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In-Flight Validation of a Robust Flight Controller Featuring Anti-Windup Compensation

Weiser, Christian and Ossmann, Daniel and Heller, Matthias (2018) In-Flight Validation of a Robust Flight Controller Featuring Anti-Windup Compensation. American Institute of Aeronautics and Astronautics. 2018 Atmospheric Flight Mechanics Conference, 25.-29. Jun. 2018, Atlanta, USA. DOI: 10.2514/6.2018-2982

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In-flight demonstration and verification of a robust flight control design including an advanced anti-windup strategy is presented in this paper. The test aircraft, an Ultrastick 120 unmanned aircraft, is equipped with a pitch- and roll-attitude command flight-control system for remotely controlled augmented flight. The longitudinal aircraft dynamics are enhanced with an H1-based control design. The controller additionally comprises an dvanced anti-windup strategy to avoid integrator windup during actuator saturation. The lateral axis features a linear-parameter varying controller which provides robust performance over the whole velocity range. The controllers as well as the anti-windup algorithm are verified and validated in a non-linear simulation environment and by various flight tests. The paper provides detailed insight in the design process of the controllers, as well as a comprehensive discussion on the simulation and flight test results.

Item URL in elib:https://elib.dlr.de/120888/
Document Type:Conference or Workshop Item (Speech)
Title:In-Flight Validation of a Robust Flight Controller Featuring Anti-Windup Compensation
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Weiser, ChristianChristian.Weiser (at) dlr.deUNSPECIFIED
Ossmann, DanielDaniel.Ossmann (at) dlr.dehttps://orcid.org/0000-0003-4499-5639
Heller, Matthiasmatthias.heller (at) tum.deUNSPECIFIED
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
DOI :10.2514/6.2018-2982
Publisher:American Institute of Aeronautics and Astronautics
Series Name:2018 Atmospheric Flight Mechanics Conference
Keywords:Robust Flight Control; LPV; H_infinity; Flight Testing
Event Title:2018 Atmospheric Flight Mechanics Conference
Event Location:Atlanta, USA
Event Type:international Conference
Event Dates:25.-29. Jun. 2018
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Systems and Cabin
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of System Dynamics and Control > Aircraft System Dynamics
Deposited By: Weiser, Christian
Deposited On:16 Jul 2018 10:17
Last Modified:31 Jul 2019 20:18

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