This repair/tutorial video by the telephone Connections Museum of Seattle features an amazing piece of electro-mechanical technology from the 1950s — the 5XB trouble recorder. Museum volunteer Sarah ...

It is 30 degrees on a Thursday, April morning, which is generous for the early spring temperatures around Minot Air Force ...

The method involves changing the triple-loop cascade control to a dual-loop control architecture with an integrated outer loop for position and speed control and an inner loop for current control.

In machine and industrial systems design, there are numerousareas in which design engineers have to make a decision about whether to usepneumatic or electro-mechanical devices. In this "Design ...