System Could Detect Concealed Person-Borne Bombs at a Distance

The recent tragic events at the Boston Marathon illustrate the growing and critical need for the detection of person-borne improvised explosive devices (PBIEDS). Such systems, in fact, are currently under development under the guidance and supervision of the Department of Homeland Security. These sophisticated next-generation radar systems are being designed to detect bombers at long distances, in crowded areas, and even at non-fixed locations.

Posted in: Articles, RFM Catchall, Aerospace, Radar, Security systems, Sensors and actuators

CompactPCI Steps Into the Future

CompactPCI Serial has proven to be a beneficial technology upgrade for a number of embedded systems designers accustomed to working with the legacy CompactPCI platform. Not only does CompactPCI Serial bring modern serial interfaces and a ruggedized connector scheme into play, but it also provides significant cost advantages while adhering to many known design principles, lessening a developer’s need to learn a new and complex technology.

Posted in: Articles, Articles, Electronics & Computers, CAD / CAM / CAE, Architecture, Embedded software

The Evolution of AdvancedTCA: From telecommunications to military, aerospace and security

The Advanced Telecom Computing Architecture (AdvancedTCA® or ATCA®) is a series of open standard computing platform specifications originally ratified in 2002 to meet the needs of carrier grade communications equipment, primarily for core network telecommunications applications. In the 11 years since ATCA products first appeared on the market, there have been numerous advances in the governing standard, the products available, and the products and applications that are driving its adoption and growth.

Posted in: Articles, Articles, Embedded Technology, Board-Level Electronics, Electronics & Computers, Architecture, Telecommunications, Defense industry

Armor Kits for Heavy Trucks

Over the last several years, the Army has initiated and implemented a Long Term Armor Strategy (LTAS). The LTAS provides modular armor protection for vehicles that vary dependent upon threat levels. The B-Kit consists of both transparent armor and opaque armor and provides a higher level of protection for the troops. They can be readily stored, applied, or removed by troops in the field per mission requirements.

Posted in: Application Briefs, Operator protective structures, Heavy trucks, Military vehicles and equipment

F-16 Full Mission Trainers

L-3 Communications announced that its Link Simulation & Training (L-3 Link) division has been awarded a contract from the U.S. Air Force Life Cycle Management Center at Wright- Patterson Air Force Base near Dayton, Ohio. The company will build two F-16 Block 52 Full Mission Trainers (FMTs) for the Iraqi Air Force.

Posted in: Application Briefs, Computer simulation, Education, Suppliers, Military aircraft

High-Resolution, Measurement-Based, Phase-Resolved Prediction of Ocean Wavefields

Given remote and direct physical measurements of a realistic ocean wavefield, the goal of this work was to obtain a high-resolution description of the wavefield by integrating the measurements with phase-resolved wave prediction models including realistic environmental effects such as wind forcing and wave breaking dissipation. The measurements necessary for achieving this reconstruction were guided, and the validity, accuracy, and limitations of such wavefield reconstructions were addressed.

Posted in: Briefs, Physical Sciences, Measurements, Simulation and modeling, Water

Measuring Impact Damage to Toughened CFRP Laminates with Time Domain Reflectometry

Laminated Carbon Fiber Reinforced Polymer (CFRP) composites are very effective in weight saving in aeronautical structural components. For these laminated CFRP structures, it is difficult to detect damage such as delamination, matrix cracks, and local fiber breakages caused by low-velocity impact loading because these damages are difficult to detect from the outside of the structure. This difficulty of inspection of the laminated CFRP structures demands the development of automatic monitoring or damage detection systems.

Posted in: Briefs, Physical Sciences, Measurements, Composite materials, Lightweight materials

Testing Mechanical Properties of Polymer-Based Multi- Phase Particulate Composites

Polymer composites comprised of metallic particles distributed throughout a contiguous polymer matrix can often be modified to produce advanced composites that exhibit multifunctional characteristics. The properties of the particulate composites often depend on varying particle size, loading fractions, particle type, and the adhesion between the particulate and the matrix. Studies have shown that particle size, shape, and concentration, and properties of the constituents can affect mechanical properties. This work compared aluminum and nickel particles in PMMA thermoplastic prepared by injection molding, with the same particles in epoxy prepared in a cast-cure process.

Posted in: Briefs, Physical Sciences, Composite materials, Test procedures

Humanlike Articulated Robotic Headform for Respirator Fit Testing

The testing of individual respiratory protection (IRP) devices is now accomplished with panels of human wearers. Historical at tempts to simulate the human face and head have been unsuccessful for a variety of reasons that include imprecision in reproduction of facial dimensions and unrepresentative textures of the surfaces applied to headforms.

Posted in: Briefs, Physical Sciences, Human factors, Medical equipment and supplies, Robotics

3U VPX Ethernet Switches and Routers

Extreme Engineering Solutions, Inc. (X-ES) (Middleton, WI) has introduced the XChange3013 and XChange3018 3U VPX switches and routers. The XChange3018 is the first VPX Ethernet switch to support 10 Gigabit Ethernet using the 10GBASE-T protocol, eliminating the need for 10 Gigabit optical transceivers. The XChange3013 and XChange3018 both deliver full wire speed across all of their ports and jumbo packets up to 13 KB. They also support IPv6, Quality of Service (QoS), Energy Efficient Ethernet (EEE), and a comprehensive set of IETF RFCs and IEEE protocols. The XChange3013 and XChange3018 include an XMC site that is compatible with the XPedite5205, which implements Cisco IOS IP Routing capabilities and provides a complete Embedded Services Router (ESR) solution.

Posted in: Products, Products, Electronics & Computers