On Earth, depending on where you are, the analemma can be at different angles, though it always traces out this ...

The formulation presented in this paper couples the magnetic vector potential and the tangential component of the magnetic field strength at a sliding interface in the air gap of a two-dimensional ...

The real-time accurate judgment of force and angular displacement is the basis of controlling for wearable hand rehabilitation robot. This paper puts forward to and set up a kind of real-time ...