insider.si.edu

Model of a Controlled Forced Circulation Boiler, 1942

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This model represents the first major ...
IEEE

Self-Correction Commutation Method of Position Sensorless BLDCM Using Back-EMF Adaptive Threshold Voltage Comparison Circuit

Abstract: The back electromotive force (back-EMF) method, based on detecting zero-crossing points of back-EMF, is a widely used technique for sensorless brushless DC ...
IEEE

Impact Study of Commutation and Diode Open Circuits on the Excitation Capacity of WRSGs Based on a System-Level Semiphysical Crosslinking Test

Abstract: Wound-rotor synchronous generators (WRSGs) are the main structures used in aircraft power systems. As a key component of WRSGs for realizing brushless commutation, rotary rectifiers (RRs) ...
Nikkei Asia

Japanese anime singer forced off stage in Shanghai amid Taiwan tensions

SHANGHAI -- Japanese anime singer Maki Otsuki's concert in Shanghai was halted mid-performance in what appears to be the latest fallout from diplomatic tensions between Tokyo and Beijing.