The way we control the speed of fan motors or pump motors has tremendously changed in the past two decades with the introduction of variable-frequency drives (VFDs), aka variable-frequency controllers ...

When it comes to making decisions among various automation technologies to perform a task, the answer is rarely clear cut. Ultimately, the decision is often tied to the specifics of the application ...

The actions of humans, machinery, ventilation and heating systems, and road or rail traffic can cause many vibrations. Although these vibrations have little effect on occupants, equipment used in ...