Abstract
In the management of fisheries resources, observation of a growth process of fisheries resources and presence of diseases or harmful insects is very important. In the farming of wakame seaweed, fisheries resources observation is conducted by raising up them on the surface of the water. However, these operations are conducted by the hands of fishermen and hard labor and physical burden were required. Therefore, we have been developing an underwater robot to assist the observation of fisheries resources. The robot was developed as small and light Remotely Operated Vehicle (ROV). In this paper, the specification of the robot and the system of the depth and attitude control was presented.
