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Redundant Inertial-Aided GBAS for Civil Aviation

Grosch, Anja and Belabbas, Boubeker and Meurer, Michael (2010) Redundant Inertial-Aided GBAS for Civil Aviation. Navitec 2010, 8.-10. Dez. 2010, Noordwijk, The Netherlands .

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Abstract

In this article, we investigate the impact of redundant MEMS-IMU on a loosely coupled INS/GBAS system. Therefore, we consider and analyze the combined performance of three identically and orthogonally mounted low-cost IMUs. It is shown that due to the redundancy, the INS based position error is reduced by an average factor of two. In conventional GBAS, no position solution can be obtained while GPS is no available which lead to a full system failure. It is demonstrated that our redundant INS/GBAS integration sufficiently bridges GPS outages up to 10 seconds. Hence, the system availability is significantly improved. Additionally, an integrity concept is introduced providing integrity information even in the case where no GPS solution is available. This is essential for all safety-of-life applications such as civil aviation. We analyze our concept both, analytically and by Monte-Carlo Simulations. Our investigations clearly show that the robustness of the GBAS can be dramatically increased while maintaining low-costs and low-complexity.

Document Type:Conference or Workshop Item (Paper)
Title:Redundant Inertial-Aided GBAS for Civil Aviation
Authors:
AuthorsInstitution or Email of Authors
Grosch, AnjaKN-NA
Belabbas, BoubekerKN-NA
Meurer, MichaelKN-NA
Date:8 October 2010
Refereed publication:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Redundant IMU, loosely coupling INS/GBAS, integrity
Event Title:Navitec 2010
Event Location:Noordwijk, The Netherlands
Event Type:international Conference
Event Dates:8.-10. Dez. 2010
Organizer:European Space Research and Technology Centre (ESTEC)
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:W KN - Kommunikation/Navigation
DLR - Research area:Aeronautics
DLR - Program:W KN - Kommunikation/Navigation
DLR - Research theme (Project):W -- no assignement (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation
Institute of Communication and Navigation > Navigation
Deposited By: Anja Grosch
Deposited On:16 Dec 2010 08:14
Last Modified:16 Dec 2010 08:14

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