Motion System Design

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20 Minute tune-up: Forward march
This month’s Tune-Up column, which concludes a three-part series on position loops, addresses feed-forward gains
Fun with Fundamentals: Problem 219
Sinking your teeth into a situation doesn't always get you up the hill, as this month's problem by Wesley Richardson of Lexington, Ky., demonstrates
Fun with Fundamentals: Problem 170
Snap judgement and Solution to Problem 169. Spare the rod and you can end up spoiling the whole show, as this month's problem by E.A. Engebretson of St. Paul, Minn., demonstrates
Report clears up bearing confusion
The sheer diversity of linear bearing products can be confusing to those who want to use the products in their machine designs
In Response
Bargain shopping I read with interest the “Good Buys” editorial (October 2004), and I must share with you two stories that members of my family had with Wal-Mart
New twist on precision spring forming
Precision spring manufacturing has never been exact because of the inconsistencies in the wire feed stock and normal wear that occurs in the forming tool
Electric automation event headed to Chicago
A number of companies have already signed up to take part in SPS Electric Automation America, scheduled for May 2005 at the Donald E. Stephens Convention Center in Rosemont, Ill
In Response
I was enjoying the useful information in August’s Motion System Design until my reading session was ruined by your In the Loop column
Bearings roll with two-story truck
At 24 ft high, 29 ft wide, and 47 ft long, Liebherr’s T282 B is the world’s largest mining truck
Packing in automation
Packaging machinery is one of the highest growth markets for automation products in Europe, according to a new report from IMS Research
Belt proves it’s no drag
Each quarter-mile run, National Hot Rod Association drag racing teams gamble on engine setups
Fasteners in space
When the Cassini-Huygens spacecraft entered Saturn’s orbit this summer, it had to be able to handle the vibration, shock, and temperature extremes of a rocket launc
Taking bombs away
An Ordnance Disposal Robot (ODR) is being used in Iraq to secure and transport hazardous, dangerous, or suspicious materials to places where they can be safely disarmed or destroyed
Robotic metal detector may save lives
The United Nations estimates there are more than 100 million land mines worldwide, and that more than 2,000 people are killed or maimed by explosions each month
Under-the-ocean motion
Whether exploring sacred underwater caves in the Yucatan or pursuing elusive Arctic sharks, tiny ROVs, or remotely operated vehicles, are reaching new depths. But VideoRay LLC, Exton, Pa., holds the distinction of making the world’s smallest ROV
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