Researchers in Germany have now directly observed this wobble with the highest precision yet thanks to a large ring laser gyroscope they developed for this purpose. The instrument, which is located in ...

Multicopter drones are unmanned aircraft that employ multiple rotors for lift and propulsion, rather than a single large ...

Abstract: Existing vibration displacement control strategies in active magnetic bearing (AMB) flexible rotor systems suffer from a trade-off between damping and noise, which makes it difficult for the ...