Article | 30th Annual Workshop of the Swedish Artificial Intelligence Society SAIS 2017, May 15‚Äď16, 2017, Karlskrona, Sweden | Long-Term Accuracy in Sea Navigation without using GNSS Systems
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Title:
Long-Term Accuracy in Sea Navigation without using GNSS Systems
Author:
Mårten Lager: Saab Kockums, Malmö / Department of Computer Science, Lund University, Sweden Elin Anna Topp: Department of Computer Science, Lund University, Sweden Jacek Malec: Department of Computer Science, Lund University, Sweden
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Year:
2017
Conference:
30th Annual Workshop of the Swedish Artificial Intelligence Society SAIS 2017, May 15‚Äď16, 2017, Karlskrona, Sweden
Issue:
137
Article no.:
001
Pages:
10-19
No. of pages:
10
Publication type:
Abstract and Fulltext
Published:
2017-05-12
ISBN:
978-91-7685-496-9
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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Many ships today rely on Global Navigation Satellite System (GNSS), for their navigation, where GPS (Global Positioning System) is the most well known. Unfortunately, the GNSS systems make the ships dependent on external systems, which can be malfunctioning, be jammed or be spoofed.

There are today some proposed techniques where, e.g. bottom depth measurements are compared with known maps using Bayesian calculations, which results in a position estimation. Both maps and navigational sensor equipment are used in these techniques , most often relying on high accuracy maps, with the accuracy of the navigational sensors being less important.

Instead of relying on high accuracy maps and low accuracy navigation sensors, this paper presents an idea of the opposite, namely using low accuracy maps, but compensating this by using high accuracy navigational sensors and fusing data from both bottom depth measurements and magnetic field measurements.



Keywords: Particle filter, Autonomous Navigation, Recursive Bayesian Estimation, Sea Navigation

30th Annual Workshop of the Swedish Artificial Intelligence Society SAIS 2017, May 15‚Äď16, 2017, Karlskrona, Sweden

Author:
Mårten Lager, Elin Anna Topp, Jacek Malec
Title:
Long-Term Accuracy in Sea Navigation without using GNSS Systems
References:

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[8] Todd E. Humphreys, Brent M. Ledvina, Mark L. Psiaki, Brady W. O’Hanlon, and Paul M. Kintner, Jr., Cornell ”Assessing the Spoofing Threat: Development of a Portable GPS Civilian Spoofer”, ION GNSS Conference, 2008

30th Annual Workshop of the Swedish Artificial Intelligence Society SAIS 2017, May 15‚Äď16, 2017, Karlskrona, Sweden

Author:
Mårten Lager, Elin Anna Topp, Jacek Malec
Title:
Long-Term Accuracy in Sea Navigation without using GNSS Systems
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Last updated: 2017-02-21