Articles

Roller Pinion Technology Allows High Positional Accuracy for Precision Applications

Increasingly competitive markets make efficient and accurate processes more critical than ever before. To meet the demands of manufacturers, machine builders are constantly searching for new methods to design faster, more precise, and longer-lasting systems that will facilitate increased productivity.

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All Motors are Stepping Motors

In 1938, General Electric began producing a two-phase synchronous induction motor which, at 60 Hz, ran at 75 RPM. The low speed resulted from using a different number of rotors to stator poles or teeth, which made the motor a good bi-directional control motor. This motor was used by Superior Electric Company of Bristol, CT, to run power driven autotransformers used to dim lights in auditoriums and similar applications. General Electric ceased producing this motor in the mid 1950’s due to slow sales.

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Intelligent Control Increases Motion System ROI

The economic realities of the industrial marketplace are driving machine builders and integrators to get creative and build more intelligence into their machines in order to increase productivity and lower lifecycle cost. This is done by minimizing time to communicate with the motion controller, and by setting up and optimizing the closed-loop controls that squeezes the last few unneeded time cycles from a machine operation. Therefore, by looking at how a motion controller connects, controls, and can optimize a system, the best performance per dollar invested can often be accomplished.

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Development of a Centrifugal Hydrogen Pipeline Gas Compressor

DOE has prepared a Multi-Year Research, Development, and Demonstration Plan to provide hydrogen as a viable fuel for transportation after 2020, and commissioned Concepts NREC (CN) with the project of developing a centrifugal hydrogen pipeline gas compressor. Phase I of this project has been completed and is described in this article.

Posted in: Features, Articles, Energy Efficiency, Government Initiatives, Alternative Fuels

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CAD and Virtual Prototyping Software: Continuous Development in a Challenging Economy

In our annual poll of executives at leading design and virtual prototyping software companies, we found that in difficult economic times, providing customers with easy-to-use, value-added products is even more important. We asked executives to give their views on the importance of 2D to 3D, upfront simulation, and trends that will affect the software market in 2010.

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Cooling Embedded Systems What Are The Options?

As the cooling challenges in embedded system applications have multiplied due to increased processing performance, smaller package and system footprints, and the requirement to operate in more rugged environments, new thermal management options and industry standards continue to evolve. Designers of systems for these markets, and especially those in remote or rugged, 24/7 operating environments, have always had to make difficult decisions regarding lifespan, reliability, and cost.

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The Inner Workings of Solid State Flash: SLC versus MLC

Because all solid state flash products are not created equal and flash storage is finding its way into more and more embedded computing applications, system designers should understand the critical tradeoffs between competing technologies when evaluating flash products. Most commonly, the endurance and reliability required in end-user applications help dictate the appropriate storage technology to use. Two well-known flash storage technologies, Single Level Cell (SLC) and Multi Level Cell (MLC), offer distinct advantages, depending on a user’s needs.

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