ZME Science

This Touchless Gear System Uses Fluid Dynamics to Transfer Power and Rotation Without Any Teeth

Engineers reinvent the 5,000-year-old gear using fluids instead of solid teeth.

Temporal anti-parity–time symmetry offers new way to steer energy through systems

The movement of waves, patterns that carry sound, light or heat, through materials has been widely studied by physicists, as ...
IEEE

Active Power-Frequency Oscillation Suppression Strategy for Parallel VSG Grid-Connected Power System

Abstract: Virtual synchronous generator (VSG) has the problem of active power-frequency oscillation while providing inertia and damping for the system, especially in the parallel VSG system. Therefore ...
IEEE

Neural-Learning-Based Adaptive Sliding Mode Impedance Force Control of Robotic Microinjection Systems Interacting With Viscoelastic Cells

Abstract: Robotic microinjection has been widely applied in biomedical engineering, but faces a great challenge on the precise force interaction with cells due to their inherently deformable, fragile, ...
Interesting Engineering

Russia tests new 35,000-pound-force engine on its fifth-gen stealth fighter

Russia’s Su-57 stealth fighter has completed its first flight with a new fifth-generation engine to improve the fighter’s performance and support its modernization and export goals. The flight was the ...