Underwater Mapping Results for Seabotix vLBV300 Vehicle with Tritech Gemini 720i Imaging Sonar near Newport, OR

Abstract
This document presents results from tests to demonstrate underwater mapping capabilities of an underwater vehicle in conditions typically found in marine renewable energy arrays. These tests were performed with a tethered Seabotix vLBV300 underwater vehicle. The vehicle is equipped with an inertial navigation system (INS) based on a Gladiator Landmark 40 IMU and Teledyne Explorer Doppler Velocity Log, as well as a Gemini 720i scanning sonar acquired from Tritech. The results presented include both indoor pool and offshore deployments. The indoor pool deployments were performed on October 7, 2016 and February 3, 2017 in Corvallis, OR. The offshore deployment was performed on April 20, 2016 off the coast of Newport, OR (44.678 degrees N, 124.109 degrees W). During the mission period, the sea state varied between 3 and 4, with an average significant wave height of 1.6 m. Data was recorded from both the INS and the sonar.
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Additional Info

DOE Project Name: Advanced Laboratory and Field Arrays (ALFA)
DOE Project Number: EE0006816
DOE Project Lead: Tim Ramsey
DOI: 10.15473/1415576
Last Updated: 7 months ago
May
2017
Data from May, 2017
Submitted May 15, 2017

Oregon State University

Contact

541.737.5906

Authors

Geoffrey Hollinger
Oregon State University

Keywords

MHK, Marine, Hydrokinetic, energy, power, ROV, Seabotix, Underwater Vehicle, Newport, Oregon, NETS, Mapping, Sonar, INS, Matlab, C

Status

Publicly accessible License 
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