Abstract
Owing to environmental constraints, it is challenging to stably conduct various missions or surveys of the seabed for a prolonged period in the marine environment. To address this challenge, several devices and technologies are being developed. In this study, we aimed to develop an unmanned underwater vehicle (UUV)—specifically, a towed underwater platform—that can be loaded and unloaded via joint operation with an unmanned surface vehicle, which can be connected to a wired cable to obtain a stable power supply and high-speed communication. In addition, various sensors for detection are employed to investigate the marine environment and conduct missions. Furthermore, we operated the developed UUV in actual waters, reviewed the results, and examined its practical operability.
Highlights
For an extensive period from the early 2000s to recent years, increasingly small and light sensors with excellent performance have been developed and applied in marine environments alongside devices such as small-sized high-efficiency thrusters that can generate large amount of thrust [1]
We developed a towed underwater platforms (TUPs) that is part of a combined USV–TUP system, which can be self-propelled in a marine environment with environmental restrictions and operated by cable traction
We developed an remotely operated vehicles (ROVs) that can be operated by its own driving force and a TUP as part of a USV–TUP interoperating system that can be self-propelled in marine environments with environmental restrictions and operated via cable traction
Summary
For an extensive period from the early 2000s to recent years, increasingly small and light sensors with excellent performance have been developed and applied in marine environments alongside devices such as small-sized high-efficiency thrusters that can generate large amount of thrust [1]. A combination of the self-propelling force with the traction force of the cable can be applicable in various operating modes. We developed a TUP that is part of a combined USV–TUP system, which can be self-propelled in a marine environment with environmental restrictions and operated by cable traction. For the TUP production, the hardware, sensors, electric field, and software were configured, and the system performance was reviewed via a water tank test and operation in actual waters so as to examine its applicability [12]. The background for the formulation of this thesis is presented, and, the TUP system proposed in this study is categorized into hardware, sensors, electric field, and software.
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