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Microrobot assembly line

A team of researchers developed a new method for 3D-printing microrobots with multiple component modules inside the same microfluidic chip. The 'assembly line' approach allowed for the combination of various modules, such as joints and grippers, into a single device. This innovation may help realize the vision of microsurgery performed...

SourceOsaka University·JournalScience Robotics·TypeExperimental study·DateNov 16, 2022

UCLA engineers design AI material that learns behaviors and adapts to changing conditions

Researchers develop mechanical neural networks (MNNs) with tunable beams that can learn behaviors and adapt to external forces. The MNNs, composed of a triangular lattice pattern, exhibit smart properties through machine learning algorithms. Early prototypes overcame lag issues and achieved accurate performance in various applications.

SourceUniversity of California - Los Angeles·JournalScience Robotics·TypeExperimental study·DateOct 19, 2022

Skin: An additional tool for the versatile elephant trunk

Researchers found that an elephant's folded skin plays a crucial role in its flexible and strong trunk, enabling it to grasp fragile vegetation and rip apart tree trunks. The study suggests that wrapping soft robotics with a skin-like structure could give machines protection and strength while maintaining flexibility.

SourceGeorgia Institute of Technology·JournalProceedings of the National Academy of Sciences·TypeObservational study·DateJul 18, 2022

Teaching underwater stingray robots to swim faster and with greater precision using machine learning

Researchers at Singapore University of Technology and Design developed a new machine learning approach to model underwater robot dynamics, allowing for efficient swimming in complex environments. The approach, published in IEEE-RAL, uses deep neural networks to predict required flapping motions for a set of given propulsive force targets.

SourceSingapore University of Technology and Design·JournalIEEE Robotics and Automation Letters·DateMay 11, 2022

Hybrid machine-learning approach gives a hand to prosthetic-limb gesture accuracy

Researchers developed a hybrid machine-learning approach combining CNN and LSTM to recognize complex hand gestures in prosthetic hands. The technique achieved far superior performance than traditional machine learning efforts, with an accuracy of over 80%, but struggled with certain pinching gestures.

SourceBeijing Institute of Technology Press Co., Ltd·JournalCyborg and Bionic Systems·TypeExperimental study·DateFeb 7, 2022

NTU Singapore scientists develop self-folding natural plant material for ‘intelligent’ green products

Researchers created a paper-like material that folds itself into new shapes in response to environmental humidity, with potential applications in self-folding envelopes and boxes. The material's ability to morph on demand could lead to the development of autonomous origami robots and other complex shapes.

SourceNanyang Technological University·JournalProceedings of the National Academy of Sciences·DateOct 18, 2021

Soft components for the next generation of soft robotics

Researchers developed electrically-driven soft valves to control hydraulic soft actuators, enabling faster and more powerful control of macro- and small-scale hydraulic actuators. The breakthrough allows for unprecedented motion control of soft robots with internal volume ranging from hundreds of microliters to tens of milliliters.

SourceHarvard John A. Paulson School of Engineering and Applied Sciences·JournalProceedings of the National Academy of Sciences·DateSep 8, 2021