Learn about the fasteners that are responsible for holding just about everything in our homes together. Here's how to identify them by head type, and how to know which one is best for your project.

High-frequency (HF) square-wave signal injection has been widely applied in the sensorless control system of interior permanent magnet synchronous machine, increasing the bandwidth of speed and ...

Although it is widely known that the saliency-based position-sensorless drive is able to achieve the closed-loop control at zero and low speed, there is little literature addressing the consideration ...

Will an Archimedes Screw work if the screw stays still, but the tube it's in turns? I set out to find out what happens, and I also looked for other commercial uses for this application. I 3D ...