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Briefs Information Technology
Optimized Robust Adaptive Networks in Supervisory Control and Data Acquisition Systems
The Electric Power and Communica - tion Synchronizing Simulator (EPOCHS) system could provide great benefits to private industry and Department of Defense (DoD) power systems infrastructure by allowing simultaneous, synchronous simulation of communication and...
Articles Photonics/Optics
Fiber Interferometry for Testing Military Avionics
Fiber-optic networks have benefited from nearly 20 years of continuous expansion (notwithstanding the brief, yet surprisingly quiet period from 2002 to 2005). For terrestrial networking, this...
Articles RF & Microwave Electronics
Synthetic Aperture Radar Image Recognition
Synthetic radar image recognition and classification are areas of interest for both the military and civilian communities. These tasks have significance in automatic target recognition, air traffic...
Briefs Electronics & Computers
Implementing On-Board Cloud Detection on a Reconfigurable Computer
Reconfigurable Computers (RCs) combine traditional microprocessors with field programmable gate arrays (FPGAs), and are characterized by lower form/wrap factors compared to...
Articles RF & Microwave Electronics
Prognostic Health Management of an RF System Using GPS
Prognostic health management (PHM) of electronic systems presents challenges that traditionally were not worth the cost of pursuit. Recent changes in weapons platform acquisition and...
Briefs Electronics & Computers
Fuzzy System for Fault Diagnostics in Power Electronics-Based Brake-by-Wire System
Research in fuzzy diagnostics of brake-by-wire systems focuses on the power electronics switches, since they are often considered to be the weakest link in the...
Briefs Physical Sciences
Characterization of a MEMS Directional Sound Sensor
There is a wide range of potential military applications in which ambiguity in bearing occurs with respect to sound. For example, autonomous unmanned aerial vehicles (UAVs) could employ a...
Briefs Electronics & Computers
Use of a Heat Pipe to Cool Aircraft Electronics
The first steps have been taken in a continuing project to study the suitability of dissipating heat from electronic and electric-actuator equipment aboard an aircraft by using a loop heat pipe, containing water as the working fluid, that delivers the heat to the exterior aircraft skin. The first...
Articles Electronics & Computers
Thermal Trends and Improvements for Rugged COTS Cards
Thermal management of rugged COTS (commercial off-the-shelf) cards destined for defense applications has always been a challenge due to the high operating temperatures and other harsh...
Briefs Information Technology
Some Advances in Digital-Image Forensics
A program of research in the forensic analysis of digital images has yielded several proposed techniques for automated image-data processing to answer questions concerning the source, authenticity, and integrity of a given image or set of images. The need for such techniques arises because the ease with...
Briefs Materials
Friction Stir Welding of Aerospace Materials
AFRL scientists are studying a unique metal joining process— friction stir welding (FSW)—for building major structural assemblies. FSW is a solid-state welding process that forces a spinning tool...
Briefs Electronics & Computers
Textile Capacitor
The Air Force (AF) is evolving from a Cold War-era force with a large, containment- focused infrastructure to a smaller, more responsive and affordable Air and Space Expeditionary Force. In support of this transformation, AFRL...
Briefs Mechanical & Fluid Systems
The Propulsion - Safety, Affordability, and Readiness Program
Propulsion - Safety, Affordability, and Readiness (P-SAR) is a new and unique program effort intended to achieve common engine sustainment goals across the Army, Navy, and Air Force...
Briefs Aerospace
AFRL Supports C-5A Evaluation Program
AFRL materials integrity experts are collaborating with the Aeronautical Systems Center's C-5 Systems Group, Warner Robins Air Logistics Center (WR-ALC), and Air Mobility Command (AMC) in an effort to...
Briefs Information Technology
Developing Condition-Based Maintenance
Like any manufacturing equipment, semiconductor fabrication systems have a finite lifetime. Technicians normally perform maintenance on these hardware systems according to preset schedules and regardless...
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Optimizing Production Processes with the Virtual Twin
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EV and Battery Thermal Management Strategies
Manufacturing & Prototyping
How Packet Digital Is Scaling Domestic Drone Battery Manufacturing
Automotive
Advancements in Zinc Die Casting Technology & Alloys for Next-Generation...
Automotive
Vehicle Test with R-444A: Better-Performing R-1234yf Direct Replacement for...
Test & Measurement
Vibroacoustic and Shock Analysis for Aerospace and Defense Applications