Development of Smart Deep Tow System

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The importance of deep ocean survey and monitoring is increasing for the change of situation of energy and CCS (Carbon Capture and Storage) under the sea bed. In recent years, AUVs (Autonomous Underwater Vehicle) have been operated for deep ocean scientific research. They, however, have the limitation of long cruising because of battery performance. Although deep tow systems will solve this problem, the towing speed of current systems is not fast and the motions induced by the mother ship are not small. Then, we propose a deep tow system which consists of a launcher and a towed vehicle to realize high speed towing and high performance of motion control of the vehicle.Successful model experimental results were obtained.