May 1999
Slotless motors smooth the way
Eliminating the teeth on brushless motors removes a source of cogging, improving efficiency, torque ripple, and precision...
No stopping brakes now
From machine tools, to off-highway vehicles and oil rigs, brake designers face the ongoing challenges of developing devices that are faster and shorter and that deliver more torque in less space....
Machines chat on-line
With integrated web-server technology, motion devices are getting in on the act of sharing factory related information over the Internet...
Turning the corner
Right-angle speed reducers team up with servomotors to feed materials...
Launching into linear motors
It takes a strong supporting staff, including good mechanical design and all-digital amplifiers, to make linear motors shine...
When are we going to learn?
Jarring news always has a profound effect on my memory. I can clearly picture, for example, where I was and what I was doing when I learned the Space Shuttle Challenger...
Fun With Fundamentals: Problem 225
Will this engineer's crimes of passion be exposed? John Cox of Twin Falls, Idaho gives us the grisly details...
Tuning out lag
It may sound counter-intuitive, but control loops must have negative feedback. Consider a PI controller connected...
MSD 101: Modeling and simulation
Motor models can be a great help when it comes to designing the control portion of a motion system...
