February 1999
A moment in positioning
In a motion system, magnetostriction can sense other parameters besides torque. One linear sensor, for example, uses them to find position...
Bearings on the fast track
Magnetic bearings push machine speeds to levels that seemed impossible a few years ago. Here's how they work and how they might help you someday...
Fire wire sparks new drive network
The movement to network servo drives and controls has hit a snag - few communication systems address the special needs of servo control. But a new network based on FireWire may change that...
Twenty minute tune-up
Learning how to tune a PID loop is a lot easier than you might think. Here's a self-guided course, complete with helpful examples and a free teaching aid...
Winding a Tight Web
Clutches and brakes often hold webs of material under tension as they undergo various processes. Here are some of the ways they work...
Motors and Actuators
Almost everything you need to know about a motor is contained in the speedtorque curve...
Fun With Fundamentals: Problem 222
Has Louie's luck run out? You decide according to this month's problem submitted by Richard Lewison of Pocahontas, Ia...
