Noncontact power supply for seafloor geodetic observing robot system |
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Authors: | Jun Han Akira Asada Tamaki Ura Yukinaga Yamauchi Yasunobu Yagita Toshihiko Maki |
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Institution: | (1) Institute of Industrial Science, University of Tokyo, 4-6-1 Komaba, Meguro, Tokyo 153-8505, Japan;(2) Shanghai Fisheries University, Shanghai, China;(3) Hokushin Electric Appliance Co., Ltd., Oono, Japan;(4) Honda Electronics Co., Ltd., Toyohashi, Japan |
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Abstract: | A new and effective seafloor geodetic observing robot network system, which consists of several submarine stations situated
in regions susceptible to interplate earthquakes, has been proposed and is under construction in Japan. Each station, equipped
with an autonomous underwater vehicle (AUV) dock, is connected to a land facility by cables providing power and communication.
Near the AUV dock, three or four seafloor reference stations will be set up for geodetic observations. In this system, a noncontact
power supply is required for a battery-driven AUV to conduct observations for extended durations. A small, intelligent, efficient,
high-power noncontact feed system of 400 W capacity with an inverting efficiency of 77% in salt water has been developed.
It has been shown to be effective in a water tank experiment in which the noncontact power supply automatically fed power
to an AUV for 3 days. |
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Keywords: | Noncontact power supply Autonomous underwater vehicle Geodetic observation Underwater observation |
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