr.de/3473/
Document Type:Monograph (DLR-Interner Bericht)
Additional Information: LIDO-Berichtsjahr=1999,
Title:Flexible Aircraft Modeling for Flight Control Law Design and Analysis
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Looye, G.UNSPECIFIEDUNSPECIFIED
Date:1998
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:aeroelasticity, flight mechanics, flexible aircraft modeling,
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L ST - Starrflüglertechnologien
DLR - Research theme (Project):UNSPECIFIED
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Robotics and Mechatronics (until 2012) > Institut für Robotik und Systemdynamik
Deposited By: DLR-Beauftragter, elib
Deposited On:16 Sep 2005
Last Modified:06 Jan 2010 16:27

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