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Content tagged with Government/Defense
posted in October 2011
Selecting Controllers for Brushless DC Motors
News 
10/31/2011  2 comments
Depending on the application, a designer has many variables to consider when selecting controllers for brushless DC motors.
GAO Raises Concerns About Boeing 787 Dreamliner Composite Repairs
News 
10/28/2011  24 comments
A GAO report raises concerns about the safety of repairs and maintenance of composite structures in the Boeing 787 Dreamliner.
Gadget Freak Jr.: Homebrew Jet Engines
Gadget Freak 
10/27/2011  17 comments
In an aerospace and mechanical technology trilogy, we bring you videos of homebrew jet engine projects including one made via 3D printing.
Converting Plastics to Energy Could Boost US Reserves
News 
10/26/2011  9 comments
Converting nonrecycled plastics (NRP) into energy with current technologies could reduce US coal consumption and boost domestic energy reserves.
The Card Swiper Swiped My Patience
Made by Monkeys 
10/26/2011  7 comments
The go-card readers in the Australian train stations are designed to drive you mad.
Is There a Diamond Machine in Your Future?
Mechatronics Zone 
10/21/2011  9 comments
Researchers at the Sandia Corporation have created complete machines with gears and microscopic transmissions fabricated from microelectromechanical systems (MEMS) systems.
Hot Off the Presses: Design News October Digital Issue
Wolfe's Den 
10/19/2011  Post a comment
The October 2011 digital issue of Design News is available for free download, with content on automation and control, CAD, materials and assembly, and RFID.
Dassault Deepens Composites Simulation
CAD/CAM Corner 
10/18/2011  3 comments
By acquiring Simulayt, a maker of specialized composites simulation software, Dassault is trying to differentiate its composites story around bi-directional integration among design, analysis, and manufacturing.
Innovation Spurs Aerospace's Next Generation
Wolfe's Den 
10/14/2011  8 comments
Boeing’s 787 Dreamliner isn’t a new airplane so much as an entirely new platform.
New Horizons for RFID
Automotive News 
10/12/2011  8 comments
Better chips and new standards are combining to place RFID in applications that no one dreamed of three years ago.
Smart Grid's Massive, Multidisciplinary Tech Challenge
News 
10/11/2011  2 comments
Communications integration; advanced control, sensing, metering and metrics; and a human interface methodology are still on the smart grid architects’ to-do list.
The Case of the Crazy Antenna
Sherlock Ohms 
10/11/2011  8 comments
When radio communications were patchy, it was time to check the antennas.
Why Did You Become an Engineer?
Wolfe's Den 
10/7/2011  30 comments
Design News asked participants in the LinkedIn System & Product Design Engineering group why they became engineers.
'Trusted' Security Effort Could Protect Factory, Embedded Networks
Guest Blogs 
10/6/2011  5 comments
Security in the factory and automation sectors could get a big boost if a new industry working group succeeds in creating authentication and data security standards for the embedded arena.
The Case of the Stuttering Tape Drive
Sherlock Ohms 
10/5/2011  10 comments
When we moved a tape deck into a different part of our building, we started running into a host of problems with the equipment. Call Sherlock Ohms.
Stealth Material Cloaks Military Vehicles
Guest Blogs 
10/4/2011  16 comments
Infrared-camoflauging tiles developed by engineers at BAE Systems in Sweden can alter military vehicles' infrared (IR) signatures so that troop carriers could appear to be passenger cars or even blend into the background.




Partner Zone
Latest Analysis
A Frost & Sullivan study finds that increased cyber attacks are prompting a flurry of innovative protection tools.
Devices and interconnected systems are finding a foothold not only in our homes but in mainstream organizations. Here are three tips to mitigate the risk.
What makes this movie stand out from the typical high school sports story is that the teenagers are undocumented immigrants, and the big game is a NASA-sponsored marine robotics competition. Like many other Hollywood movies, however, Spare Parts only tells part of the story. What the film shows -- and doesn’t show -- raises important issues affecting STEM education in the US.
Instead of sifting through huge amounts of technical data looking for answers to assembly problems, engineers can now benefit from 3M's new initiative -- 3M Assembly Solutions. The company has organized its wealth of adhesive and tape solutions into six typical application areas, making it easier to find the best products to solve their real-world assembly and bonding problems.
Load dump occurs when a discharged battery is disconnected while the alternator is generating current and other loads remain on the alternator circuit. If left alone, the electrical spikes and transients will be transmitted along the power line, leading to malfunctions in individual electronics/sensors or permanent damage to the vehicle’s electronic system. Bottom line: An uncontrolled load dump threatens the overall safety and reliability of the vehicle.
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