Detailed geophysical surveys are required in deep water to avoid potential hazards and to provide for the construction and development of offshore oil leases. Unfortunately, data obtained with existing technology can be expensive and often data accuracy may be questionable. Towing cabled or tethered survey platforms, from a project perspective, can be time consuming and, as a result, costly. To address this problem, C & C Technologies, Inc. of Lafayette, Louisiana, USA has contracted with Kongsberg Simrad for the construction of a HUGIN 3000 deep-water autonomous underwater vehicle (AUV). This survey platform will be integrated with a variety of sensors including high frequency multibeam swath bathymetry and imagery. Other survey sensors include chirp side scan sonar, chirp subbottom profiler, and magnetometer. Vehicle positioning will be provided by a SSBL (Super Short Base Line) system integrated with Doppler speed log, an inertial navigation system, and for surface operations, DGPS. AUV power will be delivered by aluminum oxygen fuel cells. This paper will address AUV operations, platform performance, sensor specifications and integration, project milestones, and system economics.
High-resolution survey AUV
2000
5 Seiten, 1 Quelle
Conference paper
English
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