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We have been working on an oscillating fin type actuator for underwater robots. Our research aims at the development of a fin type actuator imitating mechanisms of underwater creatures by using an electoroconductive polymer, which is a kind of artificial muscles. We expect that this actuator takes the place of a screw propeller in the missions which need precise and silent motion control such as observation...
Precise motion control without mechanical noises is a technical issue on the operations of research vessels and underwater vehicles in order to observe creatures in actual. As a solution for the problem, we pay attentions to bio- mechanisms of underwater creatures, especially undulately fins being used for attitude control. Bio-mechanisms of creatures are adapted to environment as a result of evolution...
Precise motion control of underwater vehicles without mechanical noises is a technical issue on underwater observation. As a solution for the problem, we pay attentions to bio-mechanisms of underwater creatures, especially ribbon-like fins being used for attitude control. Bio-mechanisms of creatures are adapted to environment as a result of evolution. If the motor control mechanisms of the creatures...
In this paper, we present a concept for underwater monitoring of coastal sea area using many compact AUV groups distributed in target area from the surface to the bottom. The underwater continuous monitoring of that area becomes increasingly important related to such field as water pollution investigation, aquaculture control, or coral reef research, etc. The target monitoring area is sliced planar...
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