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Optimization-Based Feedforward Path Following for Model Reference Adaptive Control of an Unmanned Helicopter

Dauer, Johann C. and Faulwasser, Timm and Lorenz, Sven and Findeisen, Rolf (2013) Optimization-Based Feedforward Path Following for Model Reference Adaptive Control of an Unmanned Helicopter. In: AIAA Guidance, Navigation, and Control (GNC) Conference. AIAA Guidance Navigation and Control Conference, 2013-08-19 - 2013-08-22, Boston, USA. doi: 10.2514/6.2013-5002.

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This paper presents an optimization-based approach to let an unmanned helicopter follow a geometrically defined path. In particular, this approach extends reference model following concepts. Instead of using a model of the vehicle dynamics, the optimization is based on the reference model of the controller. By this means, we can calculate the time- wise progress on the path by means of dynamic optimization without exact knowledge of the real helicopter dynamics. The progression on the path, is defined as a dynamic system subject to an additional virtual control input. The inputs of the reference model and that of the timing law are the decision variables used in the dynamic optimization which is so far performed offline. It will be shown that hereby, an accurate following of the path is possible although the actually identified flight mechanical model is limited to a linear hover model. Furthermore, the approach allows to take constraints on inputs and states into account. Simulation results as well as flight tests conducted with the artis testbed underline that good performance and constraints satisfaction can be achieved.

Item URL in elib:https://elib.dlr.de/84036/
Document Type:Conference or Workshop Item (Speech)
Title:Optimization-Based Feedforward Path Following for Model Reference Adaptive Control of an Unmanned Helicopter
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Dauer, Johann C.UNSPECIFIEDhttps://orcid.org/0000-0002-8287-2376UNSPECIFIED
Lorenz, SvenUNSPECIFIEDhttps://orcid.org/0000-0002-2133-227XUNSPECIFIED
Date:19 August 2013
Journal or Publication Title:AIAA Guidance, Navigation, and Control (GNC) Conference
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Unmanned Helicopter, Flight Control, Path Following, Adaptive Control
Event Title:AIAA Guidance Navigation and Control Conference
Event Location:Boston, USA
Event Type:international Conference
Event Start Date:19 August 2013
Event End Date:22 August 2013
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Rotorcraft (old)
DLR - Research area:Aeronautics
DLR - Program:L RR - Rotorcraft Research
DLR - Research theme (Project):L - The Smart Rotorcraft (old)
Location: Braunschweig
Institutes and Institutions:Institute of Flight Systems > Unmanned Aircraft
Deposited By: Dauer, Johann C.
Deposited On:09 Sep 2013 16:26
Last Modified:24 Apr 2024 19:50

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