AIMC Topic: Swimming

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A Fast Online Elastic-Spine-Based Stiffness Adjusting Mechanism for Fishlike Swimming.

Soft robotics Apr 22, 2024
Fish tunes fishtail stiffness by coordinating its tendons, muscles, and other tissues to improve swimming performance. For robotic fish, achieving a fast and online fishlike stiffness adjustment over a large-scale range is of great significance for p...
Animals Robotics Biomechanical Phenomena Fishes Swimming Elasticity Equipment Design Spine
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Robot motor learning shows emergence of frequency-modulated, robust swimming with an invariant Strouhal number.

Journal of the Royal Society, Interface Mar 27, 2024
Fish locomotion emerges from diverse interactions among deformable structures, surrounding fluids and neuromuscular activations, i.e. fluid-structure interactions (FSI) controlled by fish's motor systems. Previous studies suggested that such motor-co...
Biomechanical Phenomena Animals Robotics Fishes Locomotion Swimming
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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 ...
Animal Fins Animals Biomechanical Phenomena Robotics Swimming Physical Phenomena Robotic Surgical Procedures
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Fast-Swimming Soft Robotic Fish Actuated by Bionic Muscle.

Soft robotics Feb 26, 2024
Soft underwater swimming robots actuated by smart materials have unique advantages in exploring the ocean, such as low noise, high flexibility, and friendly environment interaction ability. However, most of them typically exhibit limited swimming spe...
Swimming Biomimetic Materials Fishes Biomimetics Muscles Bionics Biomechanical Phenomena Animals Robotics Equipment Design
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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...
Swimming Animal Fins Robotics Motion Biomechanical Phenomena Animals
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Design and build of small-scale magnetic soft-bodied robots with multimodal locomotion.

Nature protocols Dec 14, 2023
Small-scale magnetic soft-bodied robots can be designed to operate based on different locomotion modes to navigate and function inside unstructured, confined and varying environments. These soft millirobots may be useful for medical applications wher...
Animals Robotics Zebrafish Swimming Magnetic Phenomena Humans Locomotion
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Animal robots in the African wilderness: Lessons learned and outlook for field robotics.

Science robotics Dec 6, 2023
In early 2016, we had the opportunity to test a pair of sprawling posture robots, one designed to mimic a crocodile and another designed to mimic a monitor lizard, along the banks of the Nile River in Uganda, Africa. These robots were developed uniqu...
Robotics Computers Environment Swimming Animals Software
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Control of movement of underwater swimmers: Animals, simulated animates and swimming robots.

Physics of life reviews Nov 7, 2023
The control of movement in living organisms represents a fundamental task that the brain has evolved to solve. One crucial aspect is how the nervous system organizes the transformation of sensory information into motor commands. These commands lead t...
Movement Swimming Animals Locomotion Robotics Artificial Intelligence Walking
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Rapid automated 3-D pose estimation of larval zebrafish using a physical model-trained neural network.

PLoS computational biology Oct 23, 2023
Quantitative ethology requires an accurate estimation of an organism's postural dynamics in three dimensions plus time. Technological progress over the last decade has made animal pose estimation in challenging scenarios possible with unprecedented d...
Imaging, Three-Dimensional Zebrafish Swimming Animals Humans Larva Neural Networks, Computer
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Identification of the trade-off between speed and efficiency in undulatory swimming using a bio-inspired robot.

Scientific reports Sep 12, 2023
Anguilliform swimmers, like eels or lampreys, are highly efficient swimmers. Key to understanding their performances is the relationship between the body's kinematics and resulting swimming speed and efficiency. But, we cannot prescribe kinematics to...
Eels Animals Motion Lampreys Robotics Swimming
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