Motion compensator for acoustic device mounted on Autonomous Surface Vehicle

In recent days, the simultaneous operation of several AUVs is desired to realize widespread exploration in a navigation. As a method to realize the simultaneous operation, introduction the repeater vehicle called ASV (Autonomous Surface Vehicle) is proposed. The task of the ASV is to chase an AUV and to communicate with a support vessel. So, one ASV is needed for one AUV but several ASVs are monitored by one support vessel. The size of the ASV is similar to the AUV and is significantly smaller than the support vessel, so the seakeeping qualities are lower than the support vessel. Larger ship motion is expected than the support vessel and causes communication trouble. In this report, the new active motion compensator and the model experiment with this motion compensator is reported.