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Underwater robots and underwater machines are counted on helping the salvage procedure, escaping prevention of pollution, lifesaving at sea, scientific exploration in the ocean and so on. In the underwater robot, therefore, Autonomous Underwater Vehicles (AUVs) have been developed actively during recent year. However, AUVs have various problems which should be solved such as motion control, acquisition...
Generally experiments in a test tank are carried out in advance to get the dynamic characteristic of underwater robots, and various motion control laws are evaluated based on obtained dynamics of the robot. In this study, we made a small and lightweight AUV as a testbed for control performance evaluation. The AUV has two modes, "cruising mode" in which the motion is controlled by lift force...
Autonomous underwater vehicles (AUVs) have great advantages for activities in deep oceans, and are expected as the attractive tool for near future underwater development or investigation. However, AUVs have various problems which should be solved for motion control, acquisition of sensors' information, behavioral decision, navigation without collision, self-localization and so on. In order to realize...
Autonomous underwater vehicles (AUVs) are attractive tools to survey Earth science and oceanography, however, there exists a lot of problems to be solved such as motion control, acquisition of sensor data, decision-making, navigation without collision, self-localization and so on. In order to realize useful and practical robots, underwater vehicles should take their action by judging the changing...
Oceans, the familiar environment for us, are an attractive environment because of abundant mineral resources, energy, space, and so on, and underwater research and development are carried out rapidly during recent decades. However, the extreme conditions such as high water pressure, invisibility and non-oxygen become great barriers for human to access directly. Underwater robots are expected and developed...
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