Quantum computing: Laser-optical system offers full control over 2,000 trapped Rydberg atoms

Fraunhofer ILT in Aachen has developed a highly complex laser-optical system for a quantum computer currently under construction at the 5th Institute of Physics at the University of Stuttgart. This ...
IEEE

Voltage Sensorless Three-Phase PWM Rectifier Control Based on Linear Extended State Observer

Abstract: Regarding significant harmonics from the grid voltage side, a control strategy for a three-phase pulsewidth modulation (PWM) rectifier without alternating current (ac) voltage sensor based ...
IEEE

Modeling and Control of Current Sensorless PFC Three-Phase Vienna Rectifier With Balanced and Unbalanced DC-Link Voltage

Abstract: In the utilization of three-phase power, the dc-link voltage of the Vienna rectifier can function as two separate voltage sources, accommodating the need for varied output voltages. The ...

Synchronized infrared lasers control molecular shape changes and expose hidden fingerprints

Researchers from the Molecular Physics and Physical Chemistry departments of the Fritz Haber Institute have shown how two ...