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Influence on the propulsive performance due to the difference in the fin shape of a robotic manta

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Abstract

This paper experimentally investigates the influence on the propulsive performance by the difference in the fin shape of a robotic manta. Five kinds of fin shapes, i.e., a rectangle, a triangle, a trapezoid, and two right triangles, are used in experiment to measure the forward speed of the robot, where two types of right triangle are discriminated, depending on the arrangement of the right angle part and each fin area is assumed to be approximately equal, and the number of fin rays is the same at all the fins. It is proved that a significant difference in propulsive speed arises depending on the difference in the fin shape. Some experiments are additionally conducted to examine the influence on the propulsive speed and its efficiency, due to the parameter change of a progressive wave in the fin.

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Authors and Affiliations

  1. Okayama University, 3-1-1 Tsushima-naka, Kita-ku, Okayama, 700-8530, Japan

    Masaaki Ikeda, Kota Mikuriya, Keigo Watanabe, Shigeki Hikasa, Yukito Hamano & Isaku Nagai

Authors
  1. Masaaki Ikeda
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  2. Kota Mikuriya
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  3. Keigo Watanabe
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  4. Shigeki Hikasa
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  5. Yukito Hamano
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  6. Isaku Nagai
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Corresponding author

Correspondence to Masaaki Ikeda.

Additional information

This work was presented in part at the 20th International Symposium on Artificial Life and Robotics, Beppu, Oita, January 21–23, 2015.

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Ikeda, M., Mikuriya, K., Watanabe, K. et al. Influence on the propulsive performance due to the difference in the fin shape of a robotic manta. Artif Life Robotics 22, 276–282 (2017). https://doi.org/10.1007/s10015-017-0351-8

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  • DOI: https://doi.org/10.1007/s10015-017-0351-8

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