AIMC Topic: Animal Fins
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Underwater bionic undulating fins incorporating thickness effects: hydrodynamic performance and optimal thickness variation rate analysis.
Bioinspiration & biomimetics
Jun 5, 2025
In response to the urgent issues faced by current bionic undulating fin robot propulsion mechanisms, such as low working efficiency, insufficient swimming speed, ignoring thickness parameters, and the need for further improvement in biomimetic degree...
Bioinspired design of a tissue-engineered ray with machine learning.
Science robotics
Feb 12, 2025
In biomimetic design, researchers recreate existing biological structures to form functional devices. For biohybrid robotic swimmers assembled with tissue engineering, this is problematic because most devices operate at different length scales than t...
A bioinspired fish fin webbing for proprioceptive feedback.
Bioinspiration & biomimetics
Jan 7, 2025
The propulsive fins of ray-finned fish are used for large scale locomotion and fine maneuvering, yet also provide sensory feedback regarding hydrodynamic loading and the surrounding environment. This information is gathered via nerve cells in the web...
Hydrodynamic pressure sensing for a biomimetic robotic fish caudal fin integrated with a resistive pressure sensor.
Bioinspiration & biomimetics
Aug 22, 2024
Micro-sensors, such as pressure and flow sensors, are usually adopted to attain actual fluid information around swimming biomimetic robotic fish for hydrodynamic analysis and control. However, most of the reported micro-sensors are mounted discretely...
Asymmetric fin shape changes swimming dynamics of ancient marine reptiles' soft robophysical models.
Bioinspiration & biomimetics
May 8, 2024
Animals have evolved highly effective locomotion capabilities in terrestrial, aerial, and aquatic environments. Over life's history, mass extinctions have wiped out unique animal species with specialized adaptations, leaving paleontologists to recons...
Effects of caudal fin stiffness on optimized forward swimming and turning maneuver in a robotic swimmer.
Bioinspiration & biomimetics
Mar 14, 2024
In animal and robot swimmers of body and caudal fin (BCF) form, hydrodynamic thrust is mainly produced by their caudal fins, the stiffness of which has profound effects on both thrust and efficiency of swimming. Caudal fin stiffness also affects the ...
Fish robotics: multi-fin propulsion and the coupling of fin phase, spacing, and compliance.
Bioinspiration & biomimetics
Jan 24, 2024
Fish coordinate the motion of their fins and body to create the time-varying forces required for swimming and agile maneuvers. To effectively adapt this biological strategy for underwater robots, it is necessary to understand how the location and coo...
Platform development and gliding optimization of a robotic flying fish with morphing pectoral fins.
Bioinspiration & biomimetics
Apr 28, 2023
The aquatic-aerial robot with the free interface crossing can enhance adaptability in complex aquatic environments. However, its design is extremely challenging for the striking discrepancies in propulsion principles. The flying fish in nature exhibi...
Soft dorsal/anal fins pairs for roll and yaw motion in robotic fish.
Bioinspiration & biomimetics
Nov 23, 2022
Fish has primarily served as a model for many bio-inspired underwater robots. However, most of the work on fish-inspired robots is focused on propulsion and turning in the horizontal plane. In this paper, we present our work on the 3D motion of bio-i...
Motion mechanism and thrust characteristics of amphibious robots with long fin fluctuation for propulsion on hard level ground.
Bioinspiration & biomimetics
Aug 17, 2022
This paper presents the principle of motion, mechanical modeling and key characteristics of the propulsive force of a new flexible-fin traveling wave propulsion mechanism used in an amphibious robot. Firstly, the form of motion and the basic propulsi...
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