小型水中ロボットへの搭載を目的とした広範囲吸引クラゲ駆除装置の開発

抄録

In recent years, the efficient jellyfish removal work is required because the massive blooms of jellyfish occur every year and that is causing damage to the local fisheries industry. Our research team has proposed a method for jellyfish removal using a small-size underwater robot. Last summer, we conducted an experiment in the Seto Inland Sea to test the robot's effectiveness in removing jellyfish. As a result of the experiment, it was confirmed that it is difficult to contact the removal device to target the jellyfish. Therefore, in this study, we develop a jellyfish removal device which has wide suction range. In the evaluation of developed device, a Jellyfish sample can be suctioned 500 mm away, and the flow velocity at the suction inlet is 0.13 m/s. Also, all Jellyfish samples could be crushed to a size within 20 mm in length and width and 40 mm in length, which is sufficient to remove jellyfish.