AIMC Topic: Animal Fins

Clear Filters Showing 11 to 20 of 35 articles

Tunable stiffness in fish robotics: mechanisms and advantages.

Bioinspiration & biomimetics Dec 29, 2021
One of the emerging themes of fish-inspired robotics is flexibility. Adding flexibility to the body, joints, or fins of fish-inspired robots can significantly improve thrust and/or efficiency during locomotion. However, the optimal stiffness depends ...
Biomechanical Phenomena Fishes Swimming Animal Fins Robotics Models, Biological Animals
View on PubMed DOI

Reinforcement learning-based optimization of locomotion controller using multiple coupled CPG oscillators for elongated undulating fin propulsion.

Mathematical biosciences and engineering : MBE Nov 19, 2021
This article proposes a locomotion controller inspired by black Knifefish for undulating elongated fin robot. The proposed controller is built by a modified CPG network using sixteen coupled Hopf oscillators with the feedback of the angle of each fin...
Locomotion Animal Fins Biomechanical Phenomena Robotics Animals Swimming
View on PubMed DOI

Design and experimental evaluation of the novel undulatory propulsors for biomimetic underwater robots.

Bioinspiration & biomimetics Jul 26, 2021
Inspired by wide and elongated fins of aquatic species, robotic undulatory propulsors are developed to achieve advanced maneuverability. Through biological observation, undulatory fins are typically comprised of more than 100 fin rays to propagate co...
Biomimetics Biomechanical Phenomena Swimming Animal Fins Animals Robotics
View on PubMed DOI

Cartilage structure increases swimming efficiency of underwater robots.

Scientific reports May 28, 2021
Underwater robots are useful for exploring valuable resources and marine life. Traditional underwater robots use screw propellers, which may be harmful to marine life. In contrast, robots that incorporate the swimming principles, morphologies, and so...
Animals Robotics Equipment Design Biomechanical Phenomena Biophysical Phenomena Mechanical Phenomena Anisotropy Swimming Cartilage Animal Fins Skates, Fish
View on PubMed DOI

Effects of root chord movement on thrust generation of oscillatory pectoral fins.

Bioinspiration & biomimetics Apr 1, 2021
Fin kinematics is the key to thrust generation of oscillatory pectoral fins of manta rays. This could be one of the main reasons that fin designs of robotic manta rays are becoming more complex to simulate the fin kinematics more closely so as to gen...
Animal Fins Biomechanical Phenomena Animals Swimming Movement Robotics
View on PubMed DOI

Fish-like three-dimensional swimming with an autonomous, multi-fin, and biomimetic robot.

Bioinspiration & biomimetics Feb 10, 2021
Fish migrate across considerable distances and exhibit remarkable agility to avoid predators and feed. Fish swimming performance and maneuverability remain unparalleled when compared to robotic systems, partly because previous work has focused on rob...
Swimming Hydrodynamics Animal Fins Robotics Biomimetics Biomechanical Phenomena Animals
View on PubMed DOI

Artificial lateral line based relative state estimation between an upstream oscillating fin and a downstream robotic fish.

Bioinspiration & biomimetics Nov 30, 2020
The lateral line enables fish to efficiently sense the surrounding environment, thus assisting flow-related fish behaviors. Inspired by this phenomenon, varieties of artificial lateral line systems (ALLSs) have been developed and applied to underwate...
Swimming Animal Fins Lateral Line System Robotics Robotic Surgical Procedures Animals Fishes
View on PubMed DOI

A bio-inspired robotic fish utilizes the snap-through buckling of its spine to generate accelerations of more than 20g.

Bioinspiration & biomimetics Aug 21, 2020
Inspired by the fastest observed live fishes, we have designed, built and tested a robotic fish that emulates the fast-start maneuver of these fishes and generates acceleration and velocity magnitudes comparable to those of the live fishes within the...
Fishes Biomimetics Swimming Hydrodynamics Biomechanical Phenomena Acceleration Animal Fins Spine Animals Models, Biological Robotics Motion
View on PubMed DOI

The effect of sensory feedback topology on the entrainment of a neural oscillator with a compliant foil for swimming systems.

Bioinspiration & biomimetics Jun 29, 2020
The sensorimotor system of fish endows them with remarkable swimming performance that is unmatched by current underwater robotic vehicles. To close the gap between the capabilities of fish and the capabilities of underwater vehicles engineers are inv...
Biomechanical Phenomena Animals Robotics Feedback, Sensory Neural Networks, Computer Fishes Animal Fins Computer Simulation Swimming
View on PubMed DOI

Dual-sensor fusion based attitude holding of a fin-actuated robotic fish.

Bioinspiration & biomimetics May 13, 2020
In nature, the lateral line system (LLS) is a critical sensor organ of fish for rheotaxis in complex environments. Inspired by the LLS, numbers of artificial lateral line systems (ALLSs) have been designed to the fish-like robots for flow field perce...
Fishes Animals Neural Networks, Computer Signal-To-Noise Ratio Robotics Computer Simulation Equipment Design Biomimetic Materials Altitude Animal Fins
View on PubMed DOI
Popular Topics
Recent Journals