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Parameter Study of Loosely Coupled INS/GNSS Integrity Performance

Grosch, Anja and Belabbas, Boubeker (2012) Parameter Study of Loosely Coupled INS/GNSS Integrity Performance. ION. PLANS 2012, 24-26 Apr 2012, Myrtle Beach, SC, USA.

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Low-cost inertial sensors have been in the focus of on going research since they enable a low priced and low complex way to increase the robustness and reliability of navigation systems, especially GNSS. In this paper, we analyze a loosely coupled INS/GNSS including evaluation of the inertial error propagation and robustness of the corresponding navigation integrity concept with respect to the inertial system parameters. Moreover, we analyze the system integrity performance in terms of overall system protection level dependent on the inertial sensor error model. We discuss and compare the expected performance of using either typical high-end, middle-grad, low-cost or a network of redundant low-cost IMUs in terms of integrity and GNSS coasting time. We show that a network of four independent and identical distributed and orthogonally mounted low-cost sensors boosts the integrity performance significantly and even outperforms the one of a higher grade sensor. Additionally we discuss the trade-off between inertial networks and increased system complexity with respect to integrity performance in this paper.

Item URL in elib:https://elib.dlr.de/79125/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Parameter Study of Loosely Coupled INS/GNSS Integrity Performance
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Grosch, Anjaanja.grosch (at) dlr.deUNSPECIFIED
Belabbas, BoubekerBoubeker.Belabbas (at) dlr.deUNSPECIFIED
Date:24 April 2012
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 230-238
Grosch, Anjaanja.grosch@dlr.de
Belabbas, Boubekerboubeker.belabbas@dlr.de
Series Name:Proceedings of IEEE/ION PLANS 2012
Keywords:Integrity, Multi-sensor, sensor network
Event Title:PLANS 2012
Event Location:Myrtle Beach, SC, USA
Event Type:international Conference
Event Dates:24-26 Apr 2012
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:ATM and Operation (old)
DLR - Research area:Aeronautics
DLR - Program:L AO - Air Traffic Management and Operation
DLR - Research theme (Project):L - Communication, Navigation and Surveillance (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Navigation
Deposited By: Grosch, Anja
Deposited On:29 Nov 2012 09:36
Last Modified:12 Dec 2013 21:53

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