This Cordless Vacuum That’s ‘Better’ Than a Dyson Is Down to Just $75 at Amazon Right Now

The Vipsun Cordless Vacuum Cleaner is discounted to just $75 at Amazon right now. Shoppers love its lightweight, cordless ...

Dyson’s new wet floor cleaner finally fixed the biggest flaw of its predecessor — and it might be a game-changer

The new Clean+Wash, however, is designed to be lightweight and low profile. In fact, at just 3.82kg, Dyson claims this to be ...
IEEE

Low Torque Ripple and High Torque Trapezoidal Permanent Magnet Bi-Directional Magnetic Field Modulation Motor by Magnetomotive-Force-Oriented Design

Abstract: In this article, in order to suppress torque ripple and enhance output torque for bi-directional magnetic field modulation (BD-MFM) motors, a novel trapezoidal PM bi-directional magnetic ...