Brushless DC Motors

BEI Kimco Magnetics (Vista, CA) has developed new frameless brushless DC motors in multiple designs for a variety of applications including robots and remotely piloted military vehicles. These new motors provide operational efficiencies in excess of 90% by utilizing proprietary low magnetic circuit design techniques to extend battery life. Other important features include a frameless motor design composed of two pieces a rotor and stator. This design makes it easy to integrate into a customer’s existing assembly, minimizing the need for extra components and reducing overall weight. Motors range up to 20" in O.D. with torques in excess of 50Nm and operational speeds beyond 70K rpm.

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Posted in: Products, Defense, Manufacturing & Prototyping

Synthetic Vision Guidance Systems Giving 2D data a 3D perspective

Synthetic Vision (SV) displays replace the pilot’s traditional 2D primary flight display (PFD) with a 3D perspective view display. The 3D SV perspective display is rendered from an onboard terrain database, e.g., one derived from the Enhanced Ground Proximity Warning System (EGPWS) to create a virtual reality- like image. A comparison of a traditional 2D PFD with a 3D SV PFD is shown in Figure 1.

Posted in: Articles, Aerospace, Defense, Navigation and guidance systems, Displays

The Conundrum of DO-254 Compliance and COTS IP

A tornado is blowing through a specific area of the semiconductor market. The market for Intellectual Property (or IP, also known as IP cores or IP blocks) is roughly $2.5B and growing at twice the rate of the overall semiconductor market. As semiconductor platforms offer a continually increasing silicon playing field, designers are struggling to fully utilize the design real estate now available to them. Traditional design techniques simply can’t keep pace. This is where IP fits in. IP provides pre-designed building blocks that can be connected relatively quickly and easily to create complex, custom semiconductor designs. Thus, IP is a critical bridge between designers’ creative productivity and the markets’ ever increasing demands for cheaper, smaller, lighter, lower-power, more reliable, full-featured designs.

Posted in: Articles, Aerospace, Defense, Design processes, Semiconductors

Let the Good Times Continue to Roll

It is hard to imagine just how radical the change in fortunes for the world’s major commercial aerospace manufacturers has been in the last few years. Just ten years ago the smart money in aerospace pointed to the defense sector as the best source of future profitability. But just as this was reaching a peak, the full impact of a near meltdown in global financial markets brought home to Western governments that defense budgets couldn’t just keep on expanding and a new era of military program cuts began.

Posted in: Articles, Aeronautics, Aerospace, Defense, Commercial aircraft

Big Data, Aircraft, and a Better Future

The hype phrase today is “Big Data.” It is a phrase Mark Bünger, Research Director for Lux Research, believes can have a number of definitions depending on who is doing the defining. Bünger was the lead analyst on a report that Lux published in April 2015 that surveyed both the technology as it is today and how various industries are adapting to the opportunities—and perils—in trying to exploit it.

Posted in: Articles, Aeronautics, Aerospace, Defense, Manufacturing & Prototyping, Data management, Aircraft

System Generates and Simulates Skin-Echo Pulses for Radar Testing

One of the methods for radar testing is the simulation of an environment where there are dynamic or static objects that are scanned by the radar under test. In particular, simulation implemented by MPG Instruments (Rome, Italy) generates skin-echo pulses coming from radar that transmits a defined pattern stream. The system simulates an object in the scanning area of the radar and is hit by a pulse pattern stream. The X-band radar must be tested at a frequency from 7 GHz to 12.5 GHz, and K-band between 12 GHz and 40 GHz.

Posted in: Articles, Aerospace, Defense, RF & Microwave Electronics, Simulation and modeling, Radar, Test procedures

Tourniquet Training System

Charles River Analytics
Cambridge, MA

The Department of Defense recently awarded Charles River Analytics, a developer of intelligent systems and robotic platforms, a follow-on contract for Tourniquet Master Training (TMT). The TMT course helps warfighters provide immediate aid by halting the bleeding of soldiers' battlefield wounds.

Posted in: Application Briefs, Aerospace, Defense, Medical, health, and wellness

Hybrid-Electric Military Motorcycle

Logos Technologies
Fairfax, VA

In partnership with the San Francisco, CA-based motorcycle maker Alta Motors, Logos Technologies has received a Phase II Small Business Innovation Research (SBIR) award from the Defense Advanced Research Projects Agency (DARPA) to continue development of the SilentHawk military motorcycle.

Posted in: Application Briefs, Aerospace, Defense, Hybrid electric vehicles, Military vehicles and equipment, Two or three wheeled vehicles

Electrocoat Primer System

PPG Industries
Pittsburgh, PA

PPG Industries’ aerospace coatings group has installed an electrocoat primer system at the US Coast Guard Aviation Logistics Center in Elizabeth City, North Carolina. The technology, custom-designed to protect the facility's aerospace parts, has reduced the time needed for primer application, processing, and full-cure.

Posted in: Application Briefs, Aerospace, Defense, Aircraft structures, Coatings Colorants and Finishes, Corrosion, Parts

Game-Based Naval Training

Office of Naval Research
Arlington, VA

To improve the ability to detect and defeat adversary radars and anti-ship missiles, the Office of Naval Research (ONR) partnered with the MIT’s Lincoln Laboratory and games experts Metateq and PipeWorks Studios to develop Strike Group Defender (SGD), a multiplayer training program.

Posted in: Application Briefs, Aerospace, Defense, Computer software / hardware, Marine vehicles and equipment, Military vehicles and equipment, Missiles