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Development of a generic GUI-based software environment for aircraft trimming

Looye, Gertjan (2008) Development of a generic GUI-based software environment for aircraft trimming. DLR-Interner Bericht. DLR IB 515-08-32.

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Abstract

Clearance criteria of flight control laws are based on analysis of a complex nonlinear model of the aircraft type under consideration. Both nonlinear simulation of this model, as well as linearisation for subsequent analysis, require consistent definition and accurate computation of (quasi-) equilibrium conditions, also referred to as trimming. Well-known aircraft equilibrium conditions are straight and level flight, level turns, constant angle of attack, constant angle of side slip, etc. These conditions are characterised by specific sets of flight parameters and aircraft states. Unfortunately, each new aircraft model implementation requires manual marking of these parameters and states in the software, as well as manual programming of scripts to perform the actual trim computations. The objective of this Sub-Task is to automate these tasks. To this end, a Matlab-based graphical user interface (GUI) has been developed that allows easy definition of trimming conditions for new aircraft model implementations. Selections made in the GUI may be exported into trimming scripts for use in batch model analyses, as for example performed in the COFCLUO project.

Document Type:Monograph (DLR-Interner Bericht)
Title:Development of a generic GUI-based software environment for aircraft trimming
Authors:
AuthorsInstitution or Email of Authors
Looye, GertjanUNSPECIFIED
Date:2008
Refereed publication:Yes
Status:Published
Keywords:-
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Systems & Cabin
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Robotics and Mechatronics > System Dynamics and Control (former Control Design Engineering)
Deposited By: Monika Klauer
Deposited On:20 Oct 2008
Last Modified:12 Dec 2013 20:33

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