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Transactions: WSEAS TRANSACTIONS ON SYSTEMS AND CONTROL
Transactions ID Number: 42-355
Full Name: Kosei Shimoo
Position: Assistant
Age: ON
Sex: Male
Address: 1-1 okishin-machi, sasebo-shi, Nagasaki-ken
Country: JAPAN
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E-mail address: shimo@post.cc.sasebo.ac.jp
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Title of the Paper: acoustic positioning system for compact underwater vehicle
Authors as they appear in the Paper: Kosei Shimoo, Yutaka Nagashima, Takakazu Ishimatsu
Email addresses of all the authors: shimo@post.cc.sasebo.ac.jp,nagasima@post.cc.sasebo.ac.jp,ishi@nagasaki-u.ac.jp
Number of paper pages: 10
Abstract: Currently a platform to investigate the underwater environment is required. In this paper, we propose an autonomous underwater vehicle (AUV) with an accurate positioning system. The positioning system is developed to be accurate enough to utilize the superior navigation ability of our AUV feature. The navigation ability is acquired by the variable vector propeller mechanism. The accurate positioning became possible by introducing two acoustic signals with different frequencies. The range data were obtained satisfactorily with maximum error less than 0.006m. Using the positioning system, the navigation trajectory of the AUV could be measured.
Keywords: Autonomous underwater vehicle (AUV), Acoustic positioning system (APS), Ultrasonic, VARIVEC propeller, PLD, Marine investigation
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