Long-term and repeated observation of shallow seafloor environments is required to evaluate temporal changes in seagrass meadows and other coastal ecosystems. In this study, we propose a cable-restricted observation system consisting of an underwater vehicle, a tether cable, and a seafloor station equipped with a reel....
Yoshiki Tanaka, Y. Nishida, Kazuo Ishii· Actuators· 0 citations
Maritime transportation accounts for the most of global trade, and improving fuel efficiency while reducing carbon dioxide emissions has become a critical research topic. One of the key technical challenges in enhancing fuel efficiency is the prevention and removal of marine biofouling on ship hulls. In addition, the I...
Kazuo Ishii, Y. Nishida, H. Yamamoto· IEEE International Symposium...· 0 citations
To improve the efficiency of underwater structure inspections, the deployment of Autonomous Underwater Vehicles (AUVs) is highly anticipated. However, accurate self-localization relative to feature-poor structures remains challenging due to the cumulative errors of dead reckoning (DR). Furthermore, acoustic data from m...
R. Miyakawa, Kazuo Ishii, Y. Nishida· IEEE International Symposium...· 0 citations
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