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New designs of fin type propulsive devices of robotic fish


Reference:

Viba, J., Beresnevich, V., Tsyfansky, S., Kruusmaa, M., Fontaine, J.-G. and Megill, W., 2011. New designs of fin type propulsive devices of robotic fish. In: IEEE 15th International Conference on Advanced Robotics: New Boundaries for Robotics, ICAR 2011. Piscataway, NJ: IEEE Computer Society, pp. 625-630. (IEEE 15th International Conference on Advanced Robotics: New Boundaries for Robotics, ICAR 2011)

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Official URL:

http://dx.doi.org/10.1109/ICAR.2011.6088600

Abstract

Dynamics of a fin type propulsive device of robotic fish moving inside water is studied. On the basis of Pontryagin's maximum principle the optimal control law for variation of additional area of vibrating tail, which ensures maximal positive impulse of motive forces acting on tail, is found. The proposed method makes it possible to minimize energy losses within operation cycles, when fin's motion is affected by water resistance forces. Thanks to that useful tractive forces increase, and operation of fin propulsive device becomes more effective. Examples on synthesis of one-tail and two-tail propulsive devices with varying working area of vibrating tail are given.

Details

Item Type Book Sections
CreatorsViba, J., Beresnevich, V., Tsyfansky, S., Kruusmaa, M., Fontaine, J.-G. and Megill, W.
DOI10.1109/icar.2011.6088600
DepartmentsFaculty of Engineering & Design > Mechanical Engineering
StatusPublished
ID Code28160
Additional InformationIEEE 15th International Conference on Advanced Robotics: New Boundaries for Robotics, ICAR 2011. 20-23 June 2011. Tallinn, Estonia.

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