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Engine innovation enables portable muscle power for assistive devices | The fluidic engine, with a battery-powered high-torque motor, generates pressure allowing the artificial muscle to exert substantial force.
Engineers developed a featherlight fluidic engine for soft robots, autonomously generating substantial force without external power.
According to researchers, previous attempts at fluid engines not reliant on external power sources have struggled to generate sufficient force, further limiting their practical application. The new untethered, high-force wearable robots use a compact motor-pump unit, unlike conventional systems with bulky, tethered setups.Researchers’ fluidic engine features a pump powered by a high-torque motor driven by a battery. The team claims that by combining hydraulic compliance with electric control, the approach offers high-power density, which is essential for weight reduction in assistive and aerospace devices.
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