Advances in single-beacon one-way-travel-time acoustic navigation for underwater vehicles

This paper reports the formulation and evaluation of a centralized extended Kalman filter designed for a novel navigation system for underwater vehicles. The navigation system employs Doppler sonar, depth sensors, synchronous clocks, and acoustic modems to achieve simultaneous acoustic communication...

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Bibliographic Details
Published in:The International journal of robotics research 2012-07, Vol.31 (8), p.935-950
Main Authors: Webster, Sarah E, Eustice, Ryan M, Singh, Hanumant, Whitcomb, Louis L
Format: Article
Language:English
Subjects:
Acoustic navigation
Acoustic surveying
Acoustics
Autonomous underwater vehicles
Beacons
Clocks
Marine
Measurement
Modems
Navigation systems
Sensors
Simulation
Underwater vehicles
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Summary:This paper reports the formulation and evaluation of a centralized extended Kalman filter designed for a novel navigation system for underwater vehicles. The navigation system employs Doppler sonar, depth sensors, synchronous clocks, and acoustic modems to achieve simultaneous acoustic communication and navigation. The use of a single moving reference beacon eliminates the requirement for the underwater vehicle to remain in a bounded navigable area; the use of underwater modems and synchronous clocks enables range measurements based on one-way time-of-flight information from acoustic data-packet broadcasts. The acoustic data packets are broadcast from a single, moving reference beacon and can be received simultaneously by multiple vehicles within acoustic range. We report results from a simulated deep-water survey and real field data collected from an autonomous underwater vehicle survey in 4000 m of water on the southern Mid-Atlantic Ridge with an independent long-baseline navigation system for ground truth.
ISSN:0278-3649
1741-3176
DOI:10.1177/0278364912446166