An untethered soft robotic fish using SMA wires and its performance analysis

Xiaojie Chen*, Kewei Ning, Hiroki Shigemune, Hideyuki Sawada

*この研究の対応する著者

研究成果: Article査読

抄録

The authors have developed a bionic robotic fish having a soft tail by employing intelligent materials as actuators. Two sets of shape memory alloy (SMA) wires are stitched to the two sides of the soft tail, allowing the tail to bend on either side. The designed structure is expected to have the ability to mimic the straight swimming posture of a real fish in the water, and also to turn left and right using the soft body and caudal fins (BCF propulsion). The body and the head part are designed by a 3D CAD software, whose streamline ability is verified through the fluid simulation, and are printed by a high-precision 3D printer. A micro Arduino computer is set inside the fish body for the total swimming control. The infrared (IR) communication is also installed for the detailed analysis of the swimming motion and the speed. By studying the relationship between the control signals and the swimming behaviour of the robotic fish, the performance of the swimming motion was examined for determining the parameter values to realise real-fish swimming.

本文言語English
ページ(範囲)229-240
ページ数12
ジャーナルInternational Journal of Mechatronics and Automation
8
4
DOI
出版ステータスPublished - 2021

ASJC Scopus subject areas

  • 制御およびシステム工学
  • 計算力学
  • 産業および生産工学
  • 計算数学
  • 人工知能
  • 電子工学および電気工学

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