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Researchers create 3-D printed, sweating robot muscle
Cornell researchers have created a soft robot muscle that can regulate its temperature through sweating. This technology will enable untethered, high-powered robots to operate for long periods of time without overheating.
This form of thermal management is a basic building block for enabling untethered, high-powered robots to operate for long periods of time without overheating, according to the Rob Shepherd, associate professor of mechanical and aerospace engineering, who led the project. Shepherd’s team partnered with the lab of Emmanuel Giannelis, the Walter R. Read Professor of Engineering, to create the necessary nanopolymer materials for sweating via a 3D-printing technique called multi-material stereolithography, which uses light to cure resin into predesigned shapes. The evaporation of this water reduces the actuator’s surface temperature by 21 C within 30 seconds, a cooling process that is approximately three times more efficient than in humans, the researchers found.
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