Electric motors act as the backbone of industrial development. Their reliable and safe operation is essential to various industries. At present, motor fault diagnosis based on current signatures has ...

A universal PMSM-driven servo system comprises cascaded PI controllers with a low-pass speed filter for high-frequency disturbance suppression. However, the speed filter and the current loop have ...

As a follow-up on his story on tunnel radio, Nick Langan explores college campus carrier-current radio and hears from readers ...