Abstract: This paper proposes a sensorless speed control method for brushed dc motors that extends the usable speed estimation range by combining current-ripple analysis with high-frequency signal ...

Abstract: This article proposes a flux linkage-based sensorless control strategy to enhance the robustness of sensorless control of SRMs in the medium to high-speed range. First, the rotor position is ...

Speed is a 1994 American action-thriller film directed by Jan de Bont. LAPD officer Jack Traven becomes the focus of a bomber and extortionist, retired Atlanta bomb squad sergeant Howard Payne. The ...

When a massive heatwave hits, air conditioners can quickly cause your energy bill to skyrocket. Tower fans help bring instant relief, thanks to their energy-efficient circulation of crisp air in ...

Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks. If you buy through our links, we may get a commission. Anna Gragert Senior Editor, ...

Some AMD Radeon users are reporting a fan-control issue after installing the Adrenalin 26.5.1 graphics driver. The reported behavior involves AMD’s Zero RPM mode, which normally stops GPU fans during ...

Skip the gym and work out in the comfort and privacy of your home. From bikes to rowing machines to strength training ...

Update May 8: Anthbot M9 is currently 20% off on Amazon for the next few days, offering a big $180 discount off the regular price. I haven’t mowed my lawn in over a month, but it’s manicured like a ...