The working principle of the planetary roller screw is relatively simple yet extremely efficient: a motor drives the screw shaft to rotate, and through the rolling of multiple rollers between the ...

Based on differences in friction characteristics, screws are primarily classified into three categories: sliding screws, rolling screws, and hydrostatic screws. Among these, rolling screws are widely ...

Researchers at Seoul National University and Kyung Hee University report a framework to control collective motions, such as ring, clumps, mill, flock, by training a physics-informed AI to learn the ...