A tug-of-war explains a decades-old question about how bacteria swim

Scientists have uncovered a new explanation for how swimming bacteria change direction, providing fresh insight into one of ...
Archaeology

Java's Megalithic Mountain

The megalithic site of Gunung Padang in the highlands of western Java was constructed some 2,000 years ago over the course of several generations. Similar stone monuments are found across the ...
IEEE

Cross-Coupling Sliding Mode Control of Dual-VLFPM Motors Distributed Cooperative Sensorless Drive System With Linear ESO

Abstract: To improve the synchronization performance for the double variable leakage flux permanent magnet (VLFPM) motors drive control system of electric vehicles (EVs), this article presents ...
IEEE

Transient Power Angle Stability Control for Grid-Forming MMC-HVDC Receiving-End Converter Station Based on MPC

Abstract: To address the issues of power angle instability and oscillations in grid-forming Modular Multilevel Converter (MMC) stations caused by AC grid voltage sags in flexible HVDC transmission ...