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Designing Robust Large Envelope Flight Controllers for High-Performance Aircraft

Blue, P. and Odenthal, D. and Muhler, M. (2002) Designing Robust Large Envelope Flight Controllers for High-Performance Aircraft. Proc. of AIAA Guidance, Navigation, and Control Conference and Exhibit, 2002-08-05 - 2002-08-08, Monterey, CA.

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Abstract

A simple two-degree-of-freedom control architecture and recent advances in MIMO H-infinity parameter-space control design are combined to form a new method of designing large envelope flight controllers for high performance aircraft. The procedure enables the designer to explicitly define the desired closed-loop dynamics and guarantees that the closed-loop provides robust stability and robust performance, which are defined using MIMO H-infinity specifications. The result is a straightforward procedure that enables the design of a robust flight controller that "forces" the closed-loop dynamics to behave like the specified 'desired dyamics' despite disturbance, modeling uncertainties, and variations in aircraft dynamics due to changing flight conditions. Te procedure is presented by designing an LTI pitch-rate controller for the F-16 Variable Stability In-Flight Simulator Test Aircraft (VISTA). Linear and nonlinear simulations show that the LTI controller provides predicted 'Level 1' flying qualities throughout the large design flight envelope.

Document Type:Conference or Workshop Item (Paper)
Additional Information:LIDO-Berichtsjahr=2002,
Title:Designing Robust Large Envelope Flight Controllers for High-Performance Aircraft
Authors:
AuthorsInstitution or Email of Authors
Blue, P.University of Minnesota-Minneapolis
Odenthal, D.UNSPECIFIED
Muhler, M.UNSPECIFIED
Date:2002
Status:Published
Keywords:-
Event Title:Proc. of AIAA Guidance, Navigation, and Control Conference and Exhibit
Event Location:Monterey, CA
Event Type:international Conference
Event Dates:2002-08-05 - 2002-08-08
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 - Flexible Aircraft (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Robotics and Mechatronics
Deposited By: elib DLR-Beauftragter
Deposited On:16 Sep 2005
Last Modified:12 Dec 2013 20:02

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