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Briefs
Information Technology

Reduced Order Modeling for Rapid Simulation of Blast Events of a Military Ground Vehicle and its Occupants

Improvised Explosive Devices (IEDs) pose a significant threat to military ground vehicles and soldiers in the field. Full-system...

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Briefs
Aerospace

Materials Design Principles for the Dynamic Fracture of Laminar Composite Structures

Crack bridging (e.g., from stitches or pins) and friction have profound and potentially very useful effects on delamination crack growth, controlling growth rates (damage levels) and the energy absorbed. However, the implications for structural design principles...

Briefs
Aerospace

Developing and Validating Statistical Cyber Defenses

Enterprise business processes are more connected than ever before, driven by the ability to share the right information with the right partners at the right time. While this...

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Briefs
Defense

Supervisory Control State Diagrams to Depict Autonomous Activity

The military seeks to enable agile and adaptive mission management and control for a team comprised of unmanned aerial vehicles (UAVs), unattended ground sensors (UGS),...

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Briefs
Information Technology

Aerodynamic Modeling of a Flapping Wing Unmanned Aerial Vehicle

The phenomenon of flapping wing flight in nature has been studied for centuries. Recently, flapping flight for unmanned aerial vehicle (UAV) applications has become of interest....

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Briefs
Information Technology

Queuing Model for Supervisory Control of Unmanned Autonomous Vehicles

One critical aspect in developing a quantitative model of unmanned autonomous vehicle (UAV) operator and system performance has been to adopt a task-centric approach to...

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Briefs
Information Technology

Real-Time, High-Fidelity Simulation of Autonomous Ground Vehicle Dynamics

Integrated simulation capabilities that are high-fidelity, fast, and have scalable architecture are essential to support autonomous vehicle design and performance...

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Briefs
Aerospace

Software for Material/Structural Characterization Across Length Scales

Synthetic and natural micro-architectures occur frequently, and multiphase functionally graded composites are becoming increasingly popular for applications requiring...

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Briefs
Information Technology

Model Development Using Accelerated Simulations of Hypersonic Flow Features

Currently, the two main computational tools used by the aerothermodynamics community to model hypersonic flows are Computational Fluid Dynamics (CFD), and the direct...

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Briefs
Information Technology

Terrain Model as an Interface for Real-Time Vehicle Dynamics Simulations

In order to enable off-road vehicle dynamics analysis simulations when traveling on soft soil, a deformable Vehicle Terrain Interface (VTI) model that interfaces with...

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Application Briefs
Defense

Intelligence Analysis System

Air Force intelligence analysts must assess an adversary’s capability to achieve their objectives, including their offensive and defensive systems, state of readiness, training, and conditions such as weather. To effectively assess these capabilities, analysts must integrate a tremendous amount of data from a...

Briefs
Imaging

Thermal-to-Visible Face Recognition

For nighttime surveillance, acquisition of visible light imagery is impractical due to the lack of illumination. Thermal imaging, which acquires mid-wave infrared or long-wave infrared radiation naturally...

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Briefs
Information Technology

Analysis of Mine Impulse Data Using Stereo-Digital Image Correlation

Improvised explosive devices (IEDs) and other traditional under-body blast weapons are a significant threat to military ground vehicle systems. Engineers and scientists...

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Briefs
Information Technology

Universal Sparse Modeling

Sparse data models, where data is assumed to be well represented as a linear combination of a few elements from a dictionary, have gained considerable attention in recent years, and their use has led to state-of-the-art results in many signal and image processing tasks. Sparse modeling calls for constructing a succinct...

Briefs
Information Technology

Two-Way, Freeform, Speech-to-Speech Translation Systems for Tactical Use

The Spoken Language Communication and Translation System for Tactical Use (TRANSTAC) is developing and fielding freeform, two-way translation systems that enable speakers of different languages to communicate with one another in real-world tactical situations without an...

Briefs
Information Technology

Web Service and Interface for Remote Electronic Device Characterization

A lightweight Web Service (WS) and a Web site interface have been developed that enable remote measurements of electronic devices as a “virtual laboratory.” Using...

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Briefs
Information Technology

Comparison of Subpixel Phase Correlation Methods for Image Registration

When working sequences of images, registration of the frames to a common point of reference is an essential prerequisite for many types of image analysis. The phase...

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Briefs
Information Technology

Evolutionary Data Mining Approach to Creating Digital Logic

When required to reverse-engineer a product, engineers often do not have design specifications for the system, and the machine may not be disassembled or invasively examined. The...

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Briefs
Information Technology

Data Fusion of Geographically Dispersed Information for Test and Evaluation

Test and evaluation relies on computer collection and manipulation of data from a myriad of sensors and sources. More computing power allows for increases in the breadth and depth of the information collected. The same computing power must assist in identifying,...

Briefs
Information Technology

360-Degree Visual Detection and Target Tracking on an Autonomous Surface Vehicle

Operation of autonomous surface vehicles (ASVs) poses a number of challenges, including vehicle survivability for long-duration missions in hazardous and...

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Products
Data Acquisition

Data Acquisition System

Ultraview Corp. (Orinda, CA) has announced AD8-1500 Series High Speed Data Acquisition (DAQ) Systems. The AD8-1500 line of PCIe data acquisition systems are capable of uninterrupted signal processing over two...

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Briefs
Information Technology

Flexible Computing Architecture for Real-Time Skin Detection

In both the Air Force and search and rescue (SAR) communities, there is a need to detect and characterize persons. Existing methods use red-green-blue (RGB) imagery, but produce high false alarm rates. New technology in multispectral skin detection is better than the existing RGB...

Briefs
Information Technology

Ballistic Filter for GPS and Accelerometer Measurements

Ballistic filtering describes the dynamic equations that can be used to form Extended Kalman Filters (EKF) for the estimation of a projectile’s trajectory. The steps associated with initialization and implementing an EKF are demonstrated through a specific task. The performance of an EKF...

Briefs
Information Technology

Considering Software Protection for Embedded Systems

Given the current trend of reprogrammable embedded devices within the Department of Defense and industry, attention needs to be refocused on the benefits or measurability of software protection applied to this domain. Modern reconfigurable embedded systems consider circuits as software and the...

Briefs
Information Technology

FPGA-Based System for Tracking Digital Information Transmitted Via Peer-to-Peer Protocols

Peer-to-peer (P2P) networking has changed the way users search for, send, and receive digital information over the Internet. Instead of relying on...

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Briefs
Information Technology

Channel Modeling for a Wireless Transmission System

A wireless transmission system provides high-quality video transmission over severely impaired wireless links between nodes that are connected within airborne networks. The target bit rate...

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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...

Briefs
Information Technology

Evolvable Approaches to Software Verification and Validation

Research was conducted to integrate and advance current techniques in compilers, hardware architectures, and security to develop novel techniques to protect against physical attacks on encrypted embedded systems. The innovation in the approach was in exploiting the power of integrated...

Briefs
Information Technology

Method for Detecting Planar Surfaces in Outdoor Urban Environments

The ability to detect and recognize buildings is important to a variety of vision applications operating in outdoor urban environments. These include landmark recognition,...

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