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posted in September 2006
Field-oriented control optimizes industrial motors
Design How-To  
9/25/2006   Post a comment
Variable-speed drives for three-phase motors are ubiquitous components of industrial systems that help save energy and optimize performance. Traditional, scalar control techniques for variable-speed operation of three-phase electric motors offer simple implementation but limit the achievable performance. With a scalar drive, algorithm limitations can mean that meeting dynamic response specifications requires choosing a larger motor and a larger drive to complement it. That tends to drag down eff
50-nm device revs NAND race
Teardown  
9/11/2006   Post a comment
The highly competitive NAND flash market just got tighter, with the introduction of IM Flash Technologies' newest device, a 50-nanometer, 4-Gbit offering.
Camcorder sets sights on sports
Teardown  
9/4/2006   Post a comment
By eliminating the optomechanics that have dominated the video camera media paradigm for so long, Samsung has developed a flexible, multifea tured camcorder that folds up into a neat little package measuring a mere 10 x 3 x 5.8 cm, about the size of a cigarette pack. In sharp contrast to the



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Max Maxfield

Book Review: Deadly Odds by Allen Wyler
Max Maxfield
11 comments
Generally speaking, when it comes to settling down with a good book, I tend to gravitate towards science fiction and science fantasy. Having said this, I do spend a lot of time reading ...

Martin Rowe

No 2014 Punkin Chunkin, What Will You Do?
Martin Rowe
1 Comment
American Thanksgiving is next week, and while some people watch (American) football all day, the real competition on TV has become Punkin Chunkin. But there will be no Punkin Chunkin on TV ...

Rich Quinnell

Making the Grade in Industrial Design
Rich Quinnell
13 comments
As every developer knows, there are the paper specifications for a product design, and then there are the real requirements. The paper specs are dry, bland, and rigidly numeric, making ...

Martin Rowe

Book Review: Controlling Radiated Emissions by Design
Martin Rowe
1 Comment
Controlling Radiated Emissions by Design, Third Edition, by Michel Mardiguian. Contributions by Donald L. Sweeney and Roger Swanberg. List price: $89.99 (e-book), $119 (hardcover).