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The basic principle of fish propulsion with the presence of a solid boundary was studied. The problem of a two-dimensional potential flow over a flexible plate swimming adjacent to a planar wall is treated. This is solved by applying the method of images. The motion of the flexible plate consists of a progressive wave traveling along the body of the plate. The energy imparted to the fluid, the power...
Among the new technologies in marine robotics is the trend toward smaller, cheaper and highly maneuverable vehicles, which could operate in swarms and also in very narrow and cluttered environments. A key challenge for vehicles with characteristic length of tens of centimeters scale is propulsion, where the designer faces high complexity in small vehicular space, as well as fouling concerns. Toward...
The method that fin stabilizer is used to anti rolling ship is different from the conventional theory of anti rolling ship, so it is a kind of new theoretics. In order to study the process of lift generation of fin stabilizer at zero speed, the model of lift generation of fin stabilizer is built based on biomimetic theory such as Weis-Fogh mechanism with variable chord wings by the conformal representation...
The fin stabilizer is used to reduce the roll motion of ship at zero speed, which is a new application of fin stabilizer. In order to study the process of lift generation of fin stabilizer at zero speed, the model of lift generation of fin stabilizer with double variable chord wings is built based on biomimetic theory such as Weis-Fogh mechanism by the conformal representation. By the methods of simulation...
This paper describes about research on fluid analysis simulator for elastic oscillating fin of biomimetic underwater robots. Authors has been researching biomimetic underwater vehicle such as flapping wing type. In such system, new concept of fluid analysis simulator is required because of the unique fluid characteristics of elastic oscillating fin. First of all, this paper shows basic characteristics...
Grasping of objects by robotic hands in unstructured environments demands a sensor surface that is durable, compliant, and responsive to various force and slip conditions. A compliant and robust skin can be as critical to grasping objects as the sensor it protects. In an effort to combine compliant mechanics and robust sensing, a biomimetic tactile sensor is being developed. Deformations of its skin...
Ship biomimetic fins stabilizer is a kind of anti rolling ship technique that could produce lift with initiative swing of fins at zero forward speed, and the lift could counteract the rolling forces of ocean waves, which is a new application of fin stabilizer. In order to study the principle of lift generation of fin stabilizer at zero speed, seeked a kind of bionic theory to research the lift generation...
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