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Tools for Design and Simulation of UAV Flight Control

Bals, Johann and Joos, Hans-Dieter and Looye, Gertjan and Varga, Andras (2003) Tools for Design and Simulation of UAV Flight Control. In: Proc. ODAS 2003, S3-1-S3-11. 5th ONERA-DLR Aerospace Symposium, Toulouse June 4-6, 2003-06-04 - 2003-06-06, Toulouse, Frankreich.

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High performance and robustness requirements for autonomous UAV flight control systems and stringent requirements for short and cost effective design cycles increase the necessity for an efficient computer aided control law design process using advanced control design methods and tools. This paper describes a model and optimization based flight control law design process, which can be applied to a wide range of vehicle classes. The design process is based on multi-physical, object-oriented flight dynamics modeling using the modeling language Modelica and on a multi-objective parameter optimization environment. A generic Modelica flight dynamics library allows modular composition of new parameterized vehicle models and efficient simulation code generation for specific use cases. Multi-objective optimization is used for tuning the free parameters in linear or nonlinear flight control laws. Thereby, given require-ments for stability, trading structural loads and other physical limitations are formulated as computational design criteria. Robustness to uncertain parameters can be addressed via robustness measures, via a multi-model and multi-case approach, and via statistical Monte-Carlo based criteria. In the assessment step of the design process worst-case optimization w.r.t. uncertain parameters is applied for systematically detecting weaknesses of the control law design. The successful application of the design process to civil transport and high performance military aircraft is demonstrated and the applicability for UAV flight control design is discussed

Document Type:Conference or Workshop Item (Paper)
Additional Information:LIDO-Berichtsjahr=2004,
Title:Tools for Design and Simulation of UAV Flight Control
AuthorsInstitution or Email of Authors
Joos, Hans-DieterUNSPECIFIED
Journal or Publication Title:Proc. ODAS 2003
Page Range:S3-1-S3-11
Keywords:flight control design tools, uninhabited air vehicles, computer aided design, object-oriented modeling, flight dynamics, multi-objective optimization
Event Title:5th ONERA-DLR Aerospace Symposium, Toulouse June 4-6
Event Location:Toulouse, Frankreich
Event Type:international Conference
Event Dates:2003-06-04 - 2003-06-06
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L - no assignement
DLR - Research theme (Project):L -- no assignement
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Robotics and Mechatronics
Deposited By: elib DLR-Beauftragter
Deposited On:01 Oct 2007
Last Modified:12 Dec 2013 20:02

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