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Error Propagation Concepts Including Flight Dynamics for Total System Performance Analysis During GBAS based Initial CAT-III Approach and Landing

Dautermann, Thomas and Belabbas, Boubeker and Meurer, Michael (2009) Error Propagation Concepts Including Flight Dynamics for Total System Performance Analysis During GBAS based Initial CAT-III Approach and Landing. In: Proceedings of the ION GNSS 2009. ION GNSS 2009, 22.-25. Sept. 2009, Savannah, Georgia, USA.

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Abstract

In order to assess the integrity risk for GBAS based automatic approach and landing, we investigated a total performance concept of a combined system consisting of an ILS look-a-like GBAS landing system (GLS) and a DeHavilland Dash-2 Beaver aircraft. We propagated four basic pseudorange errors to a position error distribution, which was then the source of position uncertainties for the GLS installed in the aircraft. Results show that the vertical total system error (TSE) in the steady state final approach lags behind the vertical navigation system error (NSE). The TSE is smoothed and preserves the general temporal sequence of the error. A reduction of 30\% of the TSE standard deviation with respect to the NSE only occurs during a period of glide slope overshoot, where the autopilot uses large and steadily declining elevator deflections to return to the desired glide path. With minor adaptations this concept can be refined and a possible error reduction may be achieved.

Item URL in elib:https://elib.dlr.de/60094/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Error Propagation Concepts Including Flight Dynamics for Total System Performance Analysis During GBAS based Initial CAT-III Approach and Landing
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Dautermann, Thomasthomas.dautermann (at) dlr.deUNSPECIFIED
Belabbas, Boubekerboubeker.belabbas (at) dlr.deUNSPECIFIED
Meurer, MichaelMichael.Meurer (at) dlr.deUNSPECIFIED
Date:25 September 2009
Journal or Publication Title:Proceedings of the ION GNSS 2009
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:GBAS; Total Performance Concept; CAT III; Automatic Landing
Event Title:ION GNSS 2009
Event Location:Savannah, Georgia, USA
Event Type:international Conference
Event Dates:22.-25. Sept. 2009
Organizer:Institue of Navigation
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L - no assignment
DLR - Research theme (Project):L - no assignment (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Navigation
Deposited By: Dautermann, Dr. Thomas
Deposited On:07 Oct 2009 08:02
Last Modified:31 Jul 2019 19:25

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