Integration and Field Trials of a High-Resolution Multi-beam Sonar on the Remote Minehunting Vehicle Dorado

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Authors
  1. Trevorrow, M.V.
  2. Crawford, A.M.
  3. Hopkin, D.A.
Corporate Authors
Defence R&D Canada - Atlantic, Dartmouth NS (CAN)
Abstract
In early 2003, a Reson 8125 high-resolution, multi-beam bathymetric sonar system was installed on the DRDC Atlantic remote minehunting vehicle. The Dorado vehicle, a component of the Remote Minehunting System (RMS), is a semi-submersible, remotely controlled drone designed to tow an actively stabilized sidescan sonar towfish. The multi-beam sonar processor was integrated with the on-board data telemetry system, taking advantage of existing vehicle position and attitude sensors. The RMS and multi-beam sonar were then tested during a field trial near Brest, France in May and June, 2003, as part of a larger collaborative minehunting demonstration. The multi-beam sonar was successfully used to chart the bathymetry of the approaches to Brest Harbour, and for high-resolution surveys of a shipwreck, and a practice minefield. Processed results of these surveys are presented demonstrating basic capability of the system for mine detection, obstacle avoidance and as a mission planning tool. The integration of high-resolution bathymetric information has the potential to improve minehunting operation in areas such as survey route planning and sidescan image slope correction.

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Keywords
Remote Minehunting System (RMS);Side looking sonar;Side scan sonar;Sea mines;Multi-beam sonar;Sidescan sonar;Remote mine-hunting vehicle
Report Number
DRDC-ATLANTIC-TM-2003-233 — Technical Memorandum
Date of publication
01 Dec 2003
Number of Pages
34
DSTKIM No
CA023479
CANDIS No
520800
Format(s):
CD ROM

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