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Robust autopilot design for landing a large civil aircraft in crosswind

Theis, Julian and Ossmann, Daniel and Thielecke, Frank and Pfifer, Harald (2018) Robust autopilot design for landing a large civil aircraft in crosswind. Control Engineering Practice, 76, pp. 54-64. Elsevier. ISSN 0967-0661

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Official URL: https://www.sciencedirect.com/science/article/abs/pii/S0967066118300911

Abstract

A comprehensive autolanding design for a representative model of a twin-engined commercial aircraft is presented in this paper. To facilitate the design task and minimize control law switching, a cascaded control structure is selected which resembles integrator chains. Classical loopshaping and robust control techniques are used to design the individual control loops. The emphasis is on providing a complete and comprehensive qualitative design strategy. The control system's ability to safely land the aircraft despite strong crosswind in a variety of possible scenarios is demonstrated in an industry-grade verification campaign. Nonlinear Monte Carlo simulations of the airliner model are used to assess the risk of unsafe landing conditions and provide insight into the performance characteristics and limitations of the proposed control system.

Item URL in elib:https://elib.dlr.de/125931/
Document Type:Article
Title:Robust autopilot design for landing a large civil aircraft in crosswind
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Theis, JulianUNSPECIFIEDUNSPECIFIED
Ossmann, DanielDaniel.Ossmann (at) dlr.dehttps://orcid.org/0000-0003-4499-5639
Thielecke, FrankUNSPECIFIEDUNSPECIFIED
Pfifer, HaraldUNSPECIFIEDUNSPECIFIED
Date:July 2018
Journal or Publication Title:Control Engineering Practice
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:76
Page Range:pp. 54-64
Publisher:Elsevier
ISSN:0967-0661
Status:Published
Keywords:Aircraft control; Flight control; Cascade control; Control design; Mixed sensitivity problem; H-infinity control
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: Ossmann, Daniel
Deposited On:15 Jan 2019 09:35
Last Modified:10 Apr 2019 11:55

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